Alternatively, you can make the ports yourself using RTV (room temperature vulcanising) silicone. AI Score. Feb 7, 2023 Apply a blob of RTV silicone. 100 MONEY BACK GUARANTEE - We want you to be 100 Satisfied with your purchase. Chemical inertness, non-corrosivity, thermal stability, low levels of toxicity and high lubricity make GP-10(0. Alternatively, you can make the ports yourself using RTV (room temperature vulcanising) silicone. This silicone can withstand the high temperatures of an autoclave or pressure cooker. Tube, Clear, 1-Pack 1,621 1188 (1. Self-Publish with Us;. (A) A silicone sample started off in the shape of a dog bone. They are simple. org (A) A silicone sample started off in the shape of a dog bone. (It&x27;s best to drill a smaller 14 hole first, then expand to the larger bit size. (B) The sample was cut into pieces and rearranged in a dog mold. Benefits Extremely low viscosity High inherent tack High flexibility Self-healing capacity Transparency in the visible light spectrum Excellent damping behavior Stability over a wide temperature range (50 C to 200 C). RTV silicone is a liquid silicone compound that cures at room temperature to form a flexible rubber. All products can be fully automatically processed in mixing and metering units, and are ideal for efficient mass production. Once set, it is heat and water resistant, and reliably self-healing. General purpose ELASTOSIL RT 402 RTV-2 condensation cure (Base Catalyst 1003) ELASTOSIL RT 563 RTV-2 condensation cure (Base Catalyst 1004) ELASTOSIL RT K RTV-2 condensation cure (Base Catalyst 1004) ELASTOSIL ELASTOSIL RT 604 RTV-2 platinum cure (AB 91) X Crystal clear X 800 90 min 25 1. Mar 18, 2022 RTV silicone sealant ; Paper; Instructions. . That&39;s what I do and my lids usually hold up for dozens of uses without needing repairs. 48Ounce) Save more with Subscribe & Save. Price Per Each. Automotive silicone is usually called RTV on the package but it dries more brittle. &0183;&32;Momentive Perfomance Materials offers a comprehensive portfolio of RTV silicone solutions to help meet a broad array of handling and performance needs in electronic components and assemblies. Excellent thermal stability (butyl rubber) ----- can be sterilised by steam under high pressure. Its solid. Buy J-B Weld 32325 Ultimate Copper High Temperature RTV Silicone Gasket Maker and Sealant - 3 oz. Then using some RTV silicone you apply a dab to both sides. ago You cover the lid with foil before steam bath Pop1Pop2 Ive never foiled my lids. General purpose ELASTOSIL RT 402 RTV-2 condensation cure (Base Catalyst 1003) ELASTOSIL RT 563 RTV-2 condensation cure (Base Catalyst 1004) ELASTOSIL RT K RTV-2 condensation cure (Base Catalyst 1004) ELASTOSIL ELASTOSIL RT 604 RTV-2 platinum cure (AB 91) X Crystal clear X 800 90 min 25 1. SS-7001 is a 1-part silicone RTV developed for sealing and coating applications. Alternatively, you can make the ports yourself using RTV (room temperature vulcanising) silicone. APEL High Performance RTV High-Temp Silicone Gasket Maker and Sealant Heat Resistant from 104F to 572F Red, 10. 500 psi or greater. photo of lid with self-healing port and silicon around the port. Apply a blob of RTV silicone. Ounce) - 2 Pack 145 1150 - 1399 FREE delivery Red Devil 0826 100 Silicone Sealant Architectural Grade, Silicone Architectural Grade RTV Sealant, A Water-Resistant Adhesive for Interior and Exterior Use, 9. reported the first self-healing polymeric material based on microencapsulated dicyclopentadiene and first-generation Grubbs catalyst,1 new chemistries have been reported. 14Fl Oz)10. &0183;&32;RTV-1 Silicone Rubber. Tube, Clear, 1-Pack 4. 5 out of 5 stars69. Once set, it is heat and water resistant, and reliably self-healing. Heavy duty self-healing injection port wdeep well. American Sealants Inc. Gourmet Mushroom Supply Red Hi-Temp RTV Silicone - 3 ounce tube of Red RTV Hi-Temp Silicone. (B) The sample was cut into pieces and rearranged in a dog mold. Bags are then pressure cooked at 17 PSI for 2. 35oz Tube 11,012 Permatex 81160 High-Temp Red RTV Silicone Gasket, 3 oz 5,411 649 - 2241 Permatex Clear RTV Silicone Adhesive Sealants, 3 oz Tube, Clear 37 799 (2. So, it&39;s a available right now about anywhere. Once dry, carefully peel off the paper. Curing of thick layers possible; Flowable, self-leveling or non-sag grades are available . Keeping your work area sterile can be done by using alcohol as a hand sanitizer between operations. 8 oz. 745 (2. Whether its for jar lids or spawn bags they take the guesswork out of inoculations. Alternatively, you can make the ports yourself using RTV (room temperature vulcanising) silicone. 8 FL. 8 oz. 5 out of 5 stars 1,622. J-B Weld Clear All-Purpose RTV Silicone Sealant and Adhesive J-B Weld Clear Silicone Sealant & Adhesive is a general purpose sealant adhesive, RTV (Room Temperature ulcanized) Silicone designed for use in household or mechanical assembly applications. 35oz Tube 11,012 Permatex 81160 High-Temp Red RTV Silicone Gasket, 3 oz 5,411 649 - 2241 Permatex Clear RTV Silicone Adhesive Sealants, 3 oz Tube, Clear 37 799 (2. Feb 7, 2023 Permatex 85913 Clear RTV Silicone Adhesive Sealant, 7. 13mm silicone rubber stopper for Injection vials. According to the aircraft manufacturers, the shelf life of most RTV's can be extended under certain circumstances. Silicone rubber is an elastomer (rubber-like material) composed of siliconeitself a. 2 microns, the highest level of filtration available. ASI 505 has excellent unprimed adhesion to a very wide range of substrates, including metals, glass. It is self-healing, meaning that it will naturally form an airtight seal after being punctured with a needle. &0183;&32;Silicone Adhesive and Sealant. January 30, 2012 report Scientists rediscover self-healing silicone mechanism from the 1950s by Lisa Zyga , Phys. RTV silicone; References Further reading. All products can be fully automatically processed in mixing and metering units, and are ideal for efficient mass production. 0 out of 5 stars90 Save 45 5. Once dry, carefully peel off the paper. This silicone port site is self-healing and this whole jar and lid setup is pressure cooker safe. Adhesion can range from controlled adhesion to self-adhesion, the Shore A hardness can be modulated from 18 to 60. (B) The sample was cut into pieces and rearranged in a dog mold. Flowable adhesive compliant with FDA, USDA and NSF. Industrial Self-Leveling Silicone Request a quote ASI 505 Industrial Self-Leveling Silicone Sealant is a one-component, RTV (room temperature vulcanizing), free-flowing sealant designed for a variety of potting, coating and sealing applications and cures to form a tough high modulus rubber. SS-6002S is a 1-part silicone RTV developed for conformal coating and seam filling applications. When cured, this heat resistant silicone adhesive results in a very durable silicone. Silicone gels are two-component, addition (platinum) cure chemistry and most are designed with a one-to-one mix ratio system. Primer Required For Use On. RTV is quick, easy & inexpensive. How To Make A Self Healing Injector Port This is an easy and fast way to make a self healing injector port on our sterilized grain bags. UL listed. These are for any wide-mouth canning jars. 4) Exports to 138 countries since 2006. Permatex &174; Optimum Black RTV Silicone Gasket Maker, 9. This Permatex High-Temp Red RTV Silicone Gasket - Part 81160 can be used on valve covers, oil pans, timing covers, and thermostat housings. SILA-SEAL Professional Grade Silicone Sealants are non-slumping, one-part 100 silicone rubber acetoxy sealants that cure to a tough, rubbery solid upon exposure to moisture in the air (RTV-room temperature vulcanizing) with long-term flexibility and durability. May 1, 2020 In this study, a transparent and hydrolysis-resistant silicone elastomer with self-healability, reprocessability and 3D printability is facilely fabricated by successively thiol-ene UV-curing between thiol and vinyl functionalized polysiloxanes, and thermocuring between carboxyl and amido functionalized polysiloxanes. Rosin modified aminopropyltriethoxysilane (RA) was prepared via an epoxide ring opening reaction of rosin based glycidyl ester with aminopropyltriethoxysilane. Ensure that the silicone doesn&x27;t touch anything put paper, or it may stick to it as it dries. ASI 505 Industrial Self-Leveling Silicone Sealant is a one-component, RTV (room temperature vulcanizing), free-flowing sealant designed for a variety of potting, coating and sealing applications and cures to form a tough high modulus rubber. Electrical insulation; Formed- in-place gaskets; Assembly applications; Sealing and bonding. Sterilized Grain Bag RTV Silicone Gasket Maker Alcohol Pad or Equivalent Prepare Your Grain Bag First you must clean the inoculation point on the sterilized spawn bag. Step One (constructing the injection port) - Drill two &194;&188; inch holes in your jar lids. Hong Ye only produce and provide RTV2 silicone rubber, it's liquid silicone. . WACKER SilGel comprises highly transparent, silicone rubber compounds that cure to form silicone gels. Place your piece of micropore tape over the bag where you want to place the SHIP (Self Healing Injection Port) and make a roughly 1 tall cone straight up. They are simple. Hi-Temp RTV Red Silicone Sale 8. SS-6002S offers unprimed adhesion to many metals and plastics. Sterilized Grain Bag · RTV Silicone Gasket Maker . Our Price 90. Ounce) 3,902. 00 out of 5. For example; mine is rated up to 180&176;C, but you have ones that go all the way up to. Be careful not to get it on your hands or any surfaces. Free In-Store or Curbside Pick Up. 12 X 2 Lb. Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, Sensor Safe And Non-Corrosive, For High Flex And Oil Resistant Applications 3. Apply a blob of RTV silicone. J-B Weld 31310 All-Purpose RTV Silicone Sealant and Adhesive - 3 oz. (A) A silicone sample started off in the shape of a dog bone. They stand out due to their low viscosity and strong inherent tack, often rendering a primer or adhesion promoter superfluous. 45um PTFE . 588 RTV silicone gasket can replace traditional cork pads, oil felt pads, paper pads, rubber pads, and asbestos pads. We are reviewing the shelf life of chemicals in general and RTV Silicone sealants in particular. 20 de jun. One centre hole for gas exchange, and 4 towards the outer rim for your injection sites. Feb 7, 2023 Apply a blob of RTV silicone. "> Self healing injection port silicone. Once set, it is heat and water resistant, and reliably self-healing. Full sized tubes in a caulking gun are easier to make big smooth blobs with than the little hand held tubes. All products have passed selected ISO 10993 and USP Class VI tests, and so also meet the high safety standards. They are simple. DIY Self Healing Injection Port Spawn Bags. Allow more time for cold or very dry conditions. It&39;s better to order some heavier filter material, like the stuff on grow bags, and glue that on with the RTV. It captures fine details in casting and molding. 78 (2. 95 7. RoHS (Restriction of. Sterilized Grain Bag RTV Silicone Gasket Maker Alcohol Pad or Equivalent Prepare Your Grain Bag First you must clean the inoculation point on the sterilized spawn bag. oil pans, transmissions, etc. Read more. Specially formulated and translucent in colour for use with most materials such as ceramics, steel, aluminium, concrete, brick, glass, most painted surfaces and most plastics to form a flexible weatherproof seal. Drill a 1532 or 12 hole in a canning lid and insert port snugly into the hole. A faster way to use rtv high temperature silicone gasket maker to make self-healing injection ports. RTV is quick, easy & inexpensive. Ounce) - 2 Pack 145 1150 - 1399 FREE delivery Red Devil 0826 100 Silicone Sealant Architectural Grade, Silicone Architectural Grade RTV Sealant, A Water-Resistant Adhesive for Interior and Exterior Use, 9. When cured, this heat resistant silicone adhesive results in a very durable silicone. Description Loctite&174; Superflex&174; Construction Yellow RTV Silicone Adhesive Sealant cures to a tough, flexible rubber. Pre-Clean the bag with an alcohol pad or isopropyl alcohol. Am I missing something 5 comments 100 Upvoted Sort by best. 8oz 4. Once set, it is heat and water resistant, and reliably self-healing. KSh 700. Silicone adhesives can take as little as 24 hours to cure, but it may also take up to several. It&39;s ideal for emergency hose repair, non-slip grip surface for tools, electrical splices and connections, serves as a temporary leak sealer, and does not leave a sticky residue after removal. These ports are used to allow liquid culture or spore syringes to be . 9 out of 5 stars18 14. 588 RTV silicone gasket can replace traditional cork pads, oil felt pads, paper pads, rubber pads, and asbestos pads. (RTV) silicone, one damage point will not cure the entire self-healing layer since the surrounding Kapton. The silicone manufacturers generally set a 5-7-day cure schedule for RTVs before they can test the physical properties in a thick slab of material, and thats with the condition of 40-60. After letting the Mold Max 10 silicone cure at room. SATOP high temperature oxime type neutral rtv silicone sealant-8703. Alternatively, you can make the ports yourself using RTV (room temperature vulcanising) silicone. Scientists rediscover self-healing silicone mechanism from the 1950s. (B) The sample was cut into pieces and rearranged in a dog mold. Next throw a glob over your injection port. 2 microns, the highest level of filtration available. 14Fl Oz)10. The injection port can be self made from RTV silicone, or you can use a pre-made self-healing injection port. Buy J-B Weld 32325 Ultimate Copper High Temperature RTV Silicone Gasket Maker and Sealant - 3 oz. Silicone injection ports to go into jar lids. 12 reviews for Self-healing Injection Ports. Feb 7, 2023 Apply a blob of RTV silicone. The elastomer resists weathering, ozone, moisture, UV and high temperatures. org (A) A silicone sample started off in the shape of a dog bone. The mold will have great flexibility & Strength,it was easy demolding. These self healing ports are made from a special mix of high temp silicone and EPDM foam rubber and a high temp 3M adhesive backing that will stick and hold up to autoclave temperatures. Only 5 left in stock (more on the way). 10000 Pieces (Min. Doing some research on self healing injection ports, do I go for RTV Silicone or a rubber stopper style pros cons Durability. The self-healing rubber stopper ---- creates an excellent solid seal. RTV Silicone can be used as an adhesive or sealant for a wide range of applications including gasket dressings, window seams, gutters, pumps, and many more. RTV Shelf Life. RTV silicone is a liquid silicone compound that cures at room temperature to form a flexible rubber. Next throw a glob over your injection port. Rosin modified aminopropyltriethoxysilane (RA) was prepared via an epoxide ring opening reaction of rosin based glycidyl ester with aminopropyltriethoxysilane. The lower the maximum temperature for the silicone , the softer is stays meaning it will survive more stabs with a syringe and the cheaper it is. Sold by shroomabilityllc in North Fort Myers. This type of silicone can be applied from a bottle and left to set at room temperature. UL listed. &0183;&32;Carefully place the lid to one side to dry. Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, Sensor Safe And Non-Corrosive, For High Flex And Oil Resistant Applications 3. This is an easy and fast way to make a self healing injector port on our sterilized grain bags. 95 Add to cart; Permatex High-Temp Red RTV Silicone Gasket Maker - 75152 8. It maintains rubber properties over a wide temperature range (-60 C to 300 C) and. I usually go around the edge of the silicone after doing so with a flat knife or even spoon, to ensure there are no gaps between the silicone, and filter. UL listed. 0 out of 5 stars90 Save 45 5. 100 Autoclavable ;. 00 (25. PowerBead Can. Many mushroom growers will also use self-healing injection ports in synthetic filter discs. All ranking arrangements are automatically AI-driven according to product buyer reviews. 71 AS12SL-NC Self-Leveling Silicone RTV Adhesive Coating From 9. Novel synthesis of a self-healing Ce based eco-. Add to Compare. Packed microgels provide a self-healing environment, allowing a printing nozzle to repeatedly transverse the same region while simultaneously supporting printed structures. Due to their unique and robust chemical. 5 out of 5 stars 1,621. Silicone sealants provide excellent joint movement capabilities (ASTM C920, Classes 25, 35, 50 and 10050) up to 50 percent. 04, Flash Point 250 Degrees F, Full Cure 24 hr, Begins to Harden 10 to 20 min, Substrates Metal, . 04 over 72 hours of testing, ultra-low-outgassing silicones demonstrated their advantages by having CVCM values of 0. It&39;s better to order some heavier filter material, like the stuff on grow bags, and glue that on with the RTV. Silicone rubber is an elastomer (rubber-like material) composed of siliconeitself a. Each bag has an RTV silicone SHIP and. Squirt a bit of solution out to cool the tip then plunge it through the port. Alternatively, you can make the ports yourself using RTV (room temperature vulcanising) silicone. Sealant, Silicone RTV, 1-Part, Electrical, Tube, Black, 310ml. Dow DOWSIL 3140 RTV Coating Clear is a one component, room temperature curing, solvent free coating. Kraken Bond High Heat Silicone Sealant - RTV Gasket Maker, Red Waterproof Gasket Sealer for Automotive, High Temp Silicone Sealant, 100 Silicone Flexible Gap Filler 1 Pack, 10. Be sure to get clear so you can see the innoculation holes through it. Feb 7, 2023 Apply a blob of RTV silicone. Silicone will skin over in one hour and fully cure in 24 hours under normal conditions. Shenzhen Hong Ye Jie Technology Co. This sealant requires an application temperature range of 10 F to 120 F and a service temperature range of -60 F to 200 F. cahtturbate, craigslist raleigh free stuff
Reviewed in the United Kingdom on November 13, 2019. . Rtv silicone self healing
Makes reliable formed-in-place gaskets that resist shrinking, cracking, and migrating. One example of this is artificial intelligence (AI) that manages itself and only needs human intervention when there is a genuine need for a decision beyond its current capabilities. Full sized tubes in a caulking gun are easier to make big smooth blobs with than the little hand held tubes. 0 100 3 0. Excellent primerless. PRODUCT DESCRIPTION High performance Quick Fix Tape bonds to itself and is self-curing, forming a waterproof permanent seal. These are the synthetic filter discs that are featured on our Quick Colonizing 5-grain Jars. 5 OZ; Permatex &174; Ultra Black &174; RTV Silicone Gasket Maker, 9. Next throw a glob over your injection port. 5 out of 5 stars 1,622. These structural sealants combine the mechanical strength of an adhesive with excellent sealing properties and high flexibility. (A) A silicone sample started off in the shape of a dog bone. This type of silicone can be applied from a bottle and left to set at room temperature. 74 Kit. No glue or RTV High temp . Ounce) 3,902. Once set, it is heat and water resistant, and reliably self-healing. Whether its for jar lids or spawn bags they take the guesswork out of inoculations. Though this is also a very good option, it tends to be more expensive than purpose-built ports. STEP TWO For complex or densely packed circuit components andor deep section casting, deaerate under vacuum (20 mm Hg) for 15 minutes. Good self-healing effect. 5 out of 5 stars 1,622. This sealant requires an application temperature range of 10 F to 120 F and a service temperature range of -60 F to 200 F. RTV silicone - is it the same as kitchen and bathroom silicone sealant, and if not, I can&39;t think why it would be any different for its Press J to jump to the feed. de 2019. 12,49 . Buy J-B Weld 32325 Ultimate Copper High Temperature RTV Silicone Gasket Maker and Sealant - 3 oz. (B) The sample was cut into pieces and rearranged in a dog mold. . 8 FL. Once set, it is heat and water resistant, and reliably self-healing. SS-6002S is a 1-part silicone RTV developed for conformal coating and seam filling applications. The lower the maximum temperature for the silicone , the softer is stays meaning it will survive more stabs with a syringe and the cheaper it is. RTV Silicone Hi-temp Gasket maker is a one-part moisture curing RTV Silicone sealant Hi-temp (room temperature vulcanizing) silicone that. See More. Went to a cannabis event to celebrate the first day of legalization here in Thailand. 4 YRS. Scientists rediscover self-healing silicone mechanism from the 1950s. Mycology Synthetic Filters For Gas Exchange Self Adhesive Sale 13. Tube, Clear, 1-Pack 4. (B) The sample was cut into pieces and rearranged in a dog mold. FREE delivery on 25 shipped by Amazon. This type of silicone can be applied from a bottle and left to set at room temperature. Because ASI 505 is a 100 silicone sealant, it resists weathering, moisture, vibration, ozone, ultraviolet and temperature extremes. (B) The sample was cut into pieces and rearranged in a dog mold. I usually go around the edge of the silicone after doing so with a flat knife or even spoon, to ensure there are no gaps between the silicone, and filter. Alternatively, you can make the ports yourself using RTV (room temperature vulcanising) silicone. This type of silicone can be applied from a bottle and left to set at room temperature. RoHS (Restriction of. 88 with Subscribe & Save discount FREE delivery Thu, Feb 9 on 25 of items shipped by Amazon Or fastest delivery Tue, Feb 7 More Buying Choices 3. Next throw a glob over your injection port. Posted by 4 days ago. Carefully place the lid to one side to dry. Feb 7, 2023 Permatex 85913 Clear RTV Silicone Adhesive Sealant, 7. Price Per Each. Alternatively, you can make the ports yourself using RTV (room temperature vulcanising) silicone. (A) A silicone sample started off in the shape of a dog bone. &0183;&32;This is whats called self-healing IT. The inferior erosion resistance was attributed to the low filler level employed in RTV silicone rubber 19,20. Add to Wish List. Our products include Anti-Graffiti Protective Coatings. RTV Silicone can be used as an adhesive or sealant for a wide range of applications including gasket dressings, window seams, gutters, pumps, and many more. whysuchpretense 2 yr. 8 oz. Simply take your paper and press down on the cone until its about 18 tall and let it sit for 24hrs to cure. UV stable and impervious to water. The term RTV is means Room Temperature Vulcanising. It&39;s better to order some heavier filter material, like the stuff on grow bags, and glue that on with the RTV. These high-end silicone rubber grades meet the stringent demands of the health-care industry. By centralizing control over automation environments, IT teams gain a single repository for logs, reports, and analytics. RTV self-healing injection ports (SHIP) OUR PROCESS. The term RTV is means Room Temperature Vulcanising. ago You cover the lid with foil before steam bath Pop1Pop2 Ive never foiled my lids. &0183;&32;Aerosol Can For RTV Silicones & Grease. One slightly larger then a hole you would do for a PF jar, and another 14 an inch for your polyfill breather. Once set, it is heat and water resistant, and reliably self-healing. Both the dynamic behavior of the dimethyl side groups of silicone rubber and the diffusion of a bulk siloxane to maintain low surface energy are respectively reported as intrinsic mechanisms responsible for the self-healing of silicone. Apply a blob of RTV silicone. de 2021. Feasibility of self-healing insulation system was studied. 99 FREE delivery Loctite 37464 Grey RTV 598 High Performance Silicone. Your current product is known as an acetoxy silicone. SATOP red color oxime type neutral rtv silicone sealant-8702. 5000 Sets (Min. Instead of managing processes and platforms in silos, IT needs to take a unified approach to IT infrastructure and process automation. south australian wine. One-component RTV silicone rubber (room temperature curing types). Our products include Anti-Graffiti Protective Coatings. Alternatively, you can make the ports yourself using RTV (room temperature vulcanising) silicone. Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, Sensor Safe And Non-Corrosive, For High Flex And Oil Resistant Applications 3. 00 out of 5. TechniqueWhy buy self healing injection ports when rtv silicon produces enough ports for the rest of most peoples lives Technique. Brydson, John (1999) Plastics Materials,. has expanded its capabilities to include an aerosol self propelled can Private label an ASI RTV Silicone in an aerosol can for a self propelled easy to dispense bead or send us your material for contract packaging. J-B Weld 31310 All-Purpose RTV Silicone Sealant and Adhesive - 3 oz. This type of silicone can be applied from a bottle and left to set at room temperature. Though this is also a very good option, it tends to be more expensive than purpose-built ports. - Place your lid on a rim to boost it up so the silicone on the bottom is not touching the counter. 5 OZ; Permatex &174; Ultra Black &174; RTV Silicone Gasket Maker, 9. Not Rated. Feb 24, 2022 HTV silicone rubber is cured under temperature and pressure and widely used for insulator weathershed and sheath materials, whereas RTV is cured in room temperature and used as a coating material for conventional ceramic insulators in order to improve the pollution performance. RTV Silicone Rubber From 21 Years Old Silicone Rubber Factory. Be sure to get clear so you can see the innoculation holes through it. This type of silicone can be applied from a bottle and left to set at room temperature. While all materials had CVCM of 0. Apply a blob of RTV silicone. tough and durable injection ports. . best japanese porn stars