Best Chemical Resistant Sealant

Certified Thermomelt Sticks

  • SPECIFICALLY DESIGNED FOR HVAC / R APPLICATIONS: Weather resistant temperature range of -60 degrees Fahrenheit to 400 degrees Fahrenheit make this Extreme Temperature Sealant ideal for HVAC/R uses.
  • EXCELLENT ADHESION TO MANY SURFACES: Adheres to Metal, Aluminum, Concrete, Glass, Fiberglass, Vinyl, and Plastic and offers long-lasting flexibility and durability with a weather-resistant seal.
  • WILL NOT CRACK, SHRINK OR PEEL: With its Permanent Flexibility design, the multi-purpose sealant will withstand the elements and won’t crack, peel or shrink for a dependable seal that lasts for years.
  • FORM A WEATHER-RESISTANT SEAL: Depend on Red Devil’s Extreme Temperature Sealant for your HVAC/R.
  • the sealant remains flexible with impressive adhesion and provides a weather-resistant seal that is heat and cold resistant when applied correctly.
  • FOR BEST RESULTS: Before applying the sealant, remove any old caulk, debris, or other residues that might interfere with adhesion and make sure the sealant is used on clean, dry surfaces for best results.
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CRC RTV Silicone Sealant 14059 – 6.5 Wt Oz., Red, General Purpose High Temperature Gasket Sealant

  • CRC INDUSTRIES: A market leader that offers impeccably designed chemical solutions to maintain, protect and repair different marine, heavy-duty motor vehicles, industrial-grade engines, household tools and electrical equipment..
  • SILICONE SEALANT: CRC RTV Silicone Sealant is designed for a wide range of sealing, bonding, protecting, and waterproofing. Red is designed as a high temperature, low odor, non-corrosive gasket sealant..
  • DURABLE PERFORMANCE: Stands up to tough conditions such as rain, snow, and extreme temperatures. Great for indoor and outdoor use..
  • APPLICATIONS: RTV Silicone Sealant is ideal for sealing, bonding, protection and waterproofing in HVAC, electrical, construction, metal working, filling gaps between mating parts, gearboxes, pumps, motors, and for general gasket sealing..
  • PRODUCT SPECIFICATIONS: Available in a 6.5 wt. oz. pressurized tube with Select-a-Bead nozzle..
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CRC RTV Silicone Sealant 14059 – [Pack of 12] 6.5 Wt Oz., Red, General Purpose High Temperature Gasket Sealant

  • CRC INDUSTRIES: A market leader that offers impeccably designed chemical solutions to maintain, protect and repair different marine, heavy-duty motor vehicles, industrial-grade engines, household tools and electrical equipment..
  • SILICONE SEALANT: CRC RTV Silicone Sealant is designed for a wide range of sealing, bonding, protecting, and waterproofing. Red is designed as a high temperature, low odor, non-corrosive gasket sealant..
  • DURABLE PERFORMANCE: Stands up to tough conditions such as rain, snow, and extreme temperatures. Great for indoor and outdoor use..
  • APPLICATIONS: RTV Silicone Sealant is ideal for sealing, bonding, protection and waterproofing in HVAC, electrical, construction, metal working, filling gaps between mating parts, gearboxes, pumps, motors, and for general gasket sealing..
  • PRODUCT SPECIFICATIONS: Available in a 12 pack of 6.5 wt. oz. pressurized tubes with Select-a-Bead nozzle..
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CRC RTV Silicone Sealant 14072 – 6.5 Wt Oz, Black, General Purpose High Pressure Gasket Sealant

  • CRC INDUSTRIES: A market leader that offers impeccably designed chemical solutions to maintain, protect and repair different marine, heavy-duty motor vehicles, industrial-grade engines, household tools and electrical equipment..
  • SILICONE SEALANT: CRC RTV Silicone Sealant is designed for a wide range of sealing, bonding, protecting, and waterproofing. Black is designed as a high pressure, low odor, non-corrosive gasket sealant..
  • DURABLE PERFORMANCE: Stands up to tough conditions such as rain, snow, and extreme temperatures. Great for indoor and outdoor use..
  • APPLICATIONS: RTV Silicone Sealant is ideal for sealing, bonding, protection and waterproofing in HVAC, electrical, construction, metal working, filling gaps between mating parts, gearboxes, pumps, motors, and for general gasket sealing..
  • PRODUCT SPECIFICATIONS: Available in a 6.5 wt. oz. pressurized tube with Select-a-Bead nozzle..
  • Seals, bonds, waterproofs and protects quickly and easily.
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Dicor BT-1834-5 Butyl Seal Tape – 1/8” x ¾” x 30’ – 5 Pack

  • Appearance: Grey, extruded butyl sealant tape.
  • Temperatures: Application: 30°F to 110°F, Operating limits: -20°F to 275°F.
  • Water Resistance: Sealant maintains adhesion to galvanized metal after being submerged for 30 days at 120° F (HTM 9.0).
  • Chemical Resistance: Excellent to water, vapor and alcohol.
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CRC 7.5 Ounce 05074 Heavy Duty Silicone Lubricant-7.5 Wt Oz - 4 Pack

  • CRC INDUSTRIES: A market leader that offers impeccably designed chemical solutions to maintain, protect and repair different marine, heavy-duty motor vehicles, industrial-grade engines, household tools and electrical equipment..
  • SILICONE SEALANT: CRC RTV Silicone Sealant is designed for a wide range of sealing, bonding, protecting, and waterproofing. The clear formulation is designed to form a barely visible, water-tight seal..
  • DURABLE PERFORMANCE: Stands up to tough conditions such as rain, snow, and extreme temperatures. Great for indoor and outdoor use..
  • APPLICATIONS: RTV Silicone Sealant is ideal for sealing, bonding, protection and waterproofing in HVAC, electrical, construction, metal working, filling gaps between mating parts, gearboxes, pumps, motors, and for general gasket sealing..
  • PRODUCT SPECIFICATIONS: Available in a 6.5 wt. oz. pressurized tube with Select-a-Bead nozzle..
  • Seals, bonds, waterproofs and protects quickly and easily.
  • This item is not for sale in Catalina Island.
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Red Devil 0795 StormGuard 920 100% RTV Silicone Window and Door Sealant, A Water-Resistant Adhesive for Interior and Exterior Use, 2.8 oz. Tube, Clear, 1-Pack

  • WEATHER-RESISTANT SEALANT: The one-part, neutral cure, 100% RTV silicone sealant is specially formulated for weather-resistant external window & door applications such as skylights, aluminum siding, trim, gutters, vents, and pipes.
  • EXCELLENT ADHESION TO VARIOUS SURFACES: This 100% Silicone Sealant can be used on a variety of indoor and outdoor surfaces and adheres to metals, painted and unpainted wood, glass, plaster/drywall, brick, plastic, and vinyl.
  • WILL NOT CRACK, SHRINK OR PEEL: With its Superior Flexibility, the multi-purpose sealant will withstand the elements and won't crack, peel or shrink for a dependable seal that lasts for years.
  • LOW ODOR FORMULA: The advanced formula sealant is VOC compliant and boasts a low odor, and is USDA Recognized, ideal for use in enclosed spaces like bathrooms.
  • FOR BEST RESULTS: Before applying the sealant, remove any old caulk, debris, or other residues that might interfere with adhesion and make sure the architectural grade RTV Sealant is used on clean, dry surfaces for best results.
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Dow Corning Molykote 55 O-Ring Grease Lubricant, 14g or 0.5oz

  • PLUMBERS FAUCET AND VALVE GREASE: Ideal for lubricating faucet stems, valves and cartridges when repairing a leaky faucet.
  • LUBRICANT GREASE: Contains high raw silicone content making it better for long term lubricant hold, & helps hard-turning faucets work smoothly.
  • NSF 61 APPROVED: designed for use as a waterproof lubricant on faucets, valve stems, cartridges and is safe for nitrite/rubber O-rings.
  • SAFE: No chemical contamination to drinking water. Retains its consistency in temperatures from -40° to 400° F.
  • ODORLESS and COLORLESS: Odorless scent makes this product easy to work with during application and no pigment for clean use.
  • RESISTANCE: The grease is water resistant and oxidation resistant. Silicone faucet grease helps reduce friction and provides long-lasting lubrication.
  • HOUSEHOLD USES: Our silicone sealant can be used to lubricate lubricate door hinges, threads on shower heads & bolts, toilet gaskets and flashlight O-rings.
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Danco 88693P Waterproof Faucet O-Rings | Silicone Lubricant | Plumbers Grease | 0.5 oz | 3-Pack

  • PLUMBERS FAUCET AND VALVE GREASE: Ideal for lubricating faucet stems, valves and cartridges when repairing a leaky faucet.
  • LUBRICANT GREASE: Contains high raw silicone content making it better for long term lubricant hold, & helps hard-turning faucets work smoothly.
  • NSF 61 APPROVED: designed for use as a waterproof lubricant on faucets, valve stems, cartridges and is safe for nitrite/rubber O-rings.
  • SAFE: No chemical contamination to drinking water. Retains its consistency in temperatures from -40 to 400 F.
  • ODORLESS and COLORLESS: Odorless scent makes this product easy to work with during application and no pigment for clean use.
  • RESISTANCE: The grease is water resistant and oxidation resistant. Silicone faucet grease helps reduce friction and provides long-lasting lubrication.
  • HOUSEHOLD USES: Our silicone sealant can be used to lubricate lubricate door hinges, threads on shower heads & bolts, toilet gaskets and flashlight O-rings.
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