
RTV Gasket Sealant
RTV Gasket Sealant is a high-performance gasket maker used to replace conventional rubber gaskets for sealing and mechanical repairs.
Product features
Features
RTV silicone gasket maker that replaces traditional rubber gaskets, offering strong adhesion and high heat resistance
Applications
For gasket making, gap filling, and sealing mechanical parts, furnaces, air tanks, and various surfaces
Color
Off-white
Packaging
32g × 12 tubes × 1 box 85g x 12 tubes x 1 box
Safety note
Not suitable for PE, PP, PTFE, bitumen, or surfaces in direct contact with gasoline
Product Description
RTV Gasket Sealant is a premium gasket-making sealant designed to replace traditional rubber gaskets in sealing, assembly, and mechanical equipment repair applications. The product can withstand temperatures up to 650°F (≈343°C), provides strong adhesion on various materials, and forms a durable, elastic silicone gasket with excellent leak-proof performance.
With easy application, fast surface curing, and convenient disassembly, RTV Gasket Sealant is an optimal solution for industrial use, maintenance, and modern machinery repair.

Applications
Gasket forming, sealing rings, and sealing areas exposed to high temperatures.
Sealing and repairing industrial furnaces, heat chambers, and gas pipelines.
Gasket sealing for air tanks, compressors, generators, and mechanical engines.
Bonding and sealing surfaces made of epoxy, polyester, polystyrene, anodized aluminum, metal, and wood.
Benefits
Replaces traditional rubber gaskets with a flexible and convenient solution.
Effectively prevents oil, gas, and water leakage.
Maintains long-term sealing performance and high heat resistance in harsh environments.
Reduces maintenance costs and replacement of mechanical parts.
Easy to apply, suitable for workshops and individual repair technicians.

Key Features
Strong adhesion on various metallic and non-metallic materials.
High heat resistance, excellent elasticity, no cracking or breaking.
Fast surface curing (5 minutes), saving application time.
Easy removal and replacement without damaging the surface.
High durability with vibration resistance and superior leak prevention.
Instructions
Remove old sealant and clean the surface thoroughly.
Allow the surface to dry completely, then cut the nozzle to the desired size (sealant bead 2–4 mm).
Apply sealant evenly around edges or bolt holes, avoiding overflow.
Assemble the two surfaces within 5 minutes and tighten moderately.
Remove excess sealant using MEK or Toluene solvent.
Surface dries after 5 minutes; full curing occurs within 1–7 days.
Shelf Life
The shelf life of this product is 24 months from the manufacturing date (unopened packaging).
Storage
To maintain product quality and durability, store in a dry, cool place at temperatures between 5–30°C. Avoid direct sunlight, heat sources, or open flames. Close the cap tightly after use to minimize air exposure and prevent evaporation or degradation.
Safety Precautions
Read the instructions carefully before use.
Do not use surfaces sensitive to acetic acid.
The sealant cannot be painted over.
Keep away from fire, direct sunlight, and out of reach of children.
Consultation & Support
- • Contact An Thai Khang now for consultation & quotation.
- • We are always ready to support and respond quickly to ensure your confidence in purchasing.




