ABRO 11-AB Red High-Temperature RTV Silicone Gasket Maker Sealant (3 oz / 85g)
ABRO 11-AB Red High-Temperature RTV Silicone Gasket Maker Sealant (3 oz / 85g)
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ABRO® Red RTV Silicone Gasket Maker (Part No. 11 AB) is a specially formulated, high-temperature elastomeric sealant designed for professional automotive and mechanical gasket replacement. It makes almost any gasket instantly, replacing traditional pre-cut gaskets on high-heat components such as exhaust manifolds, exhaust crossover pipes, water pumps, and thermostat housings. Capable of withstanding continuous temperatures up to 650°F (343°C), this low-volatile silicone formula resists cracking, shrinking, and migration caused by thermal cycling, while maintaining strong resistance against motor oil, water, and anti-freeze fluids. Supplied with an application nozzle tip in a 3 oz (85g) tube. Made in U.S.A.
Specifications Table
| Parameter | Technical Specification |
| Brand |
ABRO® Professional Use |
| Part Number |
11 AB |
| Product Type |
High-Temperature Red RTV Silicone Gasket Maker |
| Net Weight |
3 oz. (85 g) |
| Temperature Resistance |
Up to 650°F (343°C) |
| Chemical Resistance |
Resists Oil, Water, and Anti-Freeze |
| Volatility Rating |
Low Volatile / Sensor Safe Grade |
| Origin |
Made in U.S.A. |
| Applications |
Exhaust Manifolds, Exhaust Crossover Pipes, Water Pumps, Thermostat Housings |
Key Features & Standards
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High-Temperature Resistance: Operates reliably under extreme heat conditions up to 650°F (343°C) without losing adhesion or flexibility.
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Instant Custom Gasketing: Replaces pre-cut cork, felt, paper, or rubber gaskets by forming form-in-place sealings instantly.
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Automotive Fluid Resistant: Resists degradation from constant exposure to engine oils, coolant water, and anti-freeze mixtures.
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Low Volatility: Formulated to reduce volatile fumes and maintain stability during high-heat operation.
⚠️ Safety Warning: Uncured sealant causes skin and eye irritation on contact. Avoid contact with eyes, skin, and clothing. Use in a well-ventilated area and read additional precautionary instructions on the back of the packaging prior to use. Keep out of reach of children.