Top 9 RTV Sealant Black UK – Fillers, Adhesives & Sealants

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1. Visbella

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Visbella Neutral RTV 100% Gasket Maker Oil and Water Resistance Anti-Freeze Remain Flexible Ultra 3 oz. High Temperature 600°F Sealant Tube

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Visbella #ad - Non-corrosive properties ensure a long lasting seal life. Anti-freeze resistant. Formulated to work with oxygen sensor equipped engines, resulting in a sensor safe seal. Visbella silver rtv silicone gasket maker is great for: engines and motors, compressors, gearboxes, timing covers, water pumps, carburetors, high-temperature piping systems, exhaust manifolds. Low odor and temperature resistant. Oil and water resistant allows for better performance by preventing premature failure.
BrandVisbella #ad
ManufacturerVisbella #ad
Part NumberGN0085BK4A
ModelGN0085BK4A

2. Wynn's

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Wynn's Black Instant Gasket Maker Silicone High Temperature RTV Sealant 200ml

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Wynn's #ad - Ideal for replacing seals and gaskets of engine components cylinder-head cover, transmission and oil crankcase, water pumps, thermostats and many other applications.

The polysiloxane based formula dispensed from a pressure cartridge makes seals and gaskets form in a rapid and easy-to-use way. Is resistant to oils, transmission fluids, antifreeze, grease, water, smoke and hot toxic gases. Does not harm catalytic converters and electronic sensors; replaces cork, felt, paper and rubber gaskets. Withstands low temperatures down to -40°C continuous and high temperatures up to 232°C continuous and 260°C intermittent.
BrandWynn's #ad
ManufacturerWynn Oil UK #ad
Height1.77
Length11.42
Weight0.3 kg (0.66 Pounds)
Width1.77
Part NumberWYN57680
Model1831054
Warranty2 year

3. Plextone

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Plextone Black RTV Silicone Engine Repair Gasket Seal Maker, Sealant Glue, High Temperature Heat Resistant from -80ºF to 600ºF

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Plextone #ad - Product features: -- heat resistant and flexible from -80°F to +600°F -62°C to +315°C -- Excellent bond to a wide range of applications.

Plextone silicone motor Repair High Temperature Seal Gasket Manufacturer Black. Typical applications: rear main bearing cap split line, gear tray, differential cover, water pump cover seal, OHC cap, side cover, oil pan seals, intake manifold, thermostat housing, valve cover seal, flap key seal, time cover, vibration damper, exhaust manifold at connection points. High temperature and heat resistant from -80ºF to 600ºF. Attention: please read the instruction manual carefully before use.
BrandPlextone #ad
ManufacturerPlextone #ad
Height1.57
Length5.91
Width1.57
Part NumberJ-P66
ModelJ-P66

4. Realth

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Realth Silicone Gasket Maker 1 Pack High Temperature RTV 3.53 Oz 100g Ultra Black Oil Resistance Sealant High Strength Flange Sealing for Automotive Motorbike Machine Equipment RepairingSG119

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Realth #ad - Heavy dutyour rtv silicone is great for working on many tasks. All-powerfulthis silicone gasket maker can work on all metal, aluminum, such as stainless steel, brass even it is plated or contaminated by minor oils. Perfect for oil-resistant gaskets on motorcycle, various electrical applications as an insulator with high temperature bond strength and other miscellaneous application.

How it worksclean the surface of gasket or o-ring, coat our sealant on the gasket and put it where it is. Applying occasionideal for automotive, exhaust manifolds, water pumps, machine equipment, thermostat housing, oil pans, drive housings, valve covers, all kinds of metal, differential covers, oil pans, timing covers, motorbike, mechanical assemblies, 3D printer and oven doors. Wonderful performancethis rtv room temperature vulcanized silicone gasket maker is more oil resistant than conventional silicone, low odor and non-corrosive with superior adhesion, more flexible than cut gaskets.

Safe, endure temperatures up to -60º C ~ 280º C. Definitely a different odor but maybe that has something to do with its superior performance. It will not shrink, run, leak and crack, drip, resists any weather. They will set completely after 24H and be disassembling. It will form a tough and waterproof seal between tiny gap when the product is exposed to the moisture in air.
BrandRealth #ad
ManufacturerRealth #ad
Height1.18
Length7.48
Width3.54
Part NumberSG119
ModelSG119

5. Visbella

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Plastic, Visbella V363 Black Hi-Temp Gasket Maker 85 ml

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Visbella #ad - Visbella black hi-temp Gasket Maker 85 ml. Visbella black hi-temp Gasket Maker 85 ml. Visbella black hi-temp Gasket Maker 85 ml. Non-corrosive properties ensure a long lasting seal life.
BrandVisbella #ad
ManufacturerVisbella #ad
Part NumberV363
ModelV363

6. Simply

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Resistant to 300 Degrees- Low Volatile Formula, Waterproof Seal, Simply SR-005 Black High Temperature Instant Gasket, Sensor Safe

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Simply #ad - This sealant is intended for a variety of general-purpose and industrial applications and retains its elastomeric properties at temperatures of up to 300ºC. Power can – 200ml pressurised can with trigger for easy application.

Waterproof seal – our high-temperature instant Gasket has a strengthened formula ensuring durability and long-lasting effects protecting your vehicle from water damage. Low volatile formula – our high-temperature instant Gasket sealant cures in the presence of atmospheric moisture to produce a durable and flexible silicone rubber compound. Resistant to 300℃ – our high-temperature instant gasket provides a long-lasting flexible seal with excellent adhesion to most surfaces.

Once applied, and migrating, offering a reliable and long-lasting seal. Sensor safe – our high-temperature instant gasket resists cracking, shrinking, it creates reliable 'formed-in-place' gaskets that resist cracking, shrinking, or migrating.
BrandSimply #ad
ManufacturerJRP Distribution #ad
Part NumberSR-005
ModelSR-005

7. Simply

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Waterproof Seal, Low Dirt Pick Up Packaging may vary, Easy to Apply, Flexible, Simply SR-001 Black RTV Silicone Instant Gasket, Temperature Resistant up to 200 degrees

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Simply #ad - Easy to Apply. Quick curing - low dirt pick up. Easy to apply - our rtv silicone Instant Gasket conveniently keeps at room temperature for easy application and great adhesion.

Rtv silicone Instant Gasket Black. Low dirt pickup - our rtv Silicone Instant Gasket cures fast it will not pick up unwanted dirt. Waterproof seal - our rtv Silicone Instant Gasket creates a durable waterproof seal on many automotive applications. Creates Waterproof Seal. Permanently flexible - a great option for automotive use because it will withstand vibration and flexing of vehicles. Temperature Resistant to 200ºC. Temperature resistant - our rtv Silicone Instant Gasket can withstand temperatures up to 200°C with no degradation.
BrandSimply #ad
ManufacturerJRP Distribution #ad
Weight0.79
Part NumberSR-001
ModelSR-001
Warranty12 Months

8. Permatex

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Permatex 22072 Ultra Black RTV Silicone Gasket Maker: Low Odor, Non-Corrosive Sealant with Oil Resistance 14g, Sensor-Safe

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Permatex #ad - High flexibility and oil resistance for reliable sealing in dynamic environments. Sensor-safe and non-corrosive formula, ensuring compatibility with sensitive electronic components. Eliminates the need for pre-formed, pre-cut gaskets, saving time and reducing material costs. Resistant to powertrain fluids, providing durability and reliability in automotive applications. Oem specified and approved for dealership warranty requirements, ensuring quality and compliance with manufacturer standards.
BrandPermatex #ad
ManufacturerPermatex #ad
Height6.5
Length0.63
Weight0
Width2.81
Part Number22072
Model22072

9. All Trade Direct

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All Trade Direct 1 X Quality Black RTV Silicone Sealant 300ml Instant Gasket High Temp Auto

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All Trade Direct #ad - Excellent Quality. 1 x black Silicone Sealant. Provides permanant, Waterproof, Flexible Seal. Quick Curing.
BrandAll Trade Direct #ad
ManufacturerAll Trade Direct #ad
Weight0.87