Adhesives & Epoxy

Permatex Black Silicone Adhesive Sealant

$7.00$7.78save 10% vs MSRP· 85 g (3 oz) tube

Part no. PX-81158 · Permatex part no. 81158 · price in CAD

Available next day — free pickup in Edmonton, or we ship it. Live Canada Post & UPS rates in the cart · $15 local delivery in Edmonton · free pickup at 12940 53 St NW.

100% genuine. 100% genuine Permatex, from authorized North American distribution.

A black, low-odour, general-purpose RTV silicone adhesive sealant for indoor and outdoor repairs on glass, metal, plastics, vinyl, weatherstripping and vinyl tops, and for protecting and repairing electrical wiring. It is sensor-safe, cures waterproof and flexible, and is rated for continuous use from -59°C to 232°C (-75°F to 450°F). Not for engine gasketing; paint the surface first, as most paint will not stick to silicone.

Permatex Black Silicone Adhesive Sealant is a low odor, general purpose, black RTV indoor/outdoor sealant that seals, bonds, repairs, mends and secures glass, metal, plastics, vinyl, weather stripping and vinyl tops. This multi-purpose adhesive sealant protects and repairs electrical wiring. May be applied to horizontal or vertical surfaces.

✓Seals, bonds, repairs, mends and secures glass, metal, plastics, fabric, vinyl, weather stripping and vinyl tops
✓Protects and repairs electrical wiring
✓Sensor-safe, general purpose black RTV indoor/outdoor sealant
✓Resists water, weather, and vibration
✓Waterproof and flexible

Size

30-day returns · Secure Stripe checkout · 100% genuine · (780) 482-2424

⚠ Safety warnings

Tube: WARNING: ON DIRECT CONTACT, UNCURED SEALANT IRRITATES EYES AND SKIN. Read carefully other cautions on back panel.
SDS (Rev 20-Nov-2025): Warning. Suspected of causing cancer.
Note: Not recommended for engine gasketing applications.
Most paint will not adhere to silicone. Surfaces should be painted first, then sealed.
This product is not recommended for use in pure oxygen and/or oxygen rich systems and should not be selected as a sealant for chlorine or other strong oxidizing materials.

Safety data sheet (SDS) →

Specifications & Approvals

Suggested Applications: Door frames, electrical connections, seams and roofs, vinyl tops, weather stripping (Not recommended for engine gasket applications). Chemical Type: Oxime silicone rubber; Appearance: Black non-sag paste; Odor: Mild; Specific Gravity: 1.42; Extrusion rate @ 25°C, (grams/min): >250; Flash Point TCC °C (°F): >93 (>200). The product dries tack free in 1 hour and fully cures in 24 hours. After 7 days at 25°C (77°F), 50% Relative Humidity: Hardness (Shore A) >18; Elongation, % >350; Tensile Strength, N/mm2 (psi) >1.2 (>170). Temperature Resistance: Continuous, °C (°F) -59 to 232 (-75 to 450); Intermittent, °C (°F) -59 to 260 (-75 to 500).

Common questions

Is this genuine Permatex Black Silicone Adhesive Sealant?

Yes. 100% genuine Permatex, from authorized North American distribution. Everything we sell is genuine product — never grey-market.

Can I get it shipped or pick it up in Edmonton?

Both. Choose Ship to me for live Canada Post or UPS rates shown in the cart before you pay, Local delivery in Edmonton for $15, or free pickup at our Edmonton shop.

Not sure this is the right adhesives & epoxy for your vehicle?

Check your owner's manual for the required specification or call our Edmonton team at (780) 482-2424 and we'll match the right product to your vehicle.