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Pressurized Silicone Gasket Maker

Gasket Pro 990


Temperatures From –60°F (-51°C) to 600°F (316°C);
Intermittent –60°F (-51°C) to 650°F (343°C)

Forms Gaskets & Seals Instantly | Won’t Sag Or Shrink

Remains Permanently Flexible At High Temperatures

Gasket Pro 990 is the best pressurized silicone gasket maker on the market today. This 100% R.T.V. (Room Temperature Vulcanizing) silicone gasket maker instantly forms in-place gaskets and seals on a wide variety of surfaces. Gasket Pro 990 is ideal for use on: glass, wood, metal, ceramics, porcelain, rubber, and most plastics and paints.

This top of the line pressurized silicone gasket maker has excellent adhesion characteristics which allow it to easily seal, bond, and insulate. Gasket Pro 990’s pressurized dispenser instantly creates gaskets of any size or shape. This flexible industrial strength sealant won’t sag or shrink and is both waterproof and weatherproof. Gasket Pro 990 can be used in place of metal, cork, asbestos, felt, and paper gaskets. This top of the line pressurized silicone gasket maker won’t harm oxygen sensors, making it safe to use on all oxygen sensor equipped vehicles.

Easy To Use | Industrial Strength Sealant

Creates Gaskets & Seals For:

Pumps Oil And Water Pumps  Oil And Transmission Pans Valve And Timing Chain Covers High Pressure Pipe Joints Electrical Motors Electrical Control Boxes Compressors Machine Covers Gear Boxes Equipment Housings  Rigid Flange Assemblies

This low volatile pressurized silicone gasket maker can withstand incredibly high temperatures. Gasket Pro 990 remains permanently flexible at temperatures from -60°F (-51°C) to 600°F (316°C), and can withstand intermittent temperatures up to 650°F (343°C). It also features a high chemical resistance. Even under the most extreme operating conditions Gasket Pro 990 does its job with distinction, being hardly affected by chemical deterioration, extreme weather, extreme temperatures, or aging. Gasket Pro 990 can withstand pressures up to 350 PSI.

Gasket Pro 990 is economical, it eliminates waste, and using it will save you time and money. How? By reducing the need for inventory (because you will no longer need to stock conventional seals and gaskets), and by quickly returning your equipment to operation (which reduces down time). This easy to use pressurized silicone gasket maker also eliminates the need for cartridge guns and squeeze tubes.

Ideal For Use On:

Glass Wood Metal Ceramics Porcelain Rubber Most Plastics Most Paints

Use In Place Of:

Metal Gaskets Cork Gaskets Asbestos Gaskets Felt Gaskets Paper Gaskets

Instructions: We recommend that you read the Material Safety Data Sheet before you use this product. Before applying, make sure the surface is clean, dry, and free of dirt, dust, oil, and tar. As you hold the can at a 45° angle, apply a continuous 1/16” to 1/8” bead to the mating surface, being sure to encircle all bolt holes. Assemble immediately if using for the purpose of adhering two parts. For one part adhesion, allow 10-15 minutes for the bead to skin. As you reassemble the parts, be sure not to over-tighten the bolts and thus squeeze the gasket out. Gasket Pro 990 will begin curing immediately and will be fully cured in 24 hours, reaching optimum strength within 7 days. If using Gasket Pro 990 for food applications, wash the part before use after the sealant is completely cured. Any excess cured material can be removed if desired by trimming it off with a sharp blade (while being careful not to undercut the seal). 

We do not recommend that you use Gasket Pro 990 on carburetors or parts requiring continuous immersion in gasoline, intake manifolds, exhaust manifolds, and cylinder heads. Gasket Pro 990 meets G.M. and many O.E.M. specifications. It also meets FDA Regulation 21 CFR, 177.2600 requirements when fully cured and washed.

We at Superior welcome your questions and inquiries. Call us anytime toll free at 800-476-2072