3M Scotch-Weld Gasket Maker GM18

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Description for 3M Scotch-Weld Gasket Maker GM18

RiteLok gasket maker create formed-in-place gaskets on flanges and housings, eliminating the need for large inventories of pre-cut gaskets.

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Application Type	Seal against fluid leakage, Bond, Form-in-place gaskets
1 Part or 2 Part	1 Part
Material Form	Liquid, Paste (before cure)
Substrate	Aluminum, Metal: Brass (Active Fast cure), Metal: Bronze (Active Fast cure), Copper (Active Fast cure), Metal: Iron (Active Fast cure), Metal: Kovar® (Active Fast cure), Metal: Manganese (Active Fast cure), Metal: Monel® (Active Fast cure), Nickel (Active Fast cure), Aluminum: Anodized Aluminum (Inactive Slow cure), Metal: Cadmium (Inactive Slow cure), Metal: Chemical black oxide (Inactive Slow cure), Steel: Galvanized steel (Inactive Slow cure), Metal: Gold (Inactive Slow cure), Inconel® (Inactive Slow cure), Metal: Magnesium (Inactive Slow cure), Steel: Magnetite Steel (Inactive Slow cure), Metal: Plated parts (Inactive Slow cure), Metal: Silver (Inactive Slow cure), Stainless Steel (Inactive Slow cure), Metal: Zinc (Inactive Slow cure), Commercial aluminum (Active Fast cure), Pure aluminum (Inactive Slow cure)
Industry	Industrial: Formed-in-place gaskets on flanges and housings, Industrial: Gearbox, Industrial: Mating aluminum flanges, Industrial: Flanges, Industrial: Pipe flanges, Industrial: Fill pits, scratches, and gouges in the flange surface
Manufacturer	3M
Chemistry	Polymer, Modified Urethane, Acrylate
Cure Method	Solvent, Anaerobic
Cure Temperature (°C)	20 to 25 Room Temperature, 20 to 25
Cure Time (min)	240 to 1,440, 30 to 240, 1,440, 1,440
Viscosity (cPs)	300,000 to 700,000, 300,000 to 700,000
Color	Red
Torque (psi)	70 to 110 (in.lb), 60 to 120 (in.lb)
Relative Solvent Resistance	Chemical Resistance: Solvent resistance
High Temperature Resistance (°C)	149, 149 to 204
Low Temperature Resistance (°C)	-54, Cured

Best Practices for 3M Scotch-Weld Gasket Maker GM18

*See Terms of Use Below

Surface Preparation

3MTM Scotch-WeldTM Gasket Maker Anaerobic Adhesives are not recommended for use on most plastics due to potential cracking of plastic parts. Also, they are not recommended for use in piping systems that contain pure oxygen or an oxygen-rich environment, chlorine, or strong oxidizing substances.

Ensure parts are clean, dry and free from oil, grease and dirt. For best results, clean and dry parts with solvent or 3MTM Scotch-WeldTM Activator. (Activator can also be used on inactive surfaces or to accelerate the cure on active surfaces.). NOTE: Use of a 3MTM Scotch-WeldTM Activator may reduce bond strength depending on substrates and gap. Testing is recommended to evaluate the effect.

If not sure of surface type, always use activator. Refer to Material surface Activity and Cure Speed section for more information.
Application

Apply a continuous bead of adhesive by had tracing or by automated tracing equipment onto one surface of the flange or mating part. Circle all bolt holes. 3MTM Scotch-WeldTM Gasket Maker Anaerobic Adhesives can also be applied by screen printing, roll coating, pads, etc.

Assemble parts and tighten as soon as possible. Making sure to apply fastening pressure evenly on all sides of the mated assemblies.

It can be applied by tube, tracing, roll coating, or screen printing to provide an instant low pressure seal.

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Technical Data

Overview

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Specifications

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Best Practices

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