10OZ FAST CURE ALU GRY MARINE ADHESIVE
221 Medium Strength Adhesive Sealant - Gray
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221 Medium Strength Adhesive Sealant - Gray

Popular General Purpose Sealant and Adhesive
By: Sika

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Overview
Sikaflex-221 is an economical, non-sagging, 1-part polyurethane sealant that cures on exposure to atmospheric humidity to form a durable elastomer.

This is an all-purpose product used for general sealing applications such as deck hardware and equipment.
It is resistant to weathering, seawater and ultra-violet radiation.

Sikaflex-221's permanent elasticity and medium strength, make for relatively easy disassembly, should that be necessary; use razor wire as a tool.

Sikaflex-221 bonds well to a wide variety of substrates and is suitable for making permanent elastic seals of medium adhesive strength.
Suitable substrate materials are wood, metals, metal primers and paint coatings (2-part systems), ceramic materials and plastics.

• Elastic
• Low odor
• Resistant to aging and weathering exposure
• Non-corrosive
• Can be overpainted
• Can be sanded
• If you require Sikaflex-221 in white or black, we recommend you use the very similar Sikaflex-291; see Related Products, below


Sika has published a number of excellent technical "how to" documents for common marine applications using their Aktivators, Primers, and Adhesive/Sealants.
Topics covered include bedding and sealing hardware, rub rails, plastic windows, mineral glass windows, wood, UV exposure issues, etc.
 
 
 
 
 
 
 

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