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GCSE Design and Technology · key term
A two-part adhesive whose resin and hardener react to form a strong bond.
Used by Edexcel and Eduqas
Specification 2.7.4, 4.7.3 · Paper 1
A two-part adhesive in which resin and hardener are mixed and react chemically to form a hard, durable bond.
Revise: Assembling MethodsContact adhesive and epoxy resin have different application methods and are useful for different jobs.
A two-part adhesive in which mixing resin and hardener starts a chemical reaction that causes the adhesive to set.
Distinguish contact adhesive from epoxy resin: contact adhesive bonds when the prepared coatings are pressed together; epoxy cures through a chemical reaction after resin and hardener are mixed.
Contact adhesive bonds immediately when the prepared surfaces meet; epoxy resin sets through a reaction between resin and hardener.
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Component 1
Revise: Permanent and Temporary Metal JoiningEpoxy resin is a two-part adhesive. Mixing the resin and hardener starts a chemical reaction that cures the mixture into a strong bond. It can join dissimilar materials and is useful when welding or brazing would be unsuitable or would cause heat damage.
