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GCSE Design and Technology · key term
Joining compatible polymer surfaces by applying a solvent that softens or dissolves them; the joint sets as the solvent evaporates.
Used by AQA
Paper 1
Revise: Shaping, forming and joining polymersIn solvent welding, a suitable solvent softens or dissolves the surfaces of the pieces being joined. The surfaces merge, and the joint sets as the solvent evaporates. This is commonly used to join acrylic parts.
Do not describe solvent welding as simply sticking two unchanged surfaces together with glue. The solvent softens or dissolves the polymer surfaces so that they join.
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