Technical Q&A

The surface is as smooth as a mirror and lacks firmness.

Release Date:

2026-03-20

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Possible causes:

(1) No hardener was added, or the amount added was insufficient.

(2) Significant error in reactant stoichiometry

Proposed solution:

(1) Add an adequate amount of curing agent.

(2) Adjust the reactant molar ratios

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Poor surface finish

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