Molding Process
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Poor chemical stress cracking resistance of products
Problem Phenomenon
Cracks appear after contact with specific chemicals
Cause Analysis
A component of the blend is sensitive to specific chemicals; the synergistic action of internal stress and chemicals lowers the critical cracking stress
Solution
Evaluate the resistance of each component to the target chemical; select suitable component combinations; anneal the product to eliminate internal stress
Key Takeaway
Chemical stress cracking is the result of the synergistic action of chemicals and internal stress
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