Material Analysis
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AEPDS low temperature toughness
Problem Phenomenon
AEPDS low temperature toughness is excellent, but lost by improper processing, low temperature application failure.
Cause Analysis
AEPDS combines weather resistance and low temperature toughness; EPDM glass transition temperature is low; but processing degradation or stress reduces low temperature performance; low temperature impact test; application verification.
Solution
①Processing protects rubber phase; ②low stress process; ③low temperature impact test; ④application verification.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
AEPDS low temperature toughness is a material advantage; processing protection is the key; testing ensures application.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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