Material Analysis
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POE creep deformation large
Problem Phenomenon
POE product creep >5% under long-term load, exceeding 2% requirement
Cause Analysis
POE elastomer nature has large creep; molecular weight low, creep resistance poor; not crosslinked, large plastic flow
Solution
1) Select high molecular weight grade; 2) Slight crosslinking 0.3wt% DCP to reduce plastic flow; 3) Add rigid filler to reduce creep
Key Takeaway
Large creep is caused by elastomer nature; slight crosslinking and rigid filler are key
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