Material Analysis
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DSTDP insufficient tensile strength
Problem Phenomenon
DSTDP product tensile strength 15-20% below the standard value
Cause Analysis
DSTDP molecular weight on the low side, strength foundation insufficient; filler interface poor, not playing a reinforcing role; excessive orientation, strong longitudinally and weak transversely
Solution
1) Select high molecular weight DSTDP grades; 2) filler coupling agent treatment to improve interface; 3) reduce orientation to reduce longitudinal-transverse difference
Key Takeaway
Insufficient tensile strength is caused by molecular weight and poor interface; selecting high MW grades is key
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