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Problem & Solution

Practical answers to common plastic material challenges

1506 questions
Q
Processing difficulties caused by melt flow rate mismatch of random copolymer polypropylene raw material
A
MFR mismatch needs to be solved by selecting suitable grades and adjusting process parameters; the key is to establish an incoming material MFR testing system.
Injection Molding melt flow rategrade selectionincoming material testingprocess adjustmentraw material mixing
Q
Environmental stress cracking appearing in random copolymer polypropylene injection molded products
Q
Stress whitening appearing near the gate of random copolymer polypropylene injection molded products
Q
Dimensions of random copolymer polypropylene injection molded products continue to change after demolding
Q
Cracking/micro-cracks appearing on the surface of random copolymer polypropylene injection molded products
Q
Uneven color/color difference appearing in random copolymer polypropylene injection molded products
Q
Underfill/short shot appearing in random copolymer polypropylene injection molded products
Q
Flow marks appearing on the surface of random copolymer polypropylene injection molded products
Q
Uneven surface gloss of random copolymer polypropylene injection molded products
Q
Weld lines appearing in random copolymer polypropylene injection molded products
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