2021年7月29日星期四

Causes of yellowing of PVC foam board surface

 Solution: reduce the processing temperature, if it does not improve, adjust the formula to increase stability, appropriately increase stabilizers and lubricants, and change them one by one. First increase the stabilizer to see the effect, and then adjust the lubrication to balance the lubrication, so it is easy to find out quickly Where the problem lies, solve the problem as quickly as possible.

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