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Foam products in the application of the external lubricant is generally paraffin wax and polyethylene wax, Paraffin wax is easy to precipitate, so the general use of polyethylene wax.
The external lubrication is insufficient, the extruder 4,5 area temperature is not easy to control, easy to overheat, the plate surface appears the big bubble, the string bubble, the yellowing, the plate surface is rough; Friction shear heat increases, causing the decomposition of materials, plate surface yellow, and paste materials; Excessive external lubrication, poor plasticization, resulting in mold cavity scale and product surface precipitation, easy to appear uneven wall thickness and some symptoms in the surface moving back and forth phenomenon.
Qingdao Sainuo Chemical Co.,Ltd. We are manufacturer for PE wax, PP wax, OPE wax, EVA wax, PEMA, EBS, Zinc / Calcium Stearate…. Our products have passed the REACH, ROHS, PAHS, FDA testing.
Sainuo rest assured wax, welcome your inquiry!
Adress：Room 2702,Block B, Suning Building, Jingkou Road, Licang District, Qingdao,China
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