The PolyChem Development & Marketing
TsongKai Technology


New Plastics Additive
Super Saving TK Series
improve the performance of
Injection, Extrusion, Blow Film/Mold


Customer Testimonials and Field Tests/Demonstrations 




The case study outlined below includes ONLY the brief summary of its individual
test background and result; please feel free to contact your local dealer if you want
to know more about how TK Series can help your unique plastic processing.

Case# 020: PVC pipes, TK helps to improve both productivity and product's quality




PVC pipes, 0.5 inch to 14 inches diameter

Resin Type:

Unplasticized PVC (pipe grade); 10% to 15% internal scrapped PVC


extrusion (Krause Maffe)

Filler Type


Customer concerns:

1. production down time due to mechanical abrasion or wear of the extruder screw and the mixer blades/heads
2. poorer mechanical strength when excess of recycled resin being used in the production

Tests Brief:

add 0.3% of TK-2 into customer's current formulation

Tests Result: 1. significantly glossier of the pipe surface
2. production output increased 11%
3. work load lowered by 5% and lessen the wear out extent of the screw and barrel
4. motor RPM increased from 32 to 34
5. pipe bursting pressure rating is up to 670 psi comparing with the original and average value of 640 psi

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