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# 009: PP lipstick cover/lid, color masterbatch saving and improve both quality & productivity




Lipstick lid and cover

Resin Type:

PP Homopolymer PH 0320, virgin



Filler Type


Customer concerns:

1. welding problem cause low productivity
2. high surface imperfection
3. poor color dispersion

Tests Brief:

Test 1: 75 kgs of PP + 75 grams of TK-1; cover injection
Test 2: 15 kgs of PP + 15 grams of TK-1; lid injection

Tests Result:

1. 14% increase for production throughput
2. 10% reduction in production cycle time
3. Less surface imperfection and glossier finish
4. Better pigment dispersion observed and 30% reduction in color masterbatch
5. Stronger welding
6. Injected parts easier to extract from mold

Major Benefits:

1. cost saving, include resin, pigment, electricity and labor
2. increase machine service life
3. increase productivity or throughput.
5. smoother & glossier finish


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