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# 011: PP bottle/lid, TK additives improve productivity and quality




Hair Shampoo bottle 

Resin Type:

HDPE/LDPE - blow mold for bottle body and PP - injection for lids


blow mold and injection

Filler Type


Customer concerns:

1. cost saving
2. productivity improvement with older machines
3. poor color dispersion

Tests Brief:

Test 1: 25 kgs of 90%HDPE/10%LDPE + 0.1% of TK-1; blow mold
Test 2: 15 kgs of 98.5% PP + 1.5% red masterbatch + 0.2% of TK-1; injection

Tests Result:

1. can use 2 "head" blowing with TK - 10% better productivity
2. Better pigment dispersion observed and 30% reduction in color masterbatch
3. Less surface imperfection and glossier finish
4. Stronger welding

Major Benefits:

1. cost saving, include resin, pigment, and average unit cost
2. shorten production cycle
3. better product's cosmetic quality


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