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Technical Datasheet | Supplied by DKSH
HARDLEN® HM-21P distributed by DKSH is an adhesion promoter for polyolefin. It shows excellent adhesion to polyolefin. HARDLEN® HM-21P displays good adhesion to PP, TPO (thermoplastic olefin elastomer), PP/EPDM, EPDM and metal substrates without some physical and chemical pre-treatment such as framing treatment. This additive possesses excellent resistance against water, gasoline and gasohol after top-coating. It is available in Europe and North America.
Product Type
Adhesion Promoters / Compatibilizers > Adhesion Promoters
Product Status
Geographical Availability
Central and Eastern Europe, North America, Western Europe
Applications/ Recommended for
  • TPE and TPV > TPO (or TPE-O)
  • PP
  • Other Rubber > EPDM
  • Polymer surface adhesion > Adhesion to substrates

HARDLEN® HM-21P Properties


Value & Unit
Test Condition
Test Method
Chlorine Content
21 %
25 mPa-s
(At 25°C. 20wt% Toluene Solution)
Color, Gardner
< 6
(At 20wt% Toluene Solution)
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