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Product Details

Forefront of the market

Exhibition: 20th China International Adhesives & Sealant Exhibition
RISUN is the leading company manufacturing silane terminated polyether (STP) polymer in China. We are the gold supplier of STP polymer at home and abroad.We attend domestic and overseas sealant and ad
Risun Polymer Was Invited to HUI TIAN 2016 Core Suppliers Summit
As the core suppliers of Huitian, Risun Polymer was invited to attend the Core Suppliers Summit held from March 20th to 22nd in Xiangyang, Hubei.
Product name

STP Polymer

Affiliate classification


    Based on 10000 - 15000 MW polyether


    Dimethoxy & Triethoxy capped

    Polymer Viscosity

    18000 - 22000 mPa.s at 25℃


    Catalyzed with dibutyl tin diketonoate and secondary amino silane


    Shore A 40-65

    Tensile Strength

    3.0-6.0 Mpa



    Specific Gravity

    1.005 KG/L

    CAS No.



The industrial sealants and adhesives made with Risun DS series polymer are no bubbles, no yellowing, no isocyanate groups, with longer shelf life, better weathering resistance and more eco-friendly than PU sealants. If you want to produce high quality industrial sealants and adhesives, Risun DS series polymer give you better choice.   STP Polymer


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