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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 - 12000 MW polyether


    Triethoxy capped

    Polymer Viscosity

    6000 - 8000 mPa.s at 25℃


    Catalyzed with dibutyl tin diketonoate and secondary amino silane


    Shore A 30 - 40

    Tensile Strength

    1.5 - 3.5 Mpa


    200 - 400%

    Specific Gravity

    1.005 KG/L

    CAS No.

    119791 - 01 -5


The Risun E series low viscosity triethoxy capped polymer is with excellent molecular adhesion, which can meet the requirements of car assembly and electronics products. The sealants made with Risun E series polymer Release a small amount of ethanol gas when curing. Using more eco-friendly dibutyl tin diketonoate as catalyst and secondary amino silane as curing agent reduces the release amount of methanol.
E can also be mixed with, for example, Risun 12000T trimethoxy polymer to make a fast curing system. Only a little of dibutyl tin diketonoate can make curing faster.
  STP Polymer


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