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Bonding Chemical Shore A85 MDI Based Polyurethane

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Bonding Chemical Shore A85 MDI Based Polyurethane

Brand Name : EXCEEDCHEM

Model Number : MDI based polyurethane preploymer Shore A85

Certification : ISO9001:2008

Place of Origin : China

MOQ : 1mt

Price : FOB Qingdao usd3.0/kg

Payment Terms : L/C, T/T

Supply Ability : 3000mt/month

Delivery Time : 5-8 work days

Packaging Details : 20kg/drum; 200kg/drum

MOCA : 12.8-13.3%

Hardness : Shore 85A

Packing : 20kg/drum; 200kg/drum

Appearance : Liquid

Base : MDI based

NCO : 4.5-4.7%

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MDI/Polyether Polyurethane Prepolymer Shore A85

1. Description


This is a MDI based polyether polyurethane prepolymer.


2. Characteristics

  • Water resistance
  • Low temperature resistance
  • Mold resistance

3. Applications

  • Roller
  • Plate and bar
  • Sealing ring

4. Typical properties

TypeAppearanceViscosity(mPa.s/85℃)NCO%Packing(kg/drum)
Liquid280-3004.50-4.7020/200

5. Operating Procedure


First, the prepolymer should be preheated in 80-85℃. Second, after vacumming, the prepolymer is to be mixed with melting MOCA evenly. Third, with degassing, casting into mould, and vulcanization,and then demould. Lastly, the finished product should be post vulcanized.


6. Reaction parameters


ItemMOCA (%)Gel time(min)Mixing temperature(℃)Post vulcanization(h)
Specification12.8-13.33.5-4.080/12010

7. Finished products properties


ItemHardness(Shore A)Tensile strength(MPa)Tear strength(KN/m)Rebounding(%)
Physical properties8520-2250-6027


Product Tags:

Shore A85 MDI Based Polyurethane

      

Bonding MDI Based Polyurethane

      

Shore A85 MDI Polyurethane

      
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