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Rebond Foam Making Liquid MDI Based Polyurethane

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Rebond Foam Making Liquid MDI Based Polyurethane

Brand Name : EXCEEDCHEM

Model Number : MDI based polyurethane preploymer Shore 85A

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

Hardness : Shore A92

Appearance : Liquid

Base : MDI based prepolymer

NCO% : 5.30-5.50

MOCA (%) : 15.4

Packing : 20kg/drum; 200kg/drum

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MDI/Polyether Polyurethane Prepolymer Shore A92

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
  • Castor

4. Typical properties

Type Appearance Viscosity(mPa.s/85℃) NCO% Packing(kg/drum)
Liquid 400-420 5.30-5.50 20/200

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

Item MOCA (%) Gel time(min) Mixing temperature(℃) Post vulcanization(h)
Specification 15.4 3-4 80/120 10

7. Finished products properties

Item Hardness(Shore A) Tensile strength(MPa) Tear strength(KN/m) Rebounding(%)
Physical properties 92 30-33 75-78 31


Product Tags:

Liquid MDI Based Polyurethane

      

Foam Making MDI Polyurethane

      

Rebond Foam MDI Polyurethane

      
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