China TDI MDI Polyurethane manufacturer
Qingdao Exceed Fine Chemicals Co.,Ltd
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Rebond Foam Making Liquid MDI Based Polyurethane

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
Minimum Order Quantity 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
Detailed Product Description

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

TypeAppearanceViscosity(mPa.s/85℃)NCO%Packing(kg/drum)
 Liquid400-4205.30-5.5020/200

 

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)
Specification15.43-480/12010

 

 

7. Finished products properties

 

ItemHardness(Shore A)Tensile strength(MPa)Tear strength(KN/m)Rebounding(%)
Physical properties9230-3375-7831

 

 
Product Tags: Liquid MDI Based Polyurethane   Foam Making MDI Polyurethane   Rebond Foam MDI Polyurethane  
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