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Home > Products > TDI Based Polyurethane > TDI 80/20 PPG Prepolymer The Preparation Of PU Bars Raw Material

TDI 80/20 PPG Prepolymer The Preparation Of PU Bars Raw Material

Product Details

Place of Origin: China

Brand Name: EXCEEDCHEM

Certification: ISO9001:2008

Model Number: TDI-80/Polyether Polyurethane Prepolymer Shore A95-97

Payment & Shipping Terms

Minimum Order Quantity: 1mt

Price: FOB Qingdao usd3.0/kg

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

Delivery Time: 5-8 work days

Payment Terms: L/C, T/T

Supply Ability: 3000mt/month

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Highlight:

584 84 9 Tdi T80 Polyurethane

,

Modification Agent T80 Polyurethane

,

584 84 9 T80 Polyurethane

NCO%:
6.50-6.70
MOCA%:
18.8-19.2
Hardness:
Shore A95-97
Base:
TDI-80/Polyether
Color:
Colorless Liquid
CAS NO:
584-84-9
NCO%:
6.50-6.70
MOCA%:
18.8-19.2
Hardness:
Shore A95-97
Base:
TDI-80/Polyether
Color:
Colorless Liquid
CAS NO:
584-84-9
TDI 80/20 PPG Prepolymer The Preparation Of PU Bars Raw Material

TDI 80 Polyurethane Prepolymer Used In The Preparation Of PU Bars

 

1. Description

 

This is a TDI-80 based polyether polyurethane prepolymer.

 

2. Characteristics

 

  • Water resistance
  • Low temperature resistance
  • Mold resistance

3. Applications

  • Roller
  • Plate and bar
  • Sealing ring

4. Typical properties

Type Appearance Viscosity(mPa.s/85℃) NCO% Packing(kg/drum)
  Liquid 300-330 6.50-6.70 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 18.8-19.2 2.5-3 80/120 10

 

 

7. Finished products properties

 

Item Hardness(Shore A) Tensile strength(MPa) Tear strength(KN/m) Rebounding(%)
Physical properties 95-97 35-36 95-100 41

 

 

Overall Rating

5.0
Based on 50 reviews for this supplier

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All Reviews

P
P*y
Italy Jan 23.2026
Fast response speed, a pleasant collaboration
R
Rubber to Metal Bonding Primer 815GB Alternative of Chemlok 205
Thailand Apr 16.2025
Excellent product! It is a good replacement of Chemlok 205.
R
Replacement of Chemosil 411 Heat Vulcanization Adhesive 829GB
Saudi Arabia Dec 2.2024
829GB works well. We apply between cured rubber sheet to steel as a strong adhasive..specially to steel roller and lining of tanks to protect steel from different liquid chemicals and other similar use.