TDI/Polyester Prepolymer Hardness 96

Product Detail

1. Description

This is a TDI-terminated polyester pre-polymer of low viscosity and easy processing.

 

2. Application

It applies to make PU rods, castor wheels, PU pad, PU sheet, rubber roller, sieve plate, etc.

 

3. Product Specification


NCO Content (%)6.0±0.2
Specific Gravity at 24℃ (g/cm3)1.29
Viscosity at 85℃ (cps)900
Appearance at 25℃White solid



4. Operation introduction

Ratio (Prepolymer/moca )100/17.2
Mix temperature/℃ (Prepolymer/Moca)75/120
Gel time/min5
Postcure (120℃)/h10


5. Physical Properties

Hardness/ shore A96±1
Tensile Strength/ Mpa67
100% Modulus/MPa9.5
300% Modulus/MPa21.3
Elongation at break/%530
Tear strength(without nick) / kN/m124
Rebound/%33
DIN Abrasion/mm357


6. Shelf life

The storage time of original packing is 6 months at the above condition from the date of production.

 

7. Package

20kg or 200kg per steel drum

 

8. Safety

Use in a well ventilated area. Avoid contact with skin using protective gloves and protective clothing. Repeated or prolonged contact on the skin may cause an allergic reaction. Eye protection is extremely important. Always use approved safety glasses or goggles when handling this product.


If Contact Occurs:

Skin: Immediately wash with soap and water. Remove contaminated clothing and launder before reuse. Seek medical attention if allergic reactions occur.

Eyes: Immediately flush with water for at least 15 minutes, contact a physician.

Ingestion: If swallowed, contact a physician immediately. Remove stomach contents by gastric suction or induce vomiting only as directed by medical personnel. Never give anything by mouth to an unconscious person.

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