Hardness 90

Product Detail

1. Description

This is a TDI-terminated polyether pre-polymer which has low viscosity allows it to be processed at reduced temperature for the better heat stability and long pot life. It enjoys a high performance, 90A hardness when cured with MOCA.

 

2. Application

It applies to make PU rods, castor wheels, PU pad, PU sheet, etc.

 

3. Product Specification

NCO Content (%)5.0±0.2
Density 25℃ (g/cm3)1.15
Viscosity at 85℃ (cps)400
Appearance at 25℃Transparent liquid

 

4. Operation introduction 

Ratio (Prepolymer/moca )100/14.5
Mix temperature/℃ (Prepolymer/Moca)80/120
Gel time/min3.5
Postcure (120℃)/h10

 

5. Physical Properties

Hardness/ shore A90±1
Tensile Strength/ Mpa31
100% Modulus/MPa8.9
300% Modulus/MPa14.6
Elongation at break/%460
Tear strength(without nick) / kN/m73
Rebound/%30
DIN Abrasion/mm3135

 

6. Shelf life

The storage time of original packing is 6 month 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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