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Home > products > MDI Based Polyurethane > White Solid MDI / Polyester Prepolymer Hardness 90 For PU Rods

White Solid MDI / Polyester Prepolymer Hardness 90 For PU Rods

Product Details

Place of Origin: China

Brand Name: EXCEEDCHEM

Certification: ISO9001:2008

Model Number: ME1790

Payment & Shipping Terms

Minimum Order Quantity: 1mt

Price: 2.0usd /kg

Packaging Details: 20kg/drum

Delivery Time: 5-7 work days

Payment Terms: L/C, T/T

Supply Ability: 1000mt/month

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Highlight:

Polyester Prepolymer Hardness 90

,

MDI Prepolymer Hardness 90

,

PU Rods MDI Prepolymer

Appearance At 25℃:
White Solid
Hardness/ Shore A:
90±1
Rebound/%:
35
Tensile Strength/ Mpa:
46
Shelf Life:
6 Months
Packing:
20kg Or 200kg Per Steel Drum
Appearance At 25℃:
White Solid
Hardness/ Shore A:
90±1
Rebound/%:
35
Tensile Strength/ Mpa:
46
Shelf Life:
6 Months
Packing:
20kg Or 200kg Per Steel Drum
White Solid MDI / Polyester Prepolymer Hardness 90 For PU Rods

White Solid MDI/Polyester Prepolymer Hardness 90

 

1.Description

This is an MDI-terminated PET prepolymer of low viscosity and easy processing. It enjoys a high performance and high abrasion resistance.

 

2. Application

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

 

3. Product Specification

 

NCO Content (%) 7.5±0.2
Density (25℃)/(g/cm3) 1.26
Viscosity at 85℃ (Mpa.s) 1200
Appearance at 25℃ White solid

 

4. Operation introduction

 

Ratio (Prepolymer/1,4BDO) 100/7.8
Mix temperature/℃ (Prepolymer/1,4BDO) 80/40
Gel time/min 8
Postcure (110℃)/h 48

 

5. Physical Properties

 

Hardness/ shore A 90±1
Tensile Strength/ Mpa 46
100% Modulus/MPa 8.6
300% Modulus/MPa 19.7
Elongation at break/% 580
Tear strength (without nick) / kN/m 117
Tear strength (with nick) / kN/m 56
Rebound/% 35
DIN Abrasion(mm3) 35

 

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.