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Product Details
Polyurethane Prepolymer

PTMEG TDI Polyurethane Prepolymer

  • Key features：
    - Hardness: 80-95A, 70D
    - Curing agent: MOCA
    - Hot cast polyurethane elastomer
    - High tensile strength
    - Good hydrolysis resistance
    - Good mechanical property
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Product Introduction

Application
The polyurethane prepolymer is suitable to be used on the following applications: Bushes, Castor Wheels, Couplings, Conveyor Rollers, Cutting Boards, Fork-lift Tyres, Gears, Grading Screens, Pneumatic and Oil Seals, Scrapers, Skate Wheels, Wire Guides.
Introduction
"PU Casting Elastomer" urethane elastomer is polyurethane prepolymer. It can be cured by reacting with a polyamine or a polyol hardener. The molding process is composed of pre-heating, degassing, mixing with a hardener, pouring into the mold, curing, demolding and post curing.
PTMG + TDI polyurethane prepolymer
  CPU - 42L CPU - 100L CPU - 167L CPU - 325L
Hardness (Shore A) 77 - 89 86 - 92 92- 98 59 - 72D
NCO Content (%) 2.95 - 3.55 4.1 - 4.6 6.0 - 6.6 8.9 - 9.5
Viscosity (CPS/25℃ ) 41,000±9,000 16,000±8,000 10,000±5,000 3,750±1,250
PHR of MOCA (%) 10.2 - 11.2 13.5 - 14.5 18.12 - 19.33 27 - 29
Working Temperature (Prepolymer) (℃) 70 - 80 70 - 80 70 - 80 70 - 80
MOCA Temp. 100 - 120 100 - 120 100 - 120 100 - 120
Mold Temp. (℃) 70 - 90 70 - 90 70 - 90 70 - 90
Pot-Life (Min) 4 - 6 4 - 6 4 - 6 4 - 6
Tensile Strength (kg/cm2) 290 -430 300 - 450 350 - 500 350 - 500
Elongation (%) 545 - 645 400 - 500 350 - 450 250 - 350
Tear Strength (kg/cm) 65 - 105 80 - 120 120 - 160 210 - 260
Notice: These values are based on the test of our present laboratory test specimens.
Taiwan PU Corporation is a professional polyurethane prepolymer manufacturer, polyurethane prepolymer producer. We supply high quality polyurethane prepolymer products, have an experienced technical team and offer the best price to polyurethane prepolymer.

Polyurethane prepolymer is called PU prepolymer, PTMEG TDI PU prepolymer, PTMG TDI polyurethane prepolymer, PTMG TDI PU prepolymer, hot cast PU prepolymer, TDI terminated polyurethane prepolymer, TDI terminated PU prepolymer, hot cast polyurethane prepolymer, polyurethane prepolymer system, hot casting polyurethane prepolymer, hot casting PU prepolymer, PU prepolymer system. If polyurethane prepolymer is needed, please contact us.

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