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Product Details
Millable Polyurethane Rubber

Millable Polyurethane Rubber

  • Key features:
    - Hardness: 50-90A
    - Appearance: White to cream color solid
    - Can be processed by conventional rubber
       manufacturing equipment
    - Harmless to human beings
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Product Introduction

Application
Seal, seal material. mechanical shock buffer material and parts of electronics industries and so on.
Introduction
UR SERIES is Polyester urethane rubber, which is an easy to process millable gum especially developed for improved compounding and processing benefits. It can be processed and compounded by the use of conventional rubber manufacturing equipment and techniques to yield finished urethane parts.
Technical Data
Chemical type Polyester urethane
Physical form Solid
Color White to cream
Odor Faint, characteristic
Specific gravity 1.15
Mooney viscosity (ML 1-4 at 100℃) 35-65
Storage stability Excellent
Health hazard None
Typical Physical Properties
Series UR. MPU50 MPU60 MPU70 MPU80 MPU90
Hardness, Shore A 50 60 70 80 90
Tensile Strength, psi 3900 3360 2820 1830 1100
300% Modulus, psi 480 580 1100 1400 900
Elongation, % 700 640 600 420 310
Tear ( Die C) pli 180 220 245 270 165
Compression Set 22hrs. @ 158℉ 49 62 70 96 98
Molding
Compounds of URETHANE RUBBER (millable polyurethane rubber) can be molded by compression, injection and transfer molding procedures. Excellent mold definition is obtainable in press cures. The linear shrinkage of vulcanized of UR varies somewhat with the type of loading, but in general this value is approximately 1.5%, which is comparable to that of neoprene.

Optimum press cures are obtained with peroxide curing system, temperatures from 305℉ to 340℉ with cycles ranging from 4 to 5 minutes.

Excellent mold release is provided by lubricant or silicone mold release lubricants, but indiscriminate use can cause poor flow and knitting problems.
Notice: These values are based on the test of our present laboratory test specimens.
Taiwan PU Corporation is a professional millable polyurethane rubber manufacturer, millable polyurethane rubber producer. We supply high quality millable polyurethane rubber products, have an experienced technical team and offer the best price to millable polyurethane rubber.

Millable polyurethane rubber is called millable PU rubber, millable PU, millable polyurethane, millable PU rubber compound. If millable polyurethane rubber is needed, please contact us.