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Contact Details:

Eurothane Ltd
Smithend Green
Leigh Sinton
Malvern
Worcestershire
WR13 5DG
UK
Tel: 0772 591 5981
E-mail info@eurothane.com

 
 
Polyester
 

Polyester

High mechanical strength and abrasion resistance for applications such as shoe heels, castor tyres and transmission belts. This series of products offers a low cost option.

We invite you to put our expertise in the areas of polyurethane to work for you. Our manufacturing capabilities and services include assisting in polyurethane customising of formulations and utilising processing innovations that are unique to the industry. If Polyester matches your needs from the table below please contact us to discuss further.

Polyester DIN 175 ABE 185 ABE 190 ABE 195 ABE 160 DBE 170 DBE 175 DBE
Hardness Shore A/D 53505 76A 85A 91A 96A 60D 70D 75D
Sp Gravity     1.21 1.22 1.23 1.23 1.24 1.25 1.26
Tensile Strength MPa 53504 47 52 54 54 55 55 50
Elong. at Break % 53504 650 550 525 500 450 400 300
Tensile modulus
at 100% elongation
MPa 53504 5 8 9.5 12 19 25 30
Tensile modulus
at 300% elongation
MPa 53504 12 15 17 20 27 37 50
Abrasion Resistance mm3 53516 40 40 40 35 30 30 30
Tear Strength kN/m 53515 75 95 115 125 145 180 225
Compression Set
23ºC for 70 hrs
70ºC for 20 hrs
% 53517 30
40
25
40
30
45
30
45
40
55
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-
-
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Physical Property Definitions

Hardness

The relative resistance of a material's surface to indentation by an indentor of specified dimensions under a specified load. Numerical hardness values represent either depth of penetration or convenient arbitrary units derived from depth of penetration. The hardness of elastomers is measured in the SHORE A and D scales, according to DIN 53505

Tensile Properties

Tensile properties are a measure of the force necessary to stretch a plastic and the percentage of stretching the plastic can withstand before breaking. Measurements are conducted according to DIN 53504.

  • Tensile modulus indicates the amount of force necessary to elongate a sample by, say, 100% and 300% of its original length.
  • Ultimate tensile strength is the maximum stress a material withstands at the point of rupture.
  • Elongation at break is the total elongation of a sample at the point of rupture.

Tear Strength

Tear resistance is the force per unit of thickness required to initiate and propagate a tear in a direction perpendicular to the direction of the applied stress. It is measured according to DIN 53515

DIN Abrasion

This measures the resistance of a material to wearing away by contact with a rotating abrasive cylinder of a specified coarseness, under a specified load. It is measured according to DIN 53516

Compression Set

In this test the specimen is compressed by 20% or 25% of its original thickness (depending on hardness) and subjected to specified temperatures for specified times, e.g. 22 hrs @ 70ºC. The compression set figure is the difference between the original thickness of the specimen and the thickness after testing, expressed as a percentage of the original deflection employed.

Please Note: Eurothane carries out its physical property evaluation on specimens which have been dry heat annealed for 16 hours at 100ºC.

 

 

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