Economical Polyester Performance

Sampo EST

Sampo EST combines economic efficiency with solid mechanical performance.

EST 88A EST 89A EST 92A
Available grades

Three standard grades at a glance.

Sampo EST is supplied exclusively as diced granulate. This is the only way we can guarantee peak performance.

EST 88A
Hardness Shore A87
Hardness Shore D–
Tensile strength60 MPa
Elongation at break600 %
Modulus 100 %7 MPa
Tear strength40 kN/m
Abrasion39 mm³
Compression set33 %
EST 89A
Hardness Shore A89
Hardness Shore D55
Tensile strength60 MPa
Elongation at break450 %
Modulus 100 %7 MPa
Tear strength40 kN/m
Abrasion37 mm³
Compression set28 %
EST 92A
Hardness Shore A92
Hardness Shore D50
Tensile strength55 MPa
Elongation at break550 %
Modulus 100 %9 MPa
Tear strength–
Abrasion52 mm³
Compression set22 %

Test standards: Hardness DIN EN ISO 868 (3″ / 15″) · Tensile strength, elongation at break and modulus 100 % DIN 53504 (23 °C) · Tear strength DIN ISO 34-1 (23 °C) · Abrasion ISO 4649 (23 °C) · Compression set DIN ISO 815-1 (24 h, 70 °C, 25 %)

Properties

What sets Sampo EST apart.

As a modified polyester TPU with built-in hydrolysis protection, Sampo EST offers reliable properties for price-driven applications with moderate thermal and moisture loads.

High mechanical strength and abrasion resistance

Good resistance to oils, fuels and many chemicals

High load capacity and dimensional stability

Fields of application

Where Sampo EST is used.

A typical application is scrapers for coarse dirt and deposits, such as component scrapers on injection moulding or forming tools.

Wear parts and heavy-duty components

Technical seals and profiles

Drive and conveyor elements

Not sure whether Sampo EST fits?

Our standard grades are shown online. Beyond these, much more is available on request. Tell us about your application and we will recommend the right grade.

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