TPU Covestro 9370AU

TPU Covestro 9370AU is well‑balanced polyether‑based TPU. It features outstanding hydrolysis resistance, anti‑microbial property and favorable low‑temperature flexibility. It is ideal for applications requiring sanitary protection or working under humid and low‑temperature conditions.

Main Applications

Breathable films, hoses, sports shoe soles, cable sheaths, medical and sports articles.

Physical Properties

Property Category	Item	Test Method	Condition	Typical Data	Unit
Physical Properties	Density	ISO 1183	23℃	1.06	g/cm³
	Shore A Hardness	ISO 868 / DIN ISO 7619‑1	1 s / 3 s	70	Shore A
Mechanical Properties	Tensile strength at break	DIN 53504 / ISO 527	200 mm/min	25.7‑27	MPa
	Elongation at break	DIN 53504 / ISO 527	200 mm/min	738‑800	%
	100% Modulus	DIN 53504	200 mm/min	1.0‑2.4	MPa
	300% Modulus	DIN 53504	200 mm/min	4.3‑6.7	MPa
	Tear strength	ISO 34‑1	500 mm/min	39	kN/m
	Abrasion loss	ISO 4649‑A	—	69	mm³
	Rebound resilience	ISO 4662	—	63	%
Thermal Properties	Tensile storage modulus	ISO 6721	‑20℃	125	MPa
	Tensile storage modulus	ISO 6721	20℃	11.0	MPa
	Tensile storage modulus	ISO 6721	60℃	9.0	MPa
Long‑term Properties	Compression set	ISO 815	23℃,72h	22	%
	Compression set	ISO 815	70℃,24h	49‑51	%

Processing Parameters

Process	Parameter	Suggested Value	Unit
Injection molding	Melt temperature	190‑210	℃
	Mold temperature	20‑40	℃
Extrusion molding	Melt temperature	175‑210	℃

Note: All information above is for reference only!