TPU Covestro 786E

TPU Covestro 786E is material with distinctive properties. Its core advantages are anti‑microbial performance and good hydrolysis resistance, well‑suited for applications requiring sanitary protection or humid‑environment service. Meanwhile, excellent abrasion resistance and mechanical strength make it applicable to high‑durability fields such as automotive components.

Main Applications

Fire hoses, profiles, films, engineering articles, automotive oil seals, gaskets, dust‑boots and other abrasion‑resistant & oil‑resistant parts.

Physical Properties

Property Category	Item	Test Method	Condition	Typical Data	Unit
Physical Properties	Density	ISO 1183	23℃	1.15	g/cm³
	Shore A Hardness	ISO 868	3 s	87	Shore A
	Shore D Hardness	ISO 868	15 s	33	Shore D
Mechanical Properties	Tensile strength at break	DIN 53504	200 mm/min,23℃	39.0	MPa
	Elongation at break	DIN 53504	200 mm/min,23℃	540	%
	300% Modulus	DIN 53504	200 mm/min,23℃	15.8	MPa
	Tear strength	ISO 34‑1	500 mm/min	60	kN/m
	Abrasion loss	ISO 4649‑A	23℃	40	mm³
	Rebound resilience	ISO 4662	—	32	%
	Tensile storage modulus	ISO 6721‑1,‑4	‑20℃	400	MPa
	Tensile storage modulus	ISO 6721‑1,‑4	20℃	35.0	MPa
	Tensile storage modulus	ISO 6721‑1,‑4	60℃	20.0	MPa
Long‑term Properties	Compression set	ISO 815	23℃,72h	25	%
	Compression set	ISO 815	70℃,24h	55	%

Processing Parameters

Process	Parameter	Suggested Value	Unit
Pre‑drying	Drying temperature	＜80	℃
Injection molding	Melt temperature	210‑230	℃
	Mold temperature	20‑40	℃
Extrusion molding	Melt temperature	190‑210	℃
	Drying temperature	＜80	℃

Note: All information above is for reference only!