TPEE Dow‑DuPont 5526

TPEE Dow‑DuPont 5526 is a well‑balanced injection‑molding grade thermoplastic polyester elastomer. Its core advantages lie in good comprehensive performance, high flowability, excellent wear resistance and impact resistance.

Main Applications

Sealing & Damping Parts: Seals, packings, gaskets, etc.

Transmission & Load‑bearing Parts: Gears, bearings, etc.

Industrial Components: Sealing closures, packaging parts, etc.

Physical Properties

Property Category	Test Item	Test Standard	Data / Range	Unit
Physical Properties	Density / Specific Gravity	ASTM D‑792 / ISO 1183	1.19‑1.20	g/cm³
	Melt Flow Rate (MFR)	ASTM D‑1238 (190°C/2.16kg)	18	g/10min
	Melt Volume‑flow Rate (MVR)	ISO 1133 (190°C/2.16kg)	18	cm³/10min
	24‑h Water Absorption	ASTM D‑570	0.5	%
	Shore D Hardness	ASTM D‑2240 / ISO 868	55	—
Mechanical Properties	Tensile Strength at Break	ASTM D‑638 / ISO 527‑2	40‑43	MPa
	Elongation at Break	ASTM D‑638 / ISO 527‑2	500‑780	%
	Flexural Modulus	ASTM D‑790 / ISO 178	190‑207	MPa
	Tear Strength	ASTM D‑1004 / ISO 34‑1	130‑158	kN/m
	Taber Abrasion (CS‑17 wheel)	ASTM D‑1044	7	mg/1000 rev
	Izod Impact Strength (23°C)	ASTM D‑256	No break	—
	Flex‑cut‑growth Resistance	ASTM D‑1052	＞5 × 10⁵	cycles
Thermal Properties	Melting Point	ASTM D‑3418	203	°C
	Vicat Softening Point	ASTM D‑1525 / ISO 306/A50	180	°C
	HDT @0.45 MPa	ISO 75‑2/B	65	°C
	HDT @1.8 MPa	ISO 75‑2/A	45	°C
	HDT @0.5 MPa	ASTM D‑648	90	°C

Processing Technology

Process Parameter	Recommended Value	Unit
Pre‑drying
Temperature	80‑100	°C
Time	2‑4	h
Injection Molding
Rear Barrel Temperature	180‑210	°C
Middle Barrel Temperature	180‑210	°C
Front Barrel Temperature	180‑210	°C
Nozzle Temperature	180‑210	°C
Mold Temperature	20‑60	°C

Note: All information above is for reference only!