Arnitel® HM7118

Chemical Family: Polyesters

Arnitel® HM7118 is a high-performance thermoplastic copolyester (TPC) known for its exceptional blend of flexibility, high temperature resistance, and strength, complemented by excellent processing characteristics. In industries spanning from automotive to E&E, it is gaining prominence as a more sustainable and efficient alternative to traditional rubbers, leading to reduced environmental impact and lower system costs. This material is suitable for processing using injection molding technology.

Product families

Applications

Automotive & Transportation — Automotive

Cooling & Climate

Product Families

Elastomers — Thermoplastic Elastomers

Thermoplastic Polyester Elastomers (TPE-E)

Other characteristics

Brand: Arnitel
Density: 950.0 - 950.0 kg/m³
Polymer Name: Thermoplastic Copolyester Elastomer (TPC-ET)
Strain at Break: 650.0 - 650.0 %
Processing Methods: Injection Molding
Markets: Automotive & Transportation
Technology: Elastomers
Packaging Type: Bags
Boxes
Silos
Super Sacks
Certifications and Compliance: ISO 14001
OHSAS
REACH (Europe)
Plastics and Elastomers Functions: Resin
Plastics and Elastomers Processing Methods: Injection Molding

Technical data

Table 1 of 7

3 rows

Characteristic	Value	Unit	Method
Charpy Notched Impact Strength (at +23°C)	N	kJ/m²	ISO 179/1eA
Charpy Notched Impact Strength (at -30°C)	N	kJ/m²	ISO 179/1eA
Izod Notched Impact Strength (at +23°C)	N	kJ/m²	ISO 180/1A

Table 2 of 7

5 rows

Characteristic	Value	Unit	Method
Melting Temperature (10°C/min)	195	°C	ISO 11357-1/-3
Glass Transition Temperature (at 10°C/min)	-45	°C	ISO 11357-1/-2
Glass Transition Temperature from DMTA (tan d)	-74	°C	ASTM D5026/D7028
Coefficient of Linear Thermal Expansion (parallel)	2.2	E-4/°C	ISO 11359-1/-2
Coefficient of Linear Thermal Expansion (normal)	2.2	E-4/°C	ISO 11359-1/-2

Table 3 of 7

1 row

Characteristic	Value	Unit
Density of Melt	905	kg/m³

Table 4 of 7

2 rows

Characteristic	Value	Unit	Method
Water Absorption	0.8	%	Sim. to ISO 62
Density	950	kg/m³	ISO 1183

Table 5 of 7

4 rows

Characteristic	Value	Unit	Method
Tensile Modulus	20	MPa	ISO 527-1/-2
Stress at Break	9	MPa	ISO 527-1/-2
Nominal Strain at Break	650	%	ISO 527-1/-2
Shore D Hardness (3s)	25	—	ISO 868

Table 6 of 7