Arnitel® EM740-H

Chemical Family: Polyesters

Arnitel® EM740-H is a high-performance thermoplastic copolyester (TPC) renowned 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 can be processed using both extrusion and injection molding technologies and includes heat stabilization for enhanced performance.

Product families

Applications

Consumer Goods — Sports & Recreation

Electrical & Electronics — Wire & Cable

Jacketing & Insulation

Product Families

Elastomers — Thermoplastic Elastomers

Thermoplastic Polyester Elastomers (TPE-E)

Other characteristics

Brand: Arnitel
Density: 1290.0 - 1290.0 kg/m³
Polymer Name: Thermoplastic Copolyester Elastomer (TPC-ET)
Strain at Break: 570.0 - 570.0 %
Flexural Modulus: 940.0 - 940.0 MPa
Processing Methods: Extrusion, Injection Molding
Markets: Consumer Goods
Electrical & Electronics
Technology: Elastomers
Packaging Type: Bags
Boxes
Silos
Super Sacks
Additives Included: Heat Stabilizer
Material Features: Heat Stabilized
Certifications and Compliance: ISO 14001
OHSAS
REACH (Europe)
Plastics and Elastomers Functions: Resin
Plastics and Elastomers Processing Methods: Extrusion
Injection Molding

Technical data

Table 1 of 8

4 rows

Characteristic	Value	Unit	Method
Flexural Modulus	940	MPa	ISO 178
Charpy Impact Strength (at +23°C)	N	kJ/m²	ISO 179/1eU
Charpy Impact Strength (at -30°C)	N	kJ/m²	ISO 179/1eU
Izod Notched Impact Strength (at +23°C)	18	kJ/m²	ISO 180/1A

Table 2 of 8

2 rows

Characteristic	Value	Unit	Method
Melting Temperature (10°C/min)	221	°C	ISO 11357-1/-3
Glass Transition Temperature from DMTA (E)	110	°C	ASTM D5026/D7028

Table 3 of 8

3 rows

Characteristic	Value	Unit	Method
Relative Permittivity (1 MHz)	3.8	—	IEC 62631-2-1
Volume Resistivity	>1E13	Ohm*m	IEC 62631-3-1
Comparative Tracking Index	600	V	IEC 60112

Table 4 of 8

3 rows

Characteristic	Value	Unit	Method
Water Absorption	0.6	%	Sim. to ISO 62
Humidity Absorption	0.15	%	Sim. to ISO 62
Density	1290	kg/m³	ISO 1183

Table 5 of 8

4 rows

Characteristic	Value	Unit	Method
Stress at Break (normal)	58	MPa	ISO 527-1/-2
Strain at Break (normal)	570	%	ISO 527-1/-2
Tear Strength (normal)	224	kN/m	ISO 34-1; Method B
Tear Strength (parallel)	228	kN/m	ISO 34-1; Method B

Table 6 of 8

8 rows

Characteristic	Value	Unit	Method
Tensile Modulus	900	MPa	ISO 527-1/-2
Stress at 10% strain	33	MPa	ISO 527-1/-2
Stress at 100% strain	28	MPa	ISO 527-1/-2
Stress at Break	45	MPa	ISO 527-1/-2
Strain at Break	>300	%	ISO 527-1/-2
Nominal Strain at Break	360	%	ISO 527-1/-2
Compression Set Under Constant Strain (at 70°C)	55	%	ISO 815
Shore D Hardness (3s)	71	—	ISO 868

Table 7 of 8

1 row

Characteristic	Value	Unit	Method
Melt Volume-Flow Rate (at 230 / * °C, 2.16 / * kg)	4	cm³/10min	ISO 1133

Химическая стойкость

24 rows

Characteristic	Value	Unit
Other	Acetic acid (10% by mass) at 23°C	resistant
Ketones	Acetone at 23°C	resistant
Other	Ammonium hydroxide (10% by mass) at 23°C	limited resistant, tests necessary to verify
Other	ASTM 1 at 23°C	resistant
Other	ASTM 3 at 23°C	resistant
Other	Brake fluids (DOT 3/4) at 23°C	not resistant
Other	Calcium chloride (10% by mass) at 23°C	limited resistant, tests necessary to verify
Other	Chloroform at 23°C	not resistant
Ethers	Diethyl ether at 23°C	limited resistant, tests necessary to verify
Alcohols	Ethanol at 23°C	limited resistant, tests necessary to verify
Other	Ethyl Acetate at 23°C	limited resistant, tests necessary to verify
Other	Fuel; Diesel at 85°C	resistant