Arnitel® PL381-H

Chemical Family: Polyesters

Arnitel® PL381-H 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 such as automotive and E&E, Arnitel® PL381-H is increasingly adopted 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 injection molding technology and includes heat stabilization for enhanced performance in demanding applications.

Product families

Applications

Automotive & Transportation — Automotive

Chassis & Brake
Exterior & Body

Product Families

Elastomers — Thermoplastic Elastomers

Thermoplastic Polyester Elastomers (TPE-E)

Other characteristics

Brand: Arnitel
Density: 1160.0 - 1160.0 kg/m³
End Uses: Automotive Exterior Parts
Polymer Name: Thermoplastic Copolyester Elastomer (TPC-ET)
Strain at Break: 810.0 - 810.0 %
Flexural Modulus: 45.0 - 45.0 MPa
Processing Methods: Injection Molding
Markets: Automotive & Transportation
Technology: Elastomers
OEM Standards: Chrysler
Packaging Type: Bags
Boxes
Silos
Super Sacks
Labeling Claims: Phosphorus-free
Additives Included: Heat Stabilizer
OEM Specifications: CHRYSLER MS-DB-448 CPN4758
Body Plugs Application Data: Arnitel® offers the best combination of peak temperature, flexibility and processability. Arnitel® has a proven portfolio of grades suitable for different types of bodyplugs
Certifications and Compliance: ISO 14001
OHSAS
REACH (Europe)
Plastics and Elastomers End Uses: Automotive Exterior Parts
Plastics and Elastomers Functions: Resin
Plastics and Elastomers Processing Methods: Injection Molding

Technical data

Table 1 of 8

9 rows

Characteristic	Value	Unit	Method
Flexural Modulus	45	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
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
Izod Notched Impact Strength (at -20°C)	N	kJ/m²	ISO 180/1A
Izod Notched Impact Strength (at -30°C)	N	kJ/m²	ISO 180/1A
Tensile Notched Impact Strength (at +23°C)	179	kJ/m²	ISO 8256/1

Table 2 of 8

4 rows

Characteristic	Value	Unit	Method
Melting Temperature (10°C/min)	212	°C	ISO 11357-1/-3
Vicat Softening Temperature (50°C/h 10N)	124	°C	ISO 306
Coefficient of Linear Thermal Expansion (parallel)	1.5	E-4/°C	ISO 11359-1/-2
Coefficient of Linear Thermal Expansion (normal)	1.5	E-4/°C	ISO 11359-1/-2

Table 3 of 8

7 rows

Characteristic	Value	Unit	Method
Relative Permittivity (100Hz)	4.7	—	IEC 62631-2-1
Relative Permittivity (1 MHz)	4.4	—	IEC 62631-2-1
Dissipation Factor (100 Hz)	310	E-4	IEC 62631-2-1
Dissipation Factor (1 MHz)	810	E-4	IEC 62631-2-1
Volume Resistivity	1E12	Ohm*m	IEC 62631-3-1
Electric Strength	20	kV/mm	IEC 60243-1
Comparative Tracking Index	600	V	IEC 60112

Table 4 of 8

3 rows

Characteristic	Value	Unit	Method
Water Absorption	7	%	Sim. to ISO 62
Humidity Absorption	0.4	%	Sim. to ISO 62
Density	1160	kg/m³	ISO 1183

Table 5 of 8