Technical Data – Material Properties

plastic resin
molecule

Material Properties of
Most Common Plastics Used in Injection Molding

Disclaimer

It is important to note that the material properties listed in the tables are generalizations and may not reflect the specific properties of a particular manufacturer’s product. For specific applications, it is recommended that the manufacturer’s data sheet be consulted for the most accurate and up-to-date information on the properties of their product. The user should also consider any other factors that may affect the performance of the material in their application, such as processing conditions, environmental factors, and intended use. The user assumes all risks and liabilities associated with the use of any material, including those listed in the tables, and should conduct thorough testing and analysis to ensure that the material is suitable for their specific application.

ABS - Acrylonitrile Butadiene Styrene
Tensile Strength 29 – 65 MPa
Flexural Modulus 2.1 – 2.8 GPa
Density 1.03 – 1.21 g/cm³
Notched Izod Impact 2.2 – 8.1 J/cm
Hardness (Shore D) 70 – 110
Melting Temperature 190 – 240 °C
Glass Transition Temperature 105 °C
Thermal Conductivity 0.15 – 0.2 W/m·K
Coefficient of Thermal Expansion 70 – 120 x 10^-6/K
Water Absorption 0.2 – 0.9 %
Flammability UL 94 HB, V-0 or V-1
Acetal (POM) - Polyoxymethylene
Tensile Strength 50 – 80 MPa
Flexural Modulus 2.2 – 3.5 GPa
Density 1.38 – 1.42 g/cm³
Notched Izod Impact 0.5 – 1.5 J/cm
Hardness (Rockwell M) 80 – 115
Melting Temperature 165 – 175 °C
Glass Transition Temperature -60 °C
Thermal Conductivity 0.25 – 0.4 W/m·K
Coefficient of Thermal Expansion 80 – 110 x 10^-6/K
Water Absorption 0.2 – 0.8 %
Flammability UL 94 HB, V-2 or V-0
AEPS - Acrylonitrile Ethylene Propylene Styrene
Tensile Strength 10 – 27 MPa
Flexural Modulus 0.8 – 2.1 GPa
Density 0.85 – 1.1 g/cm³
Notched Izod Impact 4.5 – 16 J/cm
Hardness (Shore D) 50 – 80
Melting Temperature 80 – 120 °C
Glass Transition Temperature -60 °C
Thermal Conductivity 0.15 – 0.25 W/m·K
Coefficient of Thermal Expansion 100 – 200 x 10^-6/K
Water Absorption 0.2 – 0.5 %
Flammability UL 94 HB or V-0
ASA - Acrylonitrile Styrene Acrylate
Tensile Strength 30 – 55 MPa
Flexural Modulus 1.8 – 3.5 GPa
Density 1.05 – 1.15 g/cm³
Notched Izod Impact 5 – 15 J/cm
Hardness (Rockwell M) 80 – 105
Melting Temperature 100 – 125 °C
Glass Transition Temperature -50 °C
Thermal Conductivity 0.15 – 0.25 W/m·K
Coefficient of Thermal Expansion 60 – 100 x 10^-6/K
Water Absorption 0.2 – 0.4 %
Flammability UL 94 HB or V-0
CA - Cellulose Acetate
Tensile Strength 50 – 80 MPa
Flexural Modulus 2.5 – 4.0 GPa
Density 1.27 – 1.32 g/cm³
Notched Izod Impact 1 – 2 J/cm
Hardness (Rockwell M) 95 – 105
Melting Temperature 200 – 280 °C
Glass Transition Temperature 90 – 110 °C
Thermal Conductivity 0.1 – 0.2 W/m·K
Coefficient of Thermal Expansion 70 – 120 x 10^-6/K
Water Absorption 2 – 3 %
Flammability UL 94 V-2 or V-0
CAB - Cellulose Acetate Butyrate
Tensile Strength 29 – 55 MPa
Flexural Modulus 1.9 – 3.8 GPa
Density 1.18 – 1.26 g/cm³
Notched Izod Impact 5 – 20 J/cm
Hardness (Rockwell M) 55 – 85
Melting Temperature 130 – 140 °C
Glass Transition Temperature 35 – 55 °C
Thermal Conductivity 0.15 – 0.20 W/m·K
Coefficient of Thermal Expansion 80 – 110 x 10^-6/K
Water Absorption 0.4 – 1.2 %
Flammability UL 94 HB
EPDM - Ethylene Propylene Diene Monomer
Tensile Strength 7 – 20 MPa
Elongation at Break 250 – 700%
Modulus of Elasticity 3 – 10 MPa
Density 0.86 – 0.87 g/cm³
Hardness (Shore A) 40 – 90
Melting Temperature N/A (Thermoset)
Glass Transition Temperature -54 to -50 °C
Thermal Conductivity 0.17 – 0.25 W/m·K
Coefficient of Thermal Expansion 120 – 190 x 10^-6/K
Water Absorption <1%
Flammability UL 94 HB
EVA - Ethylene Vinyl Acetate
Tensile Strength 7 – 20 MPa
Elongation at Break 200 – 900%
Modulus of Elasticity 50 – 300 MPa
Density 0.92 – 0.96 g/cm³
Hardness (Shore A) 25 – 95
Melting Temperature 70 – 80 °C
Glass Transition Temperature -40 to -20 °C
Thermal Conductivity 0.3 – 0.4 W/m·K
Coefficient of Thermal Expansion 180 – 250 x 10^-6/K
Water Absorption <1%
Flammability UL 94 HB
FEP - Fluorinated Ethylene Propylene
Tensile Strength 15 – 25 MPa
Elongation at Break 250 – 350%
Modulus of Elasticity 500 – 700 MPa
Density 2.12 – 2.17 g/cm³
Hardness (Shore D) 55 – 65
Melting Temperature 260 °C
Glass Transition Temperature -100 to -80 °C
Thermal Conductivity 0.2 – 0.3 W/m·K
Coefficient of Thermal Expansion 80 – 120 x 10^-6/K
Water Absorption <0.01%
Flammability UL 94 V-0
HDPE - High Density Polyethylene
Tensile Strength 25 – 40 MPa
Elongation at Break 10 – 20%
Modulus of Elasticity 0.8 – 1.5 GPa
Density 0.94 – 0.97 g/cm³
Hardness (Shore D) 61 – 65
Melting Temperature 120 – 180 °C
Glass Transition Temperature -125 °C
Thermal Conductivity 0.3 – 0.5 W/m·K
Coefficient of Thermal Expansion 120 – 180 x 10^-6/K
Water Absorption <0.01%
Flammability UL 94 HB
LCP - Liquid Crystal Polymer
Tensile Strength 110 – 220 MPa
Elongation at Break 2 – 3%
Modulus of Elasticity 12 – 20 GPa
Density 1.4 – 1.6 g/cm³
Hardness (Rockwell) 90 – 110 HR
Melting Temperature 270 – 350 °C
Glass Transition Temperature 200 – 250 °C
Thermal Conductivity 0.2 – 0.4 W/m·K
Coefficient of Thermal Expansion 15 – 20 x 10^-6/K
Water Absorption <0.1%
Flammability UL 94 V-0
LDPE - Low Density Polyethylene
Tensile Strength 10 – 17 MPa
Elongation at Break 100 – 1000%
Modulus of Elasticity 0.1 – 0.4 GPa
Density 0.91 – 0.94 g/cm³
Hardness (Shore D) 42 – 48
Melting Temperature 105 – 115 °C
Glass Transition Temperature -120 °C
Thermal Conductivity 0.3 – 0.4 W/m·K
Coefficient of Thermal Expansion 100 – 200 x 10^-6/K
Water Absorption <0.01%
Flammability V-2, V-1, V-0
LSR - Liquid Silicone Rubber
Tensile Strength 6 – 12 MPa
Elongation at Break 200 – 800%
Modulus of Elasticity 1 – 5 MPa
Density 1.10 – 1.40 g/cm³
Hardness (Shore A) 29495
Melting Temperature -50 °C
Glass Transition Temperature -120 °C
Thermal Conductivity 0.16 – 0.25 W/m·K
Coefficient of Thermal Expansion 160 x 10^-6/K
Water Absorption <1%
Flammability UL 94 V-0
PA (Nylon) - Polyamide
Tensile Strength 50 – 100 MPa
Elongation at Break 10 – 40%
Modulus of Elasticity 2 – 5 GPa
Density 1.01 – 1.15 g/cm³
Hardness (Shore D) 70 – 85
Melting Temperature 220 – 280 °C
Glass Transition Temperature 50 – 90 °C
Thermal Conductivity 0.25 – 0.35 W/m·K
Coefficient of Thermal Expansion 50 – 110 x 10^-6/K
Water Absorption 2 – 9%
Flammability UL 94 HB/HB/V-2
PAI - Polyamide-imide
Tensile Strength 100 – 140 MPa
Elongation at Break 5 – 10%
Modulus of Elasticity 4 – 6 GPa
Density 1.3 – 1.4 g/cm³
Hardness (Shore D) 80 – 90
Melting Temperature 285 – 340 °C
Glass Transition Temperature 200 – 240 °C
Thermal Conductivity 0.3 – 0.4 W/m·K
Coefficient of Thermal Expansion 20 – 30 x 10^-6/K
Water Absorption <0.2%
Flammability UL 94 V-0
PAS - Polyarylsulfone
Tensile Strength 70 – 100 MPa
Elongation at Break 2 – 5%
Modulus of Elasticity 2.8 – 3.3 GPa
Density 1.35 – 1.4 g/cm³
Hardness (Shore D) 78 – 85
Melting Temperature 300 – 315 °C
Glass Transition Temperature 190 – 215 °C
Thermal Conductivity 0.2 – 0.3 W/m·K
Coefficient of Thermal Expansion 55 – 60 x 10^-6/K
Water Absorption <0.2%
Flammability UL 94 V-0
PBT - Polybutylene Terephthalate
Tensile Strength 50 – 100 MPa
Elongation at Break 2 – 4%
Modulus of Elasticity 2.1 – 2.7 GPa
Density 1.31 – 1.37 g/cm³
Hardness (Shore D) 75 – 85
Melting Temperature 225 – 235 °C
Glass Transition Temperature 35 – 60 °C
Thermal Conductivity 0.2 – 0.3 W/m·K
Coefficient of Thermal Expansion 50 – 80 x 10^-6/K
Water Absorption <0.2%
Flammability UL 94 V-0
PC - Polycarbonate
Tensile strength 55-100 MPa
Elongation at Break 90-150%
Modulus of Elasticity 2.1-2.4 GPa
Density 1.2-1.4 g/cm³
Hardness (Shore D) 80-90
Melting Temperature 220-230°C
Glass Transition Temperature 147-155°C
Thermal Conductivity 0.2-0.3 W/m·K
Coefficient of Thermal Expansion 65-70 x 10^-6/°C
Water Absorption 0.15-0.35%
Flammability (UL94) V-0, V-1, V-2
PC/ABS - Polycarbonate/Acrylonitrile Butadiene Styrene
Tensile Strength 45-80 MPa
Elongation at Break 10-50%
Modulus of Elasticity 1.9-2.5 GPa
Density 1.03-1.23 g/cm³
Hardness (Shore D) 75-90
Melting Temperature 215-245°C
Glass Transition Temperature -50 to 105°C
Thermal Conductivity 0.2-0.3 W/m·K
Coefficient of Thermal Expansion 70-90 x 10^-6/°C
Water Absorption 0.2-0.8%
Flammability (UL94) V-0, V-1, V-2
PE - Polyethylene
Tensile Strength 10-20 MPa
Elongation at Break 150-700%
Modulus of Elasticity 0.1-1.0 GPa
Density 0.91-0.96 g/cm³
Hardness (Shore D) 40-70
Melting Temperature 105-135°C
Glass Transition Temperature -120°C
Thermal Conductivity 0.33-0.52 W/m·K
Coefficient of Thermal Expansion 120-200 x 10^-6/°C
Water Absorption <0.01%
Flammability (UL94) HB
PEEK - Polyether Ether Ketone
Tensile Strength 90-160 MPa
Elongation at Break 20-50%
Modulus of Elasticity 3.6-4.6 GPa
Density 1.3 g/cm³
Hardness (Shore D) 87-90
Melting Temperature 335-343°C
Glass Transition Temperature 143-150°C
Thermal Conductivity 0.25-0.35 W/m·K
Coefficient of Thermal Expansion 30-40 x 10^-6/°C
Water Absorption <0.5%
Flammability (UL94) V-0, V-1
PEI - Polyetherimide
Tensile Strength 90-140 MPa
Elongation at Break 15-45%
Modulus of Elasticity 2.8-3.6 GPa
Density 1.27 g/cm³
Hardness (Shore D) 83-85
Melting Temperature 217-225°C
Glass Transition Temperature 215°C
Thermal Conductivity 0.21-0.23 W/m·K
Coefficient of Thermal Expansion 55-60 x 10^-6/°C
Water Absorption <0.3%
Flammability (UL94) V-0
PEKK - Polyetherketoneketone
Tensile Strength 95-120 MPa
Elongation at Break 10-20%
Modulus of Elasticity 2.5-4.0 GPa
Density 1.32-1.43 g/cm³
Hardness (Shore D) 85-95
Melting Temperature 335-345°C
Glass Transition Temperature 163°C
Thermal Conductivity 0.2-0.3 W/m·K
Coefficient of Thermal Expansion 20-25 x 10^-6/°C
Water Absorption <0.5%
Flammability (UL94) V-0
PET - Polyethylene Terephthalate
Tensile Strength 55-75 MPa
Elongation at Break 10-50%
Modulus of Elasticity 2.5-4.0 GPa
Density 1.38 g/cm³
Hardness (Shore D) 75-80
Melting Temperature 245-265°C
Glass Transition Temperature 70-80°C
Thermal Conductivity 0.15-0.35 W/m·K
Coefficient of Thermal Expansion 60-80 x 10^-6/°C
Water Absorption <0.8%
Flammability (UL94) V-0, V-2, HB
PFA - Perfluoroalkoxy
Tensile Strength 23-35 MPa
Elongation at Break 200-400%
Modulus of Elasticity 0.5-1.5 GPa
Density 2.13 g/cm³
Hardness (Shore D) 60-70
Melting Temperature 305-310°C
Glass Transition Temperature -60°C
Thermal Conductivity 0.25 W/m·K
Coefficient of Thermal Expansion 120-170 x 10^-6/°C
Water Absorption <0.01%
Flammability (UL94) V-0
PI - Polyimide
Tensile Strength 90-160 MPa
Elongation at Break 5-20%
Modulus of Elasticity 3-5 GPa
Density 1.3-1.5 g/cm³
Hardness (Shore D) 80-90
Melting Temperature N/A
Glass Transition Temperature 200-250°C
Thermal Conductivity 0.1-0.4 W/m·K
Coefficient of Thermal Expansion 25-60 x 10^-6/°C
Water Absorption <1%
Flammability (UL94) V-0, V-1, V-2
PLA - Polylactic Acid
Tensile Strength 50-70 MPa
Elongation at Break 4-8%
Modulus of Elasticity 3-4 GPa
Density 1.24 g/cm³
Hardness (Shore D) 70-75
Melting Temperature 150-160°C
Glass Transition Temperature 55-60°C
Thermal Conductivity 0.1-0.2 W/m·K
Coefficient of Thermal Expansion 70-110 x 10^-6/°C
Water Absorption 0.2-0.8%
Flammability (UL94) HB
PMMA - Polymethyl Methacrylate
Tensile Strength 55-75 MPa
Elongation at Break 2-6%
Modulus of Elasticity 2.5-3.5 GPa
Density 1.15-1.20 g/cm³
Hardness (Shore D) 80-90
Melting Temperature 160-220°C
Glass Transition Temperature 100-110°C
Thermal Conductivity 0.15-0.25 W/m·K
Coefficient of Thermal Expansion 70-80 x 10^-6/°C
Water Absorption <1%
Flammability (UL94) HB, V-2, V-0
POM (Acetal) - Polyoxymethylene
Tensile Strength 60-80 MPa
Elongation at Break 20-60%
Modulus of Elasticity 2.5-3.5 GPa
Density 1.41-1.43 g/cm³
Hardness (Rockwell) R110-120
Melting Temperature 165-175°C
Glass Transition Temperature -50 to -80°C
Thermal Conductivity 0.3-0.4 W/m·K
Coefficient of Thermal Expansion 80-110 x 10^-6/°C
Water Absorption 0.2-0.7%
Flammability (UL94) HB
PP - Polypropylene
Tensile Strength 30-40 MPa
Elongation at Break 10-30%
Modulus of Elasticity 1.5-2.5 GPa
Density 0.89-0.91 g/cm³
Hardness (Rockwell) R70-110
Melting Temperature 160-170°C
Glass Transition Temperature -10 to -20°C
Thermal Conductivity 0.2-0.3 W/m·K
Coefficient of Thermal Expansion 100-200 x 10^-6/°C
Water Absorption <0.1%
Flammability (UL94) HB
PPA - Polyphthalamide
Tensile Strength 100-150 MPa
Elongation at Break 3-8%
Modulus of Elasticity 2.5-5.5 GPa
Density 1.1-1.4 g/cm³
Hardness (Rockwell) R110-120
Melting Temperature 285-340°C
Glass Transition Temperature 100-140°C
Thermal Conductivity 0.2-0.3 W/m·K
Coefficient of Thermal Expansion 20-40 x 10^-6/°C
Water Absorption 0.2-1.5%
Flammability (UL94) V-0, V-1, HB
PPE - Polyphenylene Ether
Tensile Strength 60-90 MPa
Elongation at Break 2-5%
Modulus of Elasticity 2.5-3.5 GPa
Density 1.04-1.08 g/cm³
Hardness (Rockwell) R115-120
Melting Temperature 220-260°C
Glass Transition Temperature 210-230°C
Thermal Conductivity 0.2-0.3 W/m·K
Coefficient of Thermal Expansion 50-80 x 10^-6/°C
Water Absorption 0.2-0.3%
Flammability (UL94) V-0, V-2, HB
PPO - Polyphenylene Oxide
Tensile Strength 55-80 MPa
Elongation at Break 5-50%
Modulus of Elasticity 2.5-3.5 GPa
Density 1.03-1.06 g/cm³
Hardness (Rockwell) R110-120
Melting Temperature 210-240°C
Glass Transition Temperature 220-240°C
Thermal Conductivity 0.1-0.3 W/m·K
Coefficient of Thermal Expansion 70-90 x 10^-6/°C
Water Absorption 0.1-0.2%
Flammability (UL94) V-0, V-2, HB
PPS - Polyphenylene Sulfide
Tensile Strength 60-150 MPa
Elongation at Break 2-10%
Modulus of Elasticity 2.5-3.5 GPa
Density 1.3-1.35 g/cm³
Hardness (Rockwell) R115-125
Melting Temperature 280-300°C
Glass Transition Temperature 90-100°C
Thermal Conductivity 0.3-0.4 W/m·K
Coefficient of Thermal Expansion 20-40 x 10^-6/°C
Water Absorption <0.05%
Flammability (UL94) V-0, V-1, V-2, HB
PPSU - Polyphenylsulfone
Tensile Strength 70-120 MPa
Elongation at Break 3-20%
Modulus of Elasticity 2.6-3.1 GPa
Density 1.34-1.36 g/cm³
Hardness (Rockwell) R120-125
Melting Temperature 230-275°C
Glass Transition Temperature 190-210°C
Thermal Conductivity 0.2-0.3 W/m·K
Coefficient of Thermal Expansion 55-60 x 10^-6/°C
Water Absorption <0.3%
Flammability (UL94) V-0, V-1, V-2, HB
PS - Polystyrene
Tensile Strength 35-55 MPa
Elongation at Break 1-3%
Modulus of Elasticity 2.3-3.5 GPa
Density 1.04-1.06 g/cm³
Hardness (Rockwell) M75-95
Melting Temperature 240-270°C
Glass Transition Temperature 85-105°C
Thermal Conductivity 0.14-0.17 W/m·K
Coefficient of Thermal Expansion 70-110 x 10^-6/°C
Water Absorption <0.1%
Flammability (UL94) V-0, V-1, V-2, HB
PSU - Polysulfone
Tensile Strength 60-100 MPa
Elongation at Break 2-5%
Modulus of Elasticity 2.5-3 GPa
Density 1.24-1.38 g/cm³
Hardness (Rockwell) M90-110
Melting Temperature 350-410°C
Glass Transition Temperature 190-210°C
Thermal Conductivity 0.2-0.3 W/m·K
Coefficient of Thermal Expansion 55-65 x 10^-6/°C
Water Absorption <0.2%
Flammability (UL94) V-0, V-1
PU - Polyurethane
Tensile Strength 20-70 MPa
Elongation at Break 200-700%
Modulus of Elasticity 0.3-3 GPa
Density 1.1-1.25 g/cm³
Hardness (Shore) 40-95 Shore A/D
Melting Temperature N/A
Glass Transition Temperature -40 to -100°C
Thermal Conductivity 0.01-0.05 W/m·K
Coefficient of Thermal Expansion 60-90 x 10^-6/°C
Water Absorption 0.2-1%
Flammability (UL94) V-0, V-2
PVC - Polyvinyl Chloride
Tensile Strength 45-70 MPa
Elongation at Break 10-60%
Modulus of Elasticity 2.5-4.5 GPa
Density 1.35-1.60 g/cm³
Hardness (Shore) 70-95 Shore A/D
Melting Temperature 75-85°C
Glass Transition Temperature N/A
Thermal Conductivity 0.14-0.17 W/m·K
Coefficient of Thermal Expansion 60-100 x 10^-6/°C
Water Absorption 0.1-1%
Flammability (UL94) V-0, V-1, V-2
PVDF - Polyvinylidene fluoride
Tensile Strength 50-60 MPa
Elongation at Break 50-200%
Modulus of Elasticity 2.2-2.8 GPa
Density 1.77-1.79 g/cm³
Hardness (Shore) 80-95
Melting Temperature 171-177 °C
Glass Transition Temperature -30 °C
Thermal Conductivity 0.12-0.13 W/(m·K)
Coefficient of Thermal Expansion 60-120·10^-6/K
Water Absorption < 0.04%
Flammability (UL94) V-0
SAN - Styrene Acrylonitrile
Tensile Strength 40-60 MPa
Elongation at Break 50-200%
Modulus of Elasticity 1.5-3.0 GPa
Density 1.78-1.80 g/cm³
Hardness (Shore) 70-80 Shore D
Melting Temperature 170-175°C
Glass Transition Temperature -35°C
Thermal Conductivity 0.12-0.18 W/m·K
Coefficient of Thermal Expansion 80-110 x 10^-6/°C
Water Absorption <0.05%
Flammability (UL94) V-0, V-1, V-2
SMA - Styrene Methyl Methacrylate
Tensile Strength 35-80 MPa
Elongation at Break 1.5-50%
Modulus of Elasticity 2.8-3.8 GPa
Density 1.06-1.09 g/cm³
Hardness (Rockwell) R95-120
Melting Temperature 110-125°C
Glass Transition Temperature 95-110°C
Thermal Conductivity 0.16-0.19 W/m·K
Coefficient of Thermal Expansion 85-105 x 10^-6/°C
Water Absorption <0.5%
Flammability (UL94) HB, V-0, V-1, V-2
TPE - Thermoplastic elastomer
Tensile Strength 5-60 MPa
Elongation at Break 100-1000%
Modulus of Elasticity 0.5-50 MPa
Density 0.9-1.3 g/cm³
Hardness (Shore A) 30-95
Melting Temperature 150-220°C
Glass Transition Temperature -50 to -20°C
Thermal Conductivity 0.1-0.3 W/m·K
Coefficient of Thermal Expansion 70-250 x 10^-6/°C
Water Absorption <1%
Flammability (UL94) HB, V-0, V-1, V-2
TPU - Thermoplastic Polyurethane
Tensile Strength 25-75 MPa
Elongation at Break 400-700%
Modulus of Elasticity 5-50 MPa
Density 1.1-1.3 g/cm³
Hardness (Shore A) 60-95
Melting Temperature 180-220°C
Glass Transition Temperature -40 to -60°C
Thermal Conductivity 0.1-0.3 W/m·K
Coefficient of Thermal Expansion 70-250 x 10^-6/°C
Water Absorption <0.5%
Flammability (UL94) HB, V-0, V-2, 5VA
UHMWPE - Ultra-high-molecular-weight polyethylene
Tensile Strength 25-40 MPa
Elongation at Break 200-500%
Modulus of Elasticity 0.5-1.5 GPa
Density 0.93-0.94 g/cm³
Hardness (Shore D) 63-66
Melting Temperature 130-136°C
Glass Transition Temperature -120 to -135°C
Thermal Conductivity 0.4 W/m·K
Coefficient of Thermal Expansion 155 x 10^-6/°C
Vespel - Polyimide
Tensile Strength 70-140 MPa
Elongation at Break 2-5%
Modulus of Elasticity 2-4 GPa
Density 1.3-1.4 g/cm³
Hardness (Rockwell) R118-126
Melting Temperature > 400°C
Glass Transition Temperature 280-380°C
Thermal Conductivity 0.1-0.3 W/m·K
Coefficient of Thermal Expansion 15-50 x 10^-6/°C
Water Absorption <0.5%
Flammability (UL94) V-0 to V-1
XLPE - Cross-linked polyethylene
Tensile Strength 15-30 MPa
Elongation at Break 300-700%
Modulus of Elasticity 300-900 MPa
Density 0.93-0.96 g/cm³
Hardness (Shore D) 55-70
Melting Temperature > 130°C
Glass Transition Temperature -90°C
Thermal Conductivity 0.33-0.40 W/m·K
Coefficient of Thermal Expansion 1.5-2.5 x 10^-4/°C
Water Absorption <0.1%
Flammability (UL94) HB
Zytel - Polyamide
Tensile Strength 50-90 MPa
Elongation at Break 20-150%
Modulus of Elasticity 1.5-5 GPa
Density 1.0-1.3 g/cm³
Hardness (Shore D) 70-85
Melting Temperature 215-350°C
Glass Transition Temperature 35-80°C
Thermal Conductivity 0.25-0.4 W/m·K
Coefficient of Thermal Expansion 0.06-0.2 x 10^-4/°C
Water Absorption 1.5-9.5%
Flammability (UL94) V-2 or better