Duracon material properties

Duracon®: made by Polyplastics Co., Ltd.

Grade used M90, M25
Duracon®: is a registered trademark of Polyplastics Co., Ltd.
Mechanical properties
Properties Test standard
ASTM		 Unit M90 M25
Maximum tensile strength -40℃ D638 MPa 94 94
23℃ MPa 60 60
70℃ MPa 34.3 34.3
Tensile breaking elongation -40℃ D638 % 20 30
23℃ - 60 75
70℃ - ＞250   ＞250  
Bending modulus of elasticity 23℃ D790 MPa 2580 2580
70℃ - 1230 1230
105℃ - 680 680
Rockwell hardness 23℃ D785 M scale M80 M78
Shear strength 23℃ D732 MPa 52 52
50℃ MPa 46 46
70℃ MPa 39 39
Izod impact strength
(With notch)		 Notch side -40℃ D256 J/m 52 63
23℃ J/m 63 74
Opposite notch side -40℃ J/m 580 -
23℃ J/m 764 892
Tension impact strength 23℃ D1822 KJ/m2 140 180
Physical and electrical characteristics
Properties Test standard
ASTM		 Unit M90 M25
Specific gravity 23℃ D792 - 1.41
Water absorption rate 23C 24 hrs. immersion D570 ％ 0.22
Dynamic friction coefficient For steel D1894 - 0.15
For Duracon - 0.35
Permittivity　106Hz D150 - 3.7
Dissipation factor　106Hz D150 - 0.007
Arc resistance　(3 mm thickness) D495 secs. 240 (Combustion)
Dielectric breakdown strength
(Short interval method)		 (0.13 mm fi lm) D149 MV/m 83
(2.3 mm sheet) MV/m 20
Thermal properties
Properties Test standard
ASTM		 Unit M90 M25
Melt index D1238 /10mins. 9.0 2.5
Melting point D2117 ℃ 165
Vicat softening temperature D1525 ℃ 162
Thermal deformation temperature(1.82MPa) D648 ℃ 110
Thermal deformation temperature(0.45MPa) 158
Thermal conductivity C177 kcal/m･h･℃ 0.20
W/(m・K) 2.326×10-1
Specific heat(20℃) - 　kcal　
k・℃		 0.35
Linear expansion coefficient －30 to ＋30℃ - cm/cm/℃ 9X10-5
＋20 to ＋70℃ - cm/cm/℃ 13X10-5
Flammability D635 cm/mins. 2.8
Flash temperature - ℃ 350
Ignition temperature - ℃ 450
Oxygen index D2863 % 14.9

(Other) Slight yellowing may occur due to exposure to sunlight, etc.

Duracon UL certification temperature
Duracon grade Electrical Mechanical
With impact Without impact
M90-02, etc. 105 90 90
M90-44, etc. 110 95 100
GH-25 105 95 105

UL (Underwriters Laboratories Inc.) File No. E45034

Predicted lifespan of Duracon when used under high-temperature air conditions.

Note: The numeric values above are typical values. They are not standard values.

Other
Slight yellowing may occur due to exposure to sunlight, etc.