Test items Type / Manufacturing method  Plate(Industrial) HT plate(Heat resistant) HI plate(High impact) NC plate(Semi hard lining)
Extrusion Extrusion Extrusion Extrusion Extrusion
Unit Test method Color Gray, Ivory  Ivory Dark gray Gray Dark gray
Part number S-101E, S-241E S-221EX S-121HT S-122HI NC-100
Physical properties Specific gravity - JIS K7112 1.47 1.46 1.50 1.36 1.35
Rockwell hardness R scale JIS K7202 120 120 123 105 Hs98
(JIS K 6301)
Mechanical properties Water absorption rate Mpa
(kgf/cm2)
JIS K6745 60
(610)
60
(610)
67
(680)
51
(520)
25
(260)
Tensile elasticity Mpa
(kgf/cm2)
JIS K6745 2,600
(26,500)
2,500
(25,500)
2,600
(26,500)
2,100
(21,500)
-
Nominal tensile strain at break % JIS K6911 20 20 22 25 100
Bending strength Mpa
(kgf/cm2)
JIS K6911 88
(900)
88
(900)
88
(900)
75-79
(760-800)
-
Flexural modulus of elasticity Mpa
(kgf/cm2)
JIS K7208 3.1×103
(3.2×104)
3.1×103
(3.2×104)
2.6×103
(2.7×104)
2.5×103
(2.5×104)
2.2×103
(2.2×104)
Compressive strength Mpa
(kgf/cm2)
JIS K6745 69
(700)
69
(700)
80
(820)
62
(630)
-
Charpy impact strength kJ/m2
(kgf·cm/cm2)
JIS K7197 3
(3)
4
(4)
10
(10)
100<
〈Does not break〉
-
Thermal properties Coefficient of linear expansion 1/°C JIS K7123 6-8×10-5 6-8×10-5 6-8×10-5 6-8×10-5 -
Specific heat ×102J/kg·K
(cal/g · °C)
- 8-13
(0.2-0.3)
8-13
(0.2-0.3)
8-13
(0.2-0.3)
8-13
(0.2-0.3)
8-21
(0.2-0.5)
Thermal conductivity W/m·K
(kcal/m·hr · °C)
JIS K6745 0.18
(0.15)
0.18
(0.15)
0.15
(0.13)
0.15
(0.13)
0.18
(0.15)
Vicat softening temperature °C JIS K6745 81 77 90 75 -
Heating dimensional change % JIS K6745 ±3.0 or less ±3.0 or less ±3.0 or less ±3.0 or less ±3.0 or less
(100°C×30minutes)
Combustion properties - JIS K6911  self‐extinguishing  self‐extinguishing  self‐extinguishing  self‐extinguishing  self‐extinguishing
Electrical properties Surface resistivity Ω ASTM D257 1016 or more 1016 or more 1016 or more 1016 or more 1014
Electrostatic properties kV/mm ASTM D149 40 or more 40 or more 40 or more 35 or more 17
Induction rate (1kHz(20°C) - ASTM D150 3.2 3.2 3.2 3.2 3.3
The above values are standard values and not guarantee values.