Document BRmJOR843wZj1p0YkN2pZJVLm
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Table 1, Comparison of required property values for cables for industrial and transportation equipment in various applications
Required characteristics
Embrittlement test at low Long-term heat resistance
temperature
Tensile strength
Tensile elongation
Oil resistance
Flexural modulus
Wire harnesses for automotive
Precision sensor cables for fuel
Motor lead wires
Power cable for ship Cooking Appliances (microwave ovens, refrigerators, etc.) Wires for equipment for ironworks
>200 >200 >200 >200 >200 >200
<-40 <-40 <-40 <-40 <-40 <-40
Mpa >10 >10 >10 >10 >10 >10
% >200 >150 >200 >150 >200 >200
JIS No.2 oil (ASTM No.2) 85C, 80% residual Gasoline 40C, 85% residual
JIS No.2 oil (ASTM No.2) 120C, 80% residual
Mpa <100 <100 <100 <100 <100 <100
Servo motors
>200
<-40
>10
>150
<100
Motors for inverter
>200
<-40
>10
>150
<100
Spindle motors
>200
<-40
>10
>150
<100
Power cables for elevator
>200
<-40
>10
>150
<100
Dielectric breakdown voltage of AC
kV/mm >15 >15 >15 >15 >20 >20 >20 >20 >20 >20
Extrusion molding temperature
<240 <240 <240 <240 <240 <240 <240 <240 <240 <240
Material
Fluoro Rubber PEEK EPDM Silicone rubber Mica Soft vinyl chloride compound Soft heat-resistant vinyl chloride compound PE (polyethylene terephthalate) XLPE Ceramic base Polyamide Polyimide
Table 2, Comparison of properties of fluoroelastomers and other alternative materials
Embrittlement test at low Long-term heat resistance
temperature
Tensile strength
Mpa
Characteristics
Tensile elongation
Oil resistance
%
200
-50
15
300
Good
260
100
100
Good
150
-60
15
400
Bad
180
-90
8
400
Bad
Bad
Good
60
-30
15
300
Bad
105
-30
15
300
Bad
75
-70
20
1,000
Bad
90
-70
20
800
Bad
Bad
Good
120
-60
30
500
Bad
260
18
70
Good
Flexural modulus Mpa 100 4,200
100 100 400 400
400 7,980
Dielectric breakdown voltage of AC
kV/mm 30 18
20
20 20 40 40
0
Extrusion molding temperature
80 450 100 25 Bad 170 170 120 120 Bad 260 450