Date Published:May. 10. 2016

Plastic and Rubber

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Characteristics item
 Thermoplastics resin
FRP  Polyacetal   Polypropylene  Nylon 6  Nylon 66  Polycarbonate
 ABS 
Specific gravity  1.5 - 2.1 1.42 0.9 - 1.04 1.12 - 1.14 1.13 - 1.15 1.20 1.04 - 1.07
Hardness（Rockwel） M70 - 120 M94 R80 - 110 R119 R100 - 118 M78 R90 - 115
Tensile strength（N/mm2）  98 - 200 69 29 - 38 69 - 81 75 - 82 64 - 79 35 - 59
Compression strength（N/mm2）  98 - 200 130 38 - 55 89 110 76 18 - 56
Izod impact value（kJ/m2）  11 - 100 11 2.7 - 10.9 8 10 90 15 - 50
Bending strength（N/mm2）  69 - 270 98 41 - 55 120 120 94 49 - 88
Heat resistance temperature（℃）  150 - 180 90 - 100 120 - 130 80 - 120 80 - 150 120 60 - 95
Flame resistance
 Combustible
 Frame resistance
 Slow-burning
 Extremely delayed combustion
 Extremely delayed combustion
 Selfextinguishing
 Slow-burning
Weather Resistance  Slight change in color Slight change in color
 Cracks
 Slight change in color
 Slight change in color
 Excellent
 Change in color
Weak Acid Resistance
 Good
 Minor effect
 Large resistance
 Endure
 Endure
 Good
 Good
Strong Acid Resistance
 Minor effect
Effect
 Endure other than oxidizing acid
 Effect
 Effect
 Minor effect
 Minor effect
Weak Alkali Resistance
 Slight change
 Minor effect
Extreme resistance
 Unchanged
 Unchanged
 Endure
 Unchanged
Strong Alkali Resistance  Effect
 Minor effect
Extreme resistance
 Unchanged
 Unchanged
 Effect
 Unchanged
Organic Solvent Resistance  Slight change
 Has effect
 Endure below 80℃ Has effect Has effect
 Effect
 Effect

Characteristics item
 Thermosetting resin
Phenol Resin  Urea resin  Melamine resin 
Specific gravity
 1.36 - 1.42 1.5 1.47 - 1.52
Hardness（Rockwell）  M110 - 116 M110 - 120 M110 - M125
Tensile strength（N/mm2 ）
 41 - 52 38 - 69 49 - 90
Compression strength（N/mm2）  180 - 210 180 - 260 170 - 294
Izod impact value（kJ/m2）  1.5 - 5 1.5 - 3.3 1.5 - 3.3
Bending strength（N/mm2）  62 - 75 55 - 110 69 - 110
Heat resistance temperature（℃）  150 - 180 77 100
Flame resistance  Extremely delayed combustion
 Extremely delayed combustion
 Selfextinguishing
Weather Resistance  Gradual discoloration
 Discoloration to gray
 Gradual discoloration
Weak Acid Resistance  Good
 Slight change
 Unchanged
Strong Acid Resistance
 Good except effect of oxidizing acid
 Erosion on surface
 Effect
Weak Alkali Resistance  Good
 Slight change
 Unchanged
Strong Alkali Resistance
 Effect of hot strength alkaline
 Decomposition
 Effect
Organic Solvent Resistance
 Has effect
 Slight change
 Has effect

Characteristics item Rubber
Natural rubber（NR） Synthetic natural rubber（IR） Styrene rubber（SBR） Butadiene rubber（BR） Chloroprene rubber（CR） Butyl rubber（IIR）
Specific gravity 0.92 0.92 - 0.93 0.92 - 0.97 0.91 - 0.94 1.15 - 1.25 0.91 - 0.93
Tensile strength（N/mm2） 3 - 35 3 - 30 2.5 - 30 2.5 - 20 5 - 25 5 - 20
Extension（％） 100 - 1000 100 - 1000 100 - 800 100 - 800 100 - 1000 100 - 800
Impact resilience Excellent Excellent Good Excellent Excellent OK
Tensile Excellent Good OK Good Good Good
Abrasion resistance Excellent Excellent Excellent Excellent Good Good
Flex-crack resistance Excellent Excellent Good OK Good Excellent
Allowable Operating Temperature（℃） －75 - 90 －75 - 90 －60 - 100 －100 - 100 －60 - 120 －60 - 150
Aging Resistance
 Good
 Good
 Good
 Good
 Excellent
 Excellent
Light resistance Good
 Good
 Good
 Good
 Excellent
 Excellent
Electrical insulation
（Ω・cm）		 1010 - 1015 1010 - 1015 1010 - 1015 1014 - 1015 1010 - 1012 1015 - 1018
Gasoline / Gas Oil Impossible Impossible Impossible Impossible Good Impossible
Benzene / Toluene Impossible Impossible Impossible Impossible Impossible OK
Alcohol Excellent Excellent Excellent Excellent Excellent Excellent
Ether Impossible Impossible Impossible Impossible Impossible OK
Ethyl Acetate Impossible Impossible Impossible Impossible Impossible Excellent
Water
 Excellent
 Excellent
 Excellent
 Excellent
 Excellent
 Excellent
Organic Acid  Impossible
 Impossible
 Impossible
 Impossible
 Impossible
 OK
High temperature inorganic acid
 OK
 OK
 OK
 OK
 Good
 Excellent
Low temperature inorganic acid Good Good Good Good Excellent Excellent
Weak Alkali Resistance Good Good Good Good Excellent Excellent
Strong Alkali Resistance Good Good Good GoodExcellent Excellent


Characteristics item Rubber 
Nitrile rubber（NBR） Propylene rubber（EPDM） Urethane rubber（U） Silicone rubber（Si） Fluoro-rubber（FPM）
Specific gravity 0.96 - 1.02 0.86 - 0.87 1.00 - 1.30 0.95 - 0.98 1.80 - 1.82
Tensile strengt（N/mm2） 5 - 25 5 - 20 20 - 45 3 - 12 7 - 20
Extension（％） 100 - 800 100 - 800 300 - 800 50 - 500 100 - 500
Impact resilience Good Good Excellent Excellent OK
Tensile Good OK Excellent Impossible Good
Abrasion resistance Excellent Good Excellent Impossible Excellent
Flex-crack resistance Good Good Excellent Impossible Good
Allowable Operating Temperature（℃） －50 - 120 －60 - 150 －60 - 80 －120 - 280 －50 - 300
Aging Resistance Excellent Excellent Good Excellent Excellent
Light resistance Good Excellent Excellent Excellent Excellent
Electrical insulation
（Ω・cm）		 102 - 1011 1012 - 1016 108 - 1012 1011 - 1016 1010 - 1014
Gasoline / Gas Oil Excellent Impossible Excellent Impossible Excellent
Benzene / Toluene Impossible OK Impossible Impossible Excellent
Alcohol Excellent Excellent OK Excellent Excellent
Ether Impossible Good Impossible Impossible Impossible
Ethyl Acetate Impossible Excellent OK OK Impossible
Water Excellent Excellent OK Good Excellent
Organic Acid Impossible Impossible Impossible Good Impossible
High temperature inorganic acid Good Good Impossible OK Excellent
Low temperature inorganic acid Good Excellent OK Good Excellent
Weak Alkali Resistance Good Excellent Impossible Excellent OK
Strong Alkali Resistance Good Excellent Impossible Excellent Impossible



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