Plastic Balls Chart

Plastic Properties Units Acetel Polychloro
trifluoro
ethylene
Phenolic, Wood Flour Filled Polyamide
(Nylon)
Polycarbonate Polyethylene High Density Polyethylene Low Density Polypropylene (Impact) Polystyrene
Impact Strength, Notched Izod ft lb/in. 1.4-2.3 3.5 0.24-0.34 0.9-2.0 8-16 1-10 No break 1.0-7.0 0.25-0.70
Tensile Strength psi x 103 10 6 6.5-8.5 8.5-11 9-10.5 2.5-5.0 1.1-1.7 3.3-5.2 5.5-8.0
Tensile Modulus psi x 103 150 800-1200 210-410 320 85-160 14-38 100-170 400-500
Elongation % 15-75 28-36 60-300 60-100 5-10 20-40 50-550 1-2.5
Flexural Strength psi x 103 14 8 8-12 14.6 11-13 2-3 5.5-10.0 8-15
Flexural Modulus psi x 103 410 175 800-1200 210-410 375 90-150 175 400-500
Comprehensive Strength psi x 103 12 24-36 13 11 4.0-8.0 11.5-16
Comprehensive Modulus psi x 103 180 600-1000 240 50-100 300-560
Heat Distortion Temperature °F (264 psi) 212 290-340 150 280-290 2.0 175-195
Heat Resistance (continuous) °F 220 390 300-350 325 250-275 250 200 290-320 150-170
Coefficient Thermal Expansion max/°C x 10-5 8 7 3.0-4.5 10 7 15-30 15-30 4.0-8.5 6-8
Thermal Conductivity cal/cm2/sec/°C/cm x 104 5.5 6 4-7 5.8 4.6 8 8 0.048-0.098 2.4-3.3
Volume Resistivity ohm-cm 6 x 1014 1018 1011-1013 4.5×1013 2.1×1016 >1015 >1015 6.5×1016 1017x1021
Dielectric Constant (60 cycles) 3.7 2.65 5.0-9.0 3.9-7.6 3.17 2.3 2.3 2.2-2.3 2.5-2.65
Dielectric Strength, ST. (1/8″ thick) volts/mil 500 450 200-425 385 400 480 480 450-660 500-700
Power Factor (60 cycles) 0.004 0.015 0.04-0.30 0.01-0.09 0.0009 <0.005 <0.005 0.0005 0.0001-0.0005
Arc Resistance sec 129 >360 5 140 10-11 melts melts 185 60-100
Water Absorption, 24 hrs. % 0.4 nil 0.3-0.8 1.5 0.3 <0.02 <0.02 0.01-0.03 0.03-0.05
Specific Gravity 1.425 2.1 1.32-1.55 1.14 1.2 0.94-0.96 0.91-0.92 0.90-0.92 1.05-1.08
Natural Color light tan red brown-black off-white clear milky white milky white milky white clear
Color Possibilities limited limited blue, brown unlimited unlimited unlimited unlimited unlimited unlimited
Clarity opaque opaque opaque translucent to opaque transparent translucent to opaque translucent to opaque translucent transparent
Representative Trade Names Delrin
Celcon
Hostaform
Kel-F Plenco
Valite
Zytel
Yydyne
Nylatron
Lexan
Merlon
Super Dylan
Marlex
Fortilfex
Dow
Norchem
U.S.I.
Dylan
Petrothene
Eastman
Northern Pet
Norchem
Dow
Himont
Dypro
Tenite
Styron
Lustrex
Dylene
Competitive data taken from technical bulletins and “Technical Data on Plastics,” Manufacturing Chemists Association.

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