Types and Properties of Synthetic Resins

◎ Quality △ Nomal X Improper

UHMW PE PP PVC ABS PS MA
General Name Ultra-High Molecule PE(GUR) Poly Ethylene Poly-Propylene Vinyl Chloride Acrylonitrile Butadiene Styrene Copolymer Poly-Styren Acryl
Specific Gravity 0.94 0.93~0.96 0.9 1.3~1.6 1.02~1.08 1.02~1.08 1.19
Hardness D64 D60 R85~110 R108~118 90~110 75~93 85~97
Tensile Strength 440 220~350 300~480 460~600 350~550 350~600 670~780
Elongation (%) 450 500~1200 250~800 2~40 10~140 12 10~20
Elastic Co-efficiency(10K/C) 10K/C 9 3~5 16 - 7~28 25~35 30
Friction Co-effciency 0.11~0.07 0.18~0.08 0.3 0.45 0.38 0.5 0.38
Impact Strength 30 16 1~7 1~3 0.7~12.0 0.6~10 1
Thermal Conductivity 10-19 9 2.8 3~7 5 3 4~6
Deformation Temperature 130 85 120 80 65~120 60~100 70~90
Heat-resistant Temperature(°C) 120 80 110 65~75 60~100 65~88 60~85
Flame Resistance Delay Delay Delay Self Extinguish Delay Delay Delay
Coefficient of Thermal Expansion(10-5°C) 12 13 6~10 5~8 6~13 6~9 5~7
Absorptance(%) 0.01 0.01 0.01 0.07~0.4 0.1~0.4 0.05 0.41~0.4
Sunlight-Resistance Unchangeable Lightly chang eable Lightly chang eable Longterm chang eable Longterm chang eable Color Chan geable Unchangeable
Weak acid Resistance ◎ ◎ ◎ ◎ ◎ △ △
Alkali Resistance ◎ ◎ ◎ ◎ △ △ △
Strong acid Resistance ◎ △ △ ◎ Weak X X
Anti-Biology ◎ △ △ X X X X
Insulating Waves(KV %) 50 45 24~33 14 15~17 22 20~30
Dielectric Constant(%) 2.3 2.25 2.3 3.4 2.4~4.8 3.2 3~4
Features Chemical Resistance Impact Resistance Abrasion Resistance Specific Gravity Elecrical - Characteristics Specific Gravity Compound Chemicals Chemical Resistance Impact Resistance Adhesion Transparency Solidity Transparency Weather Ability
6N MC PC PU RULON PA PTFE
General Name 6 Nylon MonoCast Nylon Poly-Carbonate Poly-Urethane LD Poly-Acetal Poly Tetra Fluoro Ethylene
Specific Gravity 1.13~1.15 1.14~1.17 1.19 1.2 2.29 1.41 2.1~2.3
Hardness R115 R112~120 R110~120 A70~100 65 R118 D55
Tensile Strength 720~845 670~840 560~670 250~600 100 이상 615~700 140~315
Elongation (%) 25~320 10~70 60~100 500~700 50 이상 15~75 200~400
Elastic Co-efficiency(10K/C) 11~26.6 24~31 20 - - 28.8 5
Friction Co-effciency 0.37 0.35 0.36 0.4~0.8 0.04~0.19 0.18 0.1~0.04
Impact Strength 1.0~3.6 2~3 12~16 - - 1.4~2.3 2.5~2.7
Thermal Conductivity 5.3 5 4.6 1.7~7.4 0.35 5.5 6
Deformation Temperature 130~170 149~219 130 90 - 124 -
Heat-resistant Temperature(°C) 80~120 121~149 120 80 260 80~120 285
Flame Resistance Self Extinguish Self Extinguish Self Extinguish Self Extinguish Self Extinguish Delay Unchangeable
Coefficient of Thermal Expansion(10-5°C) 72 9 7 10~20 6.6 8 4.5~7.0
Absorptance(%) 1.9~3.3 0.6~2 0.15 - 0.03 0.22 0.00~0.05
Sunlight-Resistance Color Changeable Unchangeable Unchangeable Unchangeable ◎ Unchangeable Unchangeable
Weak acid Resistance △ △ △ △ ◎ △ ◎
Alkali Resistance △ ◎ △ ◎ ◎ △ ◎
Strong acid Resistance X X △ △ ◎ X ◎
Anti-Biology △ △ △ △ ◎ △ ◎
Insulating Waves(KV %) 12~20 12~20 15~18 15~45 - 16~18 50
Dielectric Constant(%) 3.4~5.0 3~7 3.17 5.4~7.6 - 3.17 20
Features Thermal Resistance Solidity Large Molded High Solidity Transparency Elasticity Abrasion Resistance Chemical Resistance Abrasion Resistance High Solidity Most Thermal Resistance, Low Friction