RAW MATERIAL DEVELOPMENT

PUAR

Physical Properties Test Standard Unit Value Hardness ASTM D2240 shore A 95 Hardness ASTM D2240 shore D 51 Density ASTM D792 g/cm3 1.19 Tensile strength ASTM D412 (500mm/min) MPa 50 100% modulus ASTM D412 (500mm/min) MPa 14.5 300% modulus ASTM D412 (500mm/min) MPa 26 Elongation at break ASTM D412 (500mm/min) % 420 Tear strength ASTM D264 (500mm/min) N/mm 145 Abrasion DIN 53516 mm3 29 Compression set (70℃ 24H) ASTM D395 (Method B compression 25%) % 21 Compression set (100℃ 24H) ASTM D395 (Method B compression rate 25%) % 33 Low temperature shrinkage TR10 GB/T7758-2002 ℃ -24 Low temperature shrinkage TR30 GB/T 7758-2002 ℃ -15.7 Low temperature shrinkage TR50 GB/T 7758-2002 ℃ -9.8

Physical properties Test standard Unit Value

Hardness ASTM D2240 shore A 95

Hardness ASTM D2240 shore D 51

Density ASTM D792 g/cm3 1.19

Tensile strength ASTM D412 (500mm/min) MPa 50

100% modulus ASTM D412 (500mm/min) MPa 14.5

300& modulus ASTM D412 (500mm/min) MPa 26

Elongation at break ASTM D412 (500mm/min) % 420

Tear strength ASTM D264 (500mm/min) N/mm 145

Abrasion DIN 53516 mm3 29

Compression set (70℃ 24H) ASTM D395 (Method B compression rate 25%) % 21

Compression set (100℃ 24H) ASTM D395 (Method B compression rate 25%) % 33

Low temperature shrinkage TR10 GB/T7758-2002 ℃ -24

Low temperature shrinkage TR30 GB/T 7758-2002 ℃ -15.7

Low temperature shrinkage TR50 GB/T 7758-2002 ℃ -9.8

Working temperature: Polyformaldehyde POM -30-100 ℃, phenolic resin PF -55-120 ℃, filled PTFE+40% copper powder -200-260 ℃ Working temperature: Polyformaldehyde POM -30-100 ℃, phenolic resin PF -55-120 ℃, filled PTFE+40% copper powder -200-260 ℃ Working temperature: Polyformaldehyde POM -30-100 ℃, phenolic resin PF -55-120 ℃, filled PTFE+40% copper powder -200-260 ℃ Working temperature: Polyformaldehyde POM -30-100 ℃, phenolic resin PF -55-120 ℃, filled PTFE+40% copper powder -200-260 ℃ Working temperature: Polyformaldehyde POM -30-100 ℃, Phenolic resin PF -55-120 ℃, filled PTFE+40% copper powder -200-260 ℃, working temperature: POM -30-100 ℃, phenolic resin PF -55-120 ℃, filled PTFE+40% copper powder -200-260 ℃, working temperature: POM -30-100 ℃, phenolic resin PF -55-120 ℃, filled PTFE+40% copper powder -200-260 ℃, working temperature: POM -30-100 ℃, phenolic resin PF -55-120 ℃, Filled PTFE+40% copper powder -200-260 ℃