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RAW MATERIAL DEVELOPMENT

RAW MATERIAL DEVELOPMENT

Borise seal self-developed the main oil seals and diaphragm of polyurethane PPDI material, transparent golden color without impurity, which featured excellent dynamic performance, high heat resistance withstanding high temperature of 150 degrees and limit temperature of 170degrees, big loading capacity, double wear resistance and longer running life comparing with the regular ones in the market.

MATERIAL

PPDI

PPDI Physical Properties Test Standard Unit Value Hardness ASTM D2240 shore A 96 Hardness ASTM D2240 shore D 51 Density ASTM D792 g/cm3 1.19 Tensile strength ASTM D412 (500mm/min) MPa 42 100% modulus ASTM D412 (500mm/min) MPa 14.5 300% modulus ASTM D412 (500mm/min) MPa30 Elongation at break ASTM D412 (500mm/min) % 700 Tear strength ASTM D264 (500mm/min) N/mm 200 Abrasion DIN 53516 mm3 28 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 ℃ -30 Low temperature
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PUAR

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
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MDI 1

MDI 1 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 25%) % 33 Low temperature shrinkage TR10 GB/T7758-2002 ℃ -24 Low temperature shri
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MDI

MDI 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 25%) % 33 Low temperature shrinkage TR10 GB/T7758-2002 ℃ -24 Low temperature
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dust wiper seal , cylinder gland seal , gear pump seal kit , oil tank seal , oil seal removal kit , steering rack seal kit

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Copyright © 2022，All right reserved © Borise Technology Co., Ltd
Hot Products - Sitemap
dust wiper seal , cylinder gland seal , gear pump seal kit , oil tank seal , oil seal removal kit , steering rack seal kit