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Rubber Specifications

Hwaseung ChemTech Co., Ltd. is a venture company specializing in manufacturing industrial rubber parts.

NBR

Chemical Structure

Features

  • Having polymer properties: Polymer specific gravity of -1.00 ~1.20
  • Highly resistant to oil, abrasion, heat and solvent
  • Suitable for O-rings, packings, high temperature hoses, or printed parts
  • Good molding processability: (sulfur vulcanization)

Types

Material Name NWK970(70)
Material NBR
Color Black
Hardness 70±5
Tensil Strength(kgf/cm2) Over 140
Elongation (%) Over 300
Specific Gravity 1.212±0.03
Operating Temperature -20ºC~100ºC
Special Feature Approved by NSF
Material Name NHK767(50)
Material NBR
Color Black
Hardness 50±5
Tensil Strength(kgf/cm2) Over 180
Elongation (%) Over 340
Specific Gravity 1.15±0.03
Operating Temperature -20ºC~100ºC
Material Name NHK767(60)
Material NBR
Color Black
Hardness 60±5
Tensil Strength(kgf/cm2) Over 180
Elongation (%) Over 340
Specific Gravity 1.15±0.03
Operating Temperature -20ºC~100ºC
Material Name NHK767(70)
Material NBR
Color Black
Hardness 70±5
Tensil Strength(kgf/cm2) Over 140
Elongation (%) Over 300
Specific Gravity 1.212±0.03
Operating Temperature -20ºC~100ºC