Products

Silicone Rubber (HCR)

Silicone Rubber (HCR) Molding

High Tensile & Tear Strength

For diaphragms, belts, labels, spin casting and muffler hangers that require high tensile and tear strength.

  • 4 grades
  • Shore A 50–71

Applications

  • Diaphragm
  • Belt
  • Gasket
  • Tube
  • Hose
  • O-ring
  • Label
  • Spin casting
  • Muffler hanger

Typical Properties by Grade (per Catalog)4 grades

GradeApplicationProductAppearanceSpecific GravityWilliams PlasticityOrganic PeroxideLinear Shrinkage (%)Curing ConditionMechanical PropertiesKS M6518Compression Set (%)180℃/22hrHeat Resistance250℃/72hrOil ResistanceIRM903 Oil, 150℃/72hrVolume Resistivity (Ω·cm)Reference
Trade NamePHRPress Cure℃/minPost Cure℃/hrHardnessShore ATensile Strengthkgf/cm²Elongation at Break%Tear Strengthkgf/cm · Type BHardness ΔTensile Δ%Elongation Δ%Hardness ΔTensile Δ%Elongation Δ%Volume Δ%
중인열용 Semi Tear St.Diaphragm, Gasket Belt, Tube, Hose, BootTS 800/50UTransparency 투명1.15220SC-8B1.03.5170/10200/450956004030–––––––––
중인열용 Semi Tear St.Diaphragm, Gasket Belt, Tube, Hose, BootTS 800/70UTransparency 투명1.18280SC-8B1.03.3170/10200/470904004028–––––––––
고인열용 High Tear StGasket, O-ring, Sheet, Label, Spin casting, Muffler HangerTS 1055UTransparency 투명1.14220SC-8B1.03.5170/10200/4551006804830+2-20-25-20-30-15+35––
고인열용 High Tear StGasket, O-ring, Sheet, Label, Spin casting, Muffler HangerTS 1070UTransparency 투명1.18230SC-8B1.03.3170/10200/470955504628+5-30-40––––––

← Swipe the table sideways →

Same layout as the product catalog (Apr 2026). Values are typical measurements based on KS M6518, not specifications, and may vary with curing agent and cure conditions.

Technical Data Downloads

TDS files are in English; MSDS (Material Safety Data Sheets) are Korean PDFs. Please contact us for grades without an MSDS.