Products

Silicone Rubber (HCR)

Silicone Rubber (HCR) Special

Fire-Resistant Cable

High-performance wire and cable compound that keeps circuits live for over 90 minutes even after the sheath burns out above 750℃.

  • IEC 60331

Key Benefits

  • Circuit integrity over 90 min above 750℃
  • Meets IEC 60331-1/2/3
  • Meets KS F 2257

Typical Properties by Grade (per Catalog)2 grades

GradeAppearanceSpecific gravityPlasticityWilliams, mm/100HardnessShore ATensile strengthkgf/cm²Elongation%Tear strengthkgf/cmVolume resistivityΩ·cmDielectric strengthkV/mmFlame retardancyUL94
TS 601/70UMilky white1.40230706920016101524–
TS 603/70UDark gray1.40230707120016101525V-0

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

Applications

  • Fire-resistant cable
  • Cable & Wire
  • Tube
  • Gasket

Compounding Grades

Compounded products tailored from base grades to the required hardness and color.

  • TS 601/70

Technical Data Downloads

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