Products

Silicone Rubber (HCR)

Silicone Rubber (HCR) Special

Fire-proof Door Gasket

Extrusion grades for fire-proof door gaskets (KS F 2268-1, over 1 hour) that expand or ceramicize when heated.

  • 2 grades
  • Shore A 55–61
  • KS F 2268-1

Key Benefits

  • Fire-proof door gasket, KS F 2268-1 over 1 hour
  • Expands or ceramicizes after heating
  • Excellent flame retardancy (V-0)
  • Suited to extrusion and HAV (hot-air vulcanizing)

Applications

  • Fire-proof door gasket
  • Construction fire-resistant gasket

Typical Properties by Grade2 grades

GradeAppearanceSpecific gravityPlasticityWilliamsHardnessShore ATensile strengthkgf/cm²Elongation%Tear strengthkgf/cmCompression set%, 180℃×22hCuring agentPHRCurePress ℃/min · Post ℃/hr
TS 1355FSDark gray1.4022055––––SC-2 · 3.0120/5 · 180/4
TS 1360FSDark gray1.4023061––––SC-2 · 3.0120/5 · 180/4

← Swipe the table sideways →

Values are typical measurements based on KS M6518, not specifications, and may vary with curing agent and cure conditions.

TS 1300FS Series Properties (Expandable · Ceramicable)

PropertiesStandardExpandableCeramicable
PropertiesStandardTS 1355FSTS 1370FS
Appearance-GrayReddish dark gray
Williams Plasticitymm/100220320
Specific gravity-1.331.72
HardnessShore A6572
Tensile Strengthkgf/cm²2051
Elongation at break%180120
Tear strengthkgf/cm119
Flame Retardancy-V-0V-0

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Properties obtained using 1.2 part of SC-2(2,4-dichlorobenzonylperoxide) on 2mm thick slabs: molded 5 minutes at 115℃ and post-cured 4 hours at 200℃.

Fire-proof Door Test

  • Fire test of fire-proof door gasket
    Fire test of fire-proof door gasket

Product Photo

  • Fire-proof Door Gasket
    Fire-proof Door Gasket