Fire intumescent seal strip for fire-rated steel and wood door gaps and smoke sealing

Fire intumescent seal strip (fire-rated doors)

SKU ZX-FIRE-INT-001

PVC + intumescent graphite core; expands when heated; widths 8–15 mm, thicknesses 1.5–2.5 mm; multiple colours.

Specifications

Item Details
Price Contact for quote
Material PVC + intumescent graphite core
Installation Install in prepared kerf/groove per project drawings (doc does not specify detailed steps).
Fire rating Per doc: meets GB fire door and window sealing requirements (wording from source).
Colour Red, black, white, grey
Size / dimensions Width 8/10/12/15 mm × thickness 1.5/2/2.5 mm
Categories Door & Window Seals, Silicone, EPDM, PVC, TPE & TPV Profiles

Product details

Overview

For fire door gap sealing; expands under heat to help block smoke and heat (source: 产品参数.txt).

Key features

  • Intumescent behaviour from approx. 200–350℃
  • Smoke blocking, gap sealing, flame-retardant insulation
  • High temperature and burn resistance as described in source doc

Material & structure

PVC + graphite-based intumescent core.

Typical sizes

Width: 8, 10, 12, 15 mm; thickness: 1.5, 2, 2.5 mm.

Colours

Red, black, white, grey.

Standard

Document states compliance with GB fire door and window sealing requirements.

Applications

Fire doors and smoke-control zones in building hardware projects.

Packing & supply

Coils/cartons; cut lengths available. MOQ, lead time and test reports follow general factory notes in 产品参数.txt.