Intumescent & Smoke Seal Set Assembly
The gap-sealing line: graphite-based intumescent strips set into the leaf or frame edge that char and expand many times their size when heated to choke off the gap, paired with brush or fin smoke seals that block the passage of cold smoke in the early minutes of a fire. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
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Bill of materials
3 top-level lines · 3 rows shown · 7 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Intumescent Strip | frd-intumescent-strip | 3× | 3 | — | part |
| 2 | Cold-Smoke Seal | frd-smoke-seal | 3× | 3 | — | part |
| 3 | Threshold Seal | frd-threshold-seal | 1× | 1 | — | part |
Used in 1 assembly
Sourcing — likely vendors
Companies that make this · indicative price $1–$200 · MOQ & lead are typical| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| 🇨🇳JLCPCB jlcpcb.com ↗ | Shenzhen, CN | PCB fabrication | 100 pcs | 2–4 wks |
| 🇨🇳PCBWay pcbway.com ↗ | Shenzhen, CN | PCB fab & assembly | 100 pcs | 2–4 wks |
| scc.com.cn ↗ | Shenzhen, CN | PCB manufacturer | 100 pcs | 2–4 wks |
| shogini.com ↗ | Mumbai, IN | PCB manufacturer | 100 pcs | 2–4 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 100 pcs | 2–4 wks |