Procurement guide for industrial fire blankets and welding protection blankets. Covers EN 1869 Class 1/2/3, CE marking verification, fiberglass vs silica vs ceramic selection, and red flags for uncertified products.
The Problem With "Certified" Welding Blankets
Two blankets look identical. One costs ฿800 per square metre, the other ฿400. Both claim EN 1869 compliance. The difference? One passed an accredited third-party test. The other has a sticker applied by the importer.
For procurement officers sourcing fire protection materials for Thai factories, understanding what EN 1869 actually requires — and how to verify it — prevents both safety failures and wasted budget.
What EN 1869:2019 Tests
EN 1869 is the European standard for fire blankets. The 2019 revision tightened performance requirements significantly over the 1997 version.
The standard evaluates three properties:
1. Fire extinguishing effectiveness The blanket is used to extinguish a standardised Class F cooking oil fire (pan fire simulation). The blanket must fully suppress the fire within a defined time.
2. Heat transfer protection Temperature sensors measure how much heat passes through the blanket to the side facing the user. This matters when a blanket is used to wrap a person evacuating through a fire zone.
3. Post-use integrity After fire suppression, the blanket must hold together — it must not fragment, which could leave burning material exposed.
EN 1869 Class 1, 2 and 3
| Class | Intended Use | Minimum Size |
|---|---|---|
| Class 1 | Kitchen / small domestic fires | ≥ 1.0 × 1.0 m |
| Class 2 | Commercial kitchens, light industrial | ≥ 1.2 × 1.2 m |
| Class 3 | Full-body protection for evacuation | ≥ 1.8 × 1.8 m |
Important distinction for factories: EN 1869 classifies fire blankets for fire suppression. Most industrial welding protection blankets are weld-area protection products — a separate application. A blanket spec should reference both EN 1869 (if applicable) and the welding-specific performance test (e.g., NFPA 701 for flame spread).
How to Verify a Real Certificate
Genuine certification includes:
✓ Name and number of the Notified Body (NB) — e.g., TÜV SÜD (NB 0123), Bureau Veritas, SGS ✓ Specific standard version: "EN 1869:2019" not just "EN 1869" ✓ Test report number with accreditation number of testing lab ✓ Declaration of Conformity (DoC) matching the specific product SKU ✓ Certificate expiry date within validity period
Red flags:
✗ "Meets EN 1869" with no test report number ✗ CE marking with no DoC document available ✗ Notified Body number not found at ec.europa.eu/growth/tools-databases/nando ✗ Certificate covers a different product than what's being supplied ✗ Price 40%+ below market with no explanation
Material Selection: Match the Blanket to the Temperature
| Material | Max Temp | Relative Cost | Best For |
|---|---|---|---|
| Fiberglass | 550°C | ฿ | MIG/MAG welding, grinding sparks, general welding |
| Fiberglass + Vermiculite | 550°C | ฿฿ | Heavy slag and spatter |
| Fiberglass + Silicone | 550°C | ฿฿ | Combined chemical and spark protection |
| Silica (>96% SiO₂) | 1,000°C | ฿฿฿ | TIG/arc welding, foundry, oxy-fuel cutting |
| Ceramic Fiber | 1,260°C | ฿฿฿฿ | Furnace curtains, kilns, continuous high-temperature |
| Bio-Soluble Ceramic (BSC) | 1,260°C | ฿฿฿฿ | High-temp applications where RCF (refractory ceramic fiber) exposure is regulated |
Practical guidance for most Thai factories: Silica 1,000°C covers MIG, TIG, and arc applications at a price point that's reasonable. Fiberglass is adequate for light MIG/MAG work where maximum temperature rarely exceeds 400°C.
Standard Sizes and Custom Options
Standard stock sizes: 1×1m, 1×2m, 2×2m, 1×50m roll Custom widths: up to 2m standard, wider available by order Custom cuts: available for specific equipment shrouds or pipeline wrap applications
Procurement Checklist
Before ordering — request these documents:
- EN 1869:2019 test report from accredited lab
- DoC (Declaration of Conformity)
- SiO₂ content % specification (silica blankets must be >96%)
- Weight g/m² specification (thinner = lower performance)
- Safety Data Sheet (SDS) for any coating (silicone, vermiculite, PTFE)
On receipt inspection:
- Dimensions within ±2% of order spec
- No holes, tears, or scorch marks in the fabric
- Edges neatly finished — no loose fibres that indicate poor quality control
Request certificates and samples: +66 2-096-2118 | +66 83-494-6958 Sahawatthanakit (1988) Co., Ltd. — Nonthaburi, Thailand Request a Quote →
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