Fire-Retardant Wood Stack Combustion Tester
Category：Material Combustion Tester
Introduction
The Fire-Retardant Wood Stack Combustion Tester is designed to evaluate the mass loss rate and flaming combustion time of fire-retardant treated wood with a thickness greater than 20 mm under specified burning conditions. The instrument features automatic ignition, automatic timing, and auto-reset functions, ensuring repeatable and precise testing.
Applications
This tester is suitable for:
(1) Fire performance testing of fire-retardant treated solid wood panels, beams, and large wood blocks used in construction.
(2) Quality control of flame-retardant treated wood in flooring, furniture, and interior decorative elements.
(3) Assessment of flaming duration and mass loss for R&D of fire-retardant wood treatments.
(4) Laboratory testing for compliance with fire safety certification of thick wood products.
(5) Evaluation of wood stack fire behavior in real-world combustion scenarios.
Standards
(1) GA/T 42.1-92: Fire-retardant wood combustion test method – Wood stack method.
(2) ISO 5660: Reaction-to-fire tests – Heat release, smoke production, and mass loss.
(3) ASTM D 5516: Standard test methods for evaluating fire-retardant wood in bulk.
(4) EN 13501-1: Fire classification of construction products and building elements.
Technical Parameters
| Parameter | Specification |
|---|---|
| Ambient temperature | Room temperature – 35 °C |
| Ambient humidity | ≤70 % |
| Power supply | AC 220 V ±10 % |
| Gas source | Natural gas or LPG (customer-supplied) |
| Timing accuracy | 3 min ±0.1 s |
| Real-time temperature display | Yes |
| Equipment dimensions (L×W×H) | 0.65 × 0.35 × 0.8 m |
| Equipment weight | 25 kg |
| Flame height | ~250 mm |
| Flame temperature | 310 °C ±10 °C |
| Ignition time | 3 min |
| Burner composition | Ø50 mm nozzle, adjustment valve, switch valve |
| Thermocouple | Ø3 mm NiCr–NiSi armored, Class II accuracy |
| Flow meter | Gas flow range: 0.025–0.25 m³/h |
Product Advantages
(1) Durable sheet metal construction with corrosion-resistant paint.
(2) Heat-resistant glass door allows clear observation of combustion.
(3) All internal fixtures made of stainless steel.
(4) Automatic ignition and digital timing improve operational efficiency.
(5) Precise flame height and temperature control for repeatable results.
FAQ
(1) What is this product?
A wood stack combustion tester for evaluating fire-retardant treated thick wood under controlled flame conditions.
(2) What is it used for?
It measures mass loss and flaming time of thick fire-retardant treated wood for quality control and fire safety compliance.
(3) What types of this product exist?
Variants may differ in flame tube size, control method (manual or PLC), and maximum sample thickness.
(4) What industry problems can it solve?
Ensures fire safety compliance, evaluates effectiveness of wood fire-retardant treatments, and supports R&D of thick flame-retardant wood materials.
(5) How is it operated?
The wood sample stack is placed under the flame; ignition time, flame height, and timing are controlled digitally. Observations and data on mass loss and flaming duration are recorded for analysis.
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