ASTM E162 Surface Flammability of Materials Using a Radiant Heat Energy Source
ASTM E162 standard is used to determine and give details of the response of materials, products, or assemblies to heat and flame under controlled conditions. But under actual fire conditions, it does not incorporate all factors required for fire hazard or fire risk assessment of the materials, products, or assemblies by itself.
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- Overview
- Scope, Applications, and Benefits
- Test Process
- Specifications
- Instrumentation
- Results and Deliverables
Overview
ASTM E162 provides a test method for evaluating the surface flammability of materials when exposed to a radiant heat energy source. The test measures how easily a material ignites and how flame spreads across its surface under controlled conditions.
This standard is widely used in building, transportation, and materials industries to assess fire performance and ensure safety compliance.
Scope, Applications, and Benefits
Scope
ASTM E162 focuses on determining the flammability characteristics of materials by measuring flame spread and heat release when exposed to radiant heat. It provides a comparative evaluation of fire performance.
The test evaluates:
- Flame spread behavior
- Ignition characteristics
- Heat release rate
- Surface burning properties
- Fire performance index
Applications
- Building and construction materials
- Interior finishes and panels
- Transportation materials (rail, aircraft)
- Insulation and composites
- Fire safety testing laboratories
Benefits
- Improves fire safety evaluation
- Supports regulatory compliance
- Helps in material selection
- Provides comparative flammability data
- Enhances product reliability
Test Process
Sample Preparation
Material specimen is prepared and mounted.
1Radiant Heat Exposure
Sample is exposed to a controlled radiant heat source.
2Ignition and Flame Spread
Ignition and flame propagation are observed.
3Data Recording & Evaluation
Flame spread index is calculated and analyzed.
4Technical Specifications
| Parameter | Details |
|---|---|
| Applicable Materials | Solid materials and composites |
| Heat Flux Range | Typically up to ~50 kW/m² |
| Orientation | Inclined specimen setup |
| Ignition Source | Pilot flame |
| Test Temperature | Controlled radiant heat exposure |
| Flame spread index, ignition time | Flame spread index, ignition time |
Instrumentation Used for Testing
- Radiant panel furnace
- Specimen holder (inclined)
- Pilot flame source
- Heat flux measurement system
- Temperature sensors
- Data acquisition system
Results and Deliverables
- Flame spread index
- Ignition behavior analysis
- Fire performance classification
- Test condition summary
- ASTM compliance report
Why Choose Infinita Lab for ASTM E162?
Infinita Lab is a trusted USA-based testing laboratory offering ASTM E162 testing services across an extensive network of accredited facilities across the USA.
Infinita Lab is built to serve the full spectrum of modern testing needs—across industries, materials, and methodologies. Our advanced equipment and expert professionals deliver highly accurate and prompt test results, helping businesses achieve quality compliance and product reliability.
Looking for a trusted partner to achieve your research goals? Schedule a meeting with us, send us a request, or call us at (888) 878-3090 to learn more about our services and how we can support you. Request a Quote
Frequently Asked Questions
ASTM E162 is a standard test method used to evaluate surface flammability of materials using a radiant heat energy source, measuring flame spread and heat release characteristics.
ASTM E162 is important because it helps determine how materials behave under fire exposure, supporting safety compliance in building, transportation, and industrial applications where fire risk is critical.
ASTM E162 exposes a material to radiant heat and ignition source, then measures flame spread rate and heat release to evaluate flammability characteristics.
ASTM E162 requires a radiant panel apparatus, ignition source, specimen holder, and measurement instruments to record flame spread and heat release parameters.
Results are reported as flame spread index and heat release parameters, indicating material flammability and helping determine compliance with fire safety standards.
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