French Standard: NF P92-503 – Class M Fire Test for Building Materials

The following content will explain the flame retardant and fire test standard NFP92-503 for floor materials:

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NFP92-503 Fire Safety: Building Materials - Standard Name: 

• NF P92-503: Safety against fire: Building materials – Reaction to fire tests. Electrical burner test used for flexible materials

• NF P92-503: Fire Safety: Construction Materials - Combustion Reaction. Electrical Combustion Test of Flexible Materials 

NFP92-503 Fire Safety: Construction Materials – Standard Overview: 

• NFP92-503 This regulation contains test methods for the fire performance of building and decorative materials. 

NFP92-503 Fire Safety: Building Materials - Scope of application of the standard: 

materials ：

• integrated movable walls and ceiling surfaces of any thickness 

• filter material 

 

NF P 92-503 Fire Safety: Building Materials – Relevant Reference Standards

• NF C 42-321:1987 Electronic measuring instruments – Thermocouples – Reference table 

• NF C 42-323:1985 Electronic measuring instruments – Thermocouple determination 

• NF X 15-001:1991 Peripheral test conditions – Conditioning and testing at standard atmospheric pressure 

• NF X 65-020:1991 Fire protection definitions related terms 

relevant test standards

• NF P 92-510: Determination of upper calorific potential

• NF P 92-501: Fire safety of building materials - Rigid material testing  

• NF P 92-504: Fire safety of building materials - Burning rate test  

• NF P 92-505: Fire safety of building materials - Droplet test  

• NF P 92-507: Fire safety of building materials-Grade determination