NF P92-507: M grade grading standard

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NF P 92-507 Standard designation (Class M)

NF P 92-507 Scope of application (Class M)

• purpose of this standard is to define the standards for classification of decorative materials based on their fire reaction characteristics in accordance with Chapter 3 of the regulations promulgated by the government on November 21, 2002.“ materials” refers specifically to items that require grading in each of the situations mentioned in the previous paragraph.

• tests for fire reaction are applied to finished materials, which can be in the form of panels or sheets, films, drop cloths, paper…

• When testing the fire response characteristics of materials that have been treated with fire protection, their durability performance should be consistent with the NF P 92-512 standard. At the same time, the necessary conditions for accelerated aging testing must also meet the requirements of this standard before the durability performance of the material can be recognized.

• standard does not apply to unprocessed raw materials and items.

• standard does not include the testing of shading properties and toxicity characteristics of flammable products.

NF P 92-507 Reference Standard (Class M)

• NF P 92-501: Fire safety - Buildings - Fire reaction test of building materials - Thermal radiation on hard materials or reinforcement materials (glued surface decoration materials) of various thicknesses and soft materials with a thickness exceeding 5 mm test

• NF P 92-503: Fire safety - Buildings - Tests on fire reaction characteristics of building materials - Tests on soft materials using electric spray guns

• NF P 92-504: Fire safety - Buildings - Testing of fire response characteristics of building materials - Fire resistance test and flame spread rate test

• NF P 92-505: Fire safety - Buildings - Tests on the reaction characteristics of building materials to fire - Tests on hot melt materials: Droplet test

• NF P 92-506: Buildings - Test of fire response characteristics of building materials - Heating plate test of floor covering materials

• NF P 92-511: Buildings - Testing of fire reaction characteristics of building materials (Annex of the test method standard) Determine the test method according to the material properties and uses - Base material - Type - Information card format

• NF P 92-512: Fire safety - Buildings - Testing of fire reaction characteristics of building materials - Standard for classification of fire reaction durability classes - Test.

• EN ISO 1716: Testing of the reaction characteristics of construction products to fire - Determination of ignition temperature (ISO 1716:2002).

• NF EN 309: Particle panels - Definition and classification.

• NF B 54-110: Particle panels - Dimensional characteristics.

• NF B 54-111: Particulate panels for use in dry environments - Technical specifications.

• NF P 72-302: Gypsum cladding panels - Definition, technical specifications and test details.

• NF P 74-201 , DTU 59.1: Specification of technical requirements for painting projects, with special clauses and summary manual required for writing special contract documents

• NF EN 438-1: High-pressure decorative laminates (HPL) - thermosetting resin boards (commonly known as laminates) - Part 1: Introduction and general information

• NF EN 438-2: High-pressure decorative laminates (HPL) - Thermoset resin boards (commonly known as laminates) - Part 2: Characteristics determination

NF P 92-507 Classification (Class M)

• M0 - non-flammable (heat generation value is less than or equal to 2508kJ/kg)

• M1 - non-flammable (heat value greater than or equal to 2508kJ/kg)

• M2 - Low flammability

• M3 - Moderate flammability

• M4 - High flammability

• Note : NF P 92-504 and NF P 92-505 test standards are used when special phenomena (such as burning dripping) are observed.

NF P 92-507 related standards

• NF P92-510: Fire safety of building materials-Determination of heat peak

• NF P92-503: Fire safety of building materials-Flexible materials test

• NF P92-504: Fire safety of building materials-Burning rate test

• NF P92-505: Fire safety of building materials-Droplet test

• NF P92-501: Fire safety of building materials-Test on rigid materials or flexible materials with thickness exceeding 5mm