1. Standard - EN 13501-1:2007+A1:2009
EN 13501-1:2007+A1:2009 Fire classification of construction products and building elements-Part 1: Classification using data from reaction to fire tests. EN 13501-1 is similar with GB 8624:2006

EN 13501-1 according to requirements and test results, divided into seven levels: A1, A2, B, C, D, E, F
EN13501-1 related standard:
EN ISO 1182: non –combustibility test
EN ISO 1716: heat of combustion test
EN 13823: single burning item test
EN ISO 9239-1: determination of the burning behaviour of floorings, using a radiant heat source
EN ISO 11925-2: ignitability test

2. Standard Brief-- EN 13501-1:2007+A1:2009
Flammability classification：A1、A2、B、C、D、E、F or AFL1、AFL2、BFL、CFL、DFL 、EFL 、FFL or AL1、AL2、BL、CL、DL 、EL 、FL
Toxicity：T0、T1、T2
Smoke density：S1、S2、S3
dripping：D0、D1、D2

3. Test method and classification

3.1 Classes of reaction to fire performance for construction products excluding floorings
EN13501-1 Class A1: According to EN ISO 1182 and ISO EN 1716; meet to the standards.
EN13501-1 Class A2: According to EN ISO 1182、EN ISO 1716 and EN ISO 13823; meet to the standards.
EN13501-1 Class B、C、D: According to ISO EN 13823、EN ISO 11925-2; meet to the standards.
EN13501-1 Class E: According to EN ISO 11925-2; meet to the standards.
EN13501-1 Class F: According to EN ISO 11925-2; fail to the standards.

3.2 Classes of reaction to fire performance for floorings
EN13501-1 Class AFL1: According to EN ISO 1182 and ISO EN 1716; meet to the standards.
EN13501-1 Class AFL2: According to EN ISO 1182、EN ISO 1716 and EN ISO 9239-1; meet to the standards.
EN13501-1 Class BFL、CFL、DFL: According to EN ISO 9239-1、EN ISO 11925-2; meet to the standards.
EN13501-1 Class EFL: According to EN ISO 11925-2; meet to the standards.
EN13501-1 Class FFL: According to EN ISO 11925-2; meet to the standards.

3.3 Classes of reaction to fire performance for linear pipe thermal insulation products
EN13501-1 Class AL1: According to EN ISO 1182 and ISO EN 1716; meet to the standards.
EN13501-1 Class AL2: According to EN ISO 1182、EN ISO 1716 and EN ISO 13823; meet to the standards.
EN13501-1 Class BL、CL、DL: According to ISO EN 13823、EN ISO 11925-2; meet to the standards.
EN13501-1 Class EL: According to EN ISO 11925-2; meet to the standards.
EN13501-1 Class FL: According to EN ISO 11925-2; fail to the standards.

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