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Home   Train   GB 8624:2006
 

GB 8624:2006

  GB 8624:2006 Building products fire testing

 

1Standard -- GB 8624:2006 building products fire testing

GB 8624:2006 Classification for burning behavior of building materials and products

 

2. Standard Brief-- GB 8624:2006 building products fire testing

GB 8624:2006 This standard replaced GB 8624:1997, this amendment by the European Union standards EN 13501-1:2002.

The standard compared with the GB 86241997 major changes, the main changes are as follows:


- The standard of the paving and pipe insulation materials, combustion provides separately for classification, combustion performance levels by the subscript fl and L to distinguish between, respectively;
- Combustion properties of the material divided by the A-level (homogeneous materials), A-level (composite sandwich materials), B1, B2 and B3 into five levels A1, A2, B, C, D, E, F or AF AFL1AFL2BFLCFLDFL EFL FFL or AL1AL2BLCLDL EL FL

 

3. GB 8624 the main concern:

Flammability classificationA1A2BCDEF or AFL1AFL2BFLCFLDFL EFL FFL or AL1AL2BLCLDL EL FL

ToxicityT0T1T2

Smoke densityS1S2S3

drippingD0D1D2

 

4. Test method and classification

 

4.1 Classes of reaction to fire performance for construction products excluding floorings

Class A1: According to GB/T 5464 and GB/T 14402; meet to the standards.

Class A2: According to GB/T 5464GB/T 14402 and GB/T 20284; meet to the standards.

Class BCD: According to GB/T 20284GB/T 20285GB/T 8626; meet to the standards.

Class E: According to GB/T 8626; meet to the standards.

Class F: According to GB/T 8626; fail to the standards.

 

4.2 Classes of reaction to fire performance for floorings

Class AFL1: According to GB/T 5464GB/T 14402; meet to the standards.

Class AFL2: According to GB/T 5464GB/T 14402GB/T 11785; meet to the standards.

Class BFLCFLDFL: According to GB/T 11785GB/T 8626GB/T 20285; meet to the standards.

Class EFL: According to GB/T 11785; meet to the standards.

Class FFL: According to GB/T 11785; meet to the standards.

 

4.3 Classes of reaction to fire performance for linear pipe thermal insulation products.

Class AL1: According to GB/T 5464 and GB/T 14402; meet to the standards.

Class AL2: According to GB/T 5464GB/T 14402 and GB/T 20284; meet to the standards.

Class BLCLDL: According to GB/T 20284GB/T 20285GB/T 8626; meet to the standards.

Class EL: According to GB/T 8626; meet to the standards.

Class FL: According to GB/T 8626; fail to the standards.

 

5.Application GB 8624Fire testing materials

Rubber ProductRubber seal

Ceiling Covering

Walling Covering

TextileNon-woven fabrics CurtainCurtainAdumbral Product

Seat shellSeat trim

Flooring CoveringPVC Flooring covering

CableCable tieCable tube

Foam materialSpongeMelamine Foam

PaintAdhesivePigmentVarnish

FRP composite materialsSMC sheet

Braided hoseHose protection

Windowdoor framework

Small parts

ConnectorConnected equipment

pipecorrugate pipeHeating pipeCooling pipe

Other materials


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 Source:防火网  Addtime:2010-8-3 Hits:4332

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