国产精品第一区二区三区_欧美A级∨片高潮喷水_精品国产AV一区二区三区久久_欧美AⅤ视频一区二区三区

Time: 2017-02-17

GB8624-2012.

Classification of combustion performance of building materials and products

Classification for burning behavior of building materials and products.

This standard

2012

years

12

month

31

Yesterday,

2013

years

10

month

01

The implementation.

GB8624-2012.

This standard replaces

GB8624-2006.

Fire behaviour classification of building materials and products. with

GB8624-2006.

In contrast, the bigger difference is to modify the classification and grading of combustion performance. The release status of previous versions of this standard is as follows:

GB8624-1988.

,

GB8624-1997.

,

GB8624-2006.

. Right to enhance the applicability and compatibility of standards, right

GB8624

For the first

3

Second revision, the standard is

GB8624-2012.

.

GB8624-2012.

Classification of combustion performance

 

GB8624-2012.

The standard divides the material into four levels:

a.

,

B1

,

B2

,

B3

.

a.

level

-

Non-combustible material,

B1 -

Non-combustible materials,

B2 -

Combustible materials,

B2 -

Flammable materials.

GB8624-2012.

Reference standard for classification of combustion performance of building materials and products

 

GB/T2406.2

Plastics - determination of burning behaviour by oxygen index method, regulation

2

Part: room temperature test.

 

GB/T2408

Plastics - determination of burning behaviour - horizontal and vertical methods.

 

GB/T5169.14

Fire hazard test for electrical and electronic products

-

The first

16

Part: test flame

50 w

Horizontal and vertical flame test methods.

 

GB/T 5454

Textiles - combustion performance test - oxygen index method.

 

GB/T 5455

Textiles - fire behaviour test - vertical method.

 

GB/T 5464

Test method for noncombustibility of building materials.

 

GB/T 5907

Basic fire terminology, part 1.

 

GB/T 8333

Test method for properties of rigid foam plastics

-

Vertical combustion.

 

GB/T 8626

Test method for flammability of building materials.

 

GB/T 8627

Test method for smoke density of burning or decomposition of building materials.

 

GB/T 11785

Test for the combustion performance of flooring materials. Radiant heat method.

 

GB/T 14402

Determination of combustion performance and calorific value of building materials and products.

 

GB/T 16172

Test method for heat release rate of building materials

 

GB/T 17596

Textiles - commercial washing procedures prior to combustion testing of fabrics.

 

GB 17927.1

Upholstered furniture - mattresses and sofas, evaluation of resistance to ignition, regulation

1

Part: smoldering cigarettes.

 

GB/T 20284

Unit burning test for building materials or products.

 

GB/T 20285

Toxic risk classification of smoke - producing materials.

 

GB/T 27904

Standard test method for flammability of furniture and components by flame ignition.