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CLASSIFICATIONS

Product Conformation

Our fire-resistant aluminum composite panel is made of fireproof plastic core with two layers of aluminum sheets. It is one kind of new decorative material. Thanks to the fireproof elements we add, its fireproof feature can reach Class B1 grade with the test of GB8624, which means it is hard to be fired. It is green material, as there is no harmful gas  is produced during burning.

Raw Material Product Specifications
Base material of aluminum panel: high strength aluminum coils
PE core: Fire-resist Core
surface coating:fluorocarbon coating
 
Thickness: 3-6mm; 3mm is recommended;
Width: 1000-2000mm; 1220mm, 1250mm and 1500mm are recommended;
Length: Maximum is up to 5800mm, 2440mm,3050mm and 4050mm are recommended.
Thickness of aluminum sheet: 0.2-0.5mm
Table 1 Levels and Names of? Combustion Performance
  Level   Name Level Name
  A
  None-combustible material
B2 Combustible material
  B1
  Flame-retardant material
B3 Flammable material
     Classification              material Combustion performance index to be reached
   
  None-combustible material
A Level composite (sandwich) Conduct the test as per GB/T8625, the average residual length of the groups of test pieces is ≤35cm with the residual length of every test pieces >20cm). the average gas thermal spike of every test is ≤125℃, no burning behavior on the back of the test pieces.
Conduct the test as per GB/8627, the gas density grade (SDR)is ≤15.
Conduct the test as per GB/T14002 and GB/T14403, the material clorific value of which is ≤4.2MJ/kg, and the heat release of the test pieces on unit area is ≤16.8MJ/m2;
The non-lethal thickness of the gas toxicity by the burning of material is ≥25mg/L.
  Combustible material (level B)
B1 level material (material that meets all the requirement on the right)

Conduct the test as per GB/T8626, the burning performance of which should be the standard specified in GB/T8626. phenomenon of ignition of the filter paper by burning drops.
Conduct the test as per GB/T8625, the average residual length of the groups of the test pieces is ≥15cm (the residual length of each of the test pieces should be >0cm)

Comparison on Fireproof Classification between National Standard GB/T8627

Standard No.Burning Degree

China German America Britain France Japan Russia
GB/T8627
DIN 4102 ASTM BS 476 NFF 16-101 JIS K6911 30244-94
  Minimal
A
A1,A2
E84
O
MO
1
T1
  Minor
B1
B1
NC
1
M1,M2
2
T2
  Normal
B2
B2
A
2,3
M3
3
T3
  Severe B3 B3 B,C 4 M4,M5 - -
   Parameter List of Fireproof Performance
Class B1 combustion test

Test Report for B1 Class Fire-proof Plate

  Number Test Items
Test Metho
技术指标 检验结果
  1 Minimum value of remaining length after burning GB/T8625-88
>0 486
  2 Average value of remaining length after burning GB/T8625-88 ≥150 163
  3 Gas Temperature GB/T8625-88 ≤200 78
  4 Height of the top of the flame GB/T8625-88 ≤150 10
  5 Grade of smoke density GB/T8627-88 <75 9
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