Ordinary wood finishes decorative plate surface brushing after the fire can be used as B1 grade decorative materials use? B1 level of decorative materials testing and evaluation standards?
Bl grade material
The following properties are met and the combustion performance is defined as B1.
A) According to GB / T 8626 for testing, the combustion performance should meet the GB / T 8626 as specified by the indicators and does not allow burning drip
The phenomenon of igniting filter paper;
B) Tested according to GB / T 8625, the average remaining length of each specimen is ≥15cm (the remaining length of any specimen> 0cm)
And the average flue gas temperature per test peak ≤ 200 ℃.
C) tested according to GB / T 8627, the smoke density level (SDR) ≤ 75.
Normally speaking of all wood are not required (except for special materials), fire will not agree
