what is dark aluminum powder ?
aluminium powder aslo name flake aluminium powder, , firework aluminium powder . laminated aluminium powder . it is belong to metallic pigment .
the product process main is use aluminium powder or aluminium foil as raw material , add chemical like stearic acid to grinding , after through classification get aluminium powder . this type aluminium powder through process , main use for firecracker , firecracker , explosive .
the aluminium powder Surface is grey silver color, if the particle size less than 10um it is will be come to dark grey color . no smell , the autoignition temperature at 5900degree . the explosive limit is 40mg/m3。it is no poison , but if breath to your body , at max allow concentration is 4mg/m3.
how to sure quality :
in the market have different price aluminium powder , the different is according active aluminium . lif active aluminium is higher the price is higher . some clients sometime only care about unit price, ingore the quality .
shan dong jie han product aluminium powder strictly follow China standard GB/T20210-2006
before shipping , we always do strictly quality control .
GB/T3169.1 use for active aluminium use gas test way
GB/T3169.3 use test moisture of aluminium powder
GB/T3170.1 test aluminium powder particle size
GB/T3171.1 test aluminium powder density
storage introduction : the storage period of aluminium powder is 24months with sealed cover .
storage condition : please avoid directly sunshine , away from flames , water , corrosive meia and ETC . the temperature should be not exceed 25 degree , the humidity should be not exceed 60. please seal the container immediately after taking the material .
Aluminium powder for firework （GB-720210-2006）
This product is silver flake powder,which made from atomized aluminum particles after the·
process of dry ball grinding protection by nitrogen gas protect .
Bulk density is not more than 0.6g/cm3, bulk density is 0.9-1.0g/cm3, we can product according to the customers need .
SPECIFICADIOW AONFOR MANCE
Firework ,firecracker explosive