SPEC

Welding grade

Aluminum Industry grade

Reagent grade

ITEMS

Yotech Standard

Yotech Standard

ShangHai  Q/HG 2-294-83

assay            ％

≥98％

≥99％

≥98.5％

chloride          ％

≤0.1％

≤0.02％

≤0.005％

Aluminium        ％

17.25-19％

17.5-18.35％

10.2-10.6％

fluorin            ％

52.15-55％

50-53％

/

Fe              ％

≤0.005％

≤0.002％

≤0.003％

sulphate          ％

≤0.05％

≤0.05％

≤0.01％

Heavy  metal     ％

≤0. 01％

≤0.001％

≤0.01％

silicate          ％

/

/

≤0.2％  

Melting point      ℃

550-560℃

/

560-580℃

Middle Contral Items

White degree      ％

90％

90％

90％

Permeation rate  15％

90％

92％

92％

Particle size (micron)

50％ overpass 1250

90％ overpass  450

90％ overpass  450

Store  period 

One year

Two years

Two years

Provide reference

Produce technics

Compose method

Compose method

Compose method

Packing

25KG drum

25KG drum

25Kg drum