指標名稱/Item
|
優級品/Top Grade
|
一級品/First Grade
|
合格品/Qualified Grade
|
外觀/Appearance
|
淡黃色或灰白色粉末/ Light yellow or grayish-white powder
|
||
初熔點(℃)/Melting point (℃) ≥
|
106.0
|
104.0
|
103.0
|
加熱減量/Heating loss % ≤
|
0.30
|
0.40
|
0.50
|
灰分/Ash %≤
|
0.30
|
0.40
|
0.50
|
篩余物 (150um) /Residues(150um)%≤
|
0.10
|
0.10
|
0.10
|