Lockhart Chemical Co.,Ltd.
Flat A2,
4/F, Kin Lee Bldg.,138-146 Jaffe Road, Wanchai, Hong Kong
Tel :
(852) 2802-8342 Fax : (852)
2802-9129 Email :
lockhart@netvigator.com
Red Flake
Na2S 60% Min.
Na2CO3 1.5% Max.
NaS2O2 2% Max.
Na2SO3 2% Max.
Fe 1500 ppm Max..
Yellow Flake
Na2S 60% Min.
Na2CO3 1.5% Max.
NaS2O2 2% Max.
Na2SO3 2% Max.
Fe 80 / 50 / 30 / 10 ppm Max..