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BL-A is used for black dying and anti-rust for screws and metal materials. ( Need to work with Zinc Phosphate)
Effectiveness
1. Dying black for metals.
2. High speed of black-dying.
Using Chemicals
1. BL-A: White powder
2. Hydrochloric Acid |
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| 阿爾發實業有限公司Arphar Industrial Co., LTD. |
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821-45高雄縣路竹鄉大同路475號
475 Da Tong Road, Lu-Chu Hsiang, Kaohsiung Hsien, Taiwan, R.O.C.
TEL：886-7-6978846~7 FAX：886-7-6978860
E-mail：mail@arphar.com |
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