Chung Hwa Chemical Industrial Works, Ltd. 

Electronic Chemicals

電子化學產品
No. Product name
1 RUVA-93 CAS Number:96478-09-0
2 Positive photoresist CAS Number:7647-01-0
3 Developer CAS Number:75-59-2
4 Electronic Grade Sulfuric Acid (PPB) CAS Number:8014-95-7
5 Electronic Grade Sulfuric Acid (PPT) CAS Number:8014-95-7

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