We are zinc products factory since year 1989 Can accept SGS or ccic test in port Export to more than 15 Countries ISO
We are Gaoyi County Yongchang Zinc Industry Corp.,Ltd . Mainly produce zinc products, our website
www.sjzyongchang.com or www.sjzyongchang.cn
Zinc carbonate need do CIQ test before export . We passed ISO Certificate fours ago , and now many world famous company use our goods . Welcome you visit our factory .
white flowing powder Zn 57.5% use in rubber, oil and pharmaceutical...ZnCO3 57.5%,57%,56%
TESTING CONTENTS ANALYSIS | |||
ITEM | ACTOR GRADE | UPTO GRADE | RESULTS |
APPEARANCE | WHITE POWDER | WHITE POWDER | WHITE POWDER |
MAIN COMPONENT (Zn) CONTENT | ≥57.5 | ≥56.6 | 58.0 |
BURN LOSS | 25.0 – 28.0 | 25.0 – 32.0 | 25.0 |
HEAVY METAI (Pb) CONTENT | ≤0.04 | ≤0.05 | 0.0052 |
WATER CONTENT | ≤2.5 | ≤5.0 | 0.52 |
SULFATE (SO4) | ≤0.60 | - - | 0.60 |
DGREE(BY 75um SLFT NET) | ≥95.0 | ≥93.0 | 97.0 |
Cd Content | ≤1.0 | - - | 0.0015 |
zinc carbonate