We are TIANJIN XIBEIER INTERNATIONAL CO., LTD which is a specialized manufacturer and exporter of chemicals in China.
We can supply phosphoric acid, boric acid, chromic acid (chromic anhydride, chromium trioxide) of high quality at competitive price. The specific descriptions of the product are as follows:
1. phosphoric acid
(1) Product: phosphoric acid
(2) Molecular Formula: H3PO4
(3) Purity: 85%min
Chloride: 0.0005%max
Sulfate: 0.005%max
Fe: 0.002%max
As: 0.005%max
Heavy metal (Pb): 0.001%max
(4) Uses: Mainly used for phosphate industry, electroplating and chemical polishing, pharmaceutics industry, printing industry, metallurgy industry, paint industry etc.
(5) Package: Packed in plastic drums
(6) Country of Origin: China
2. boric acid
(1) Product: boric aicd
(2) CAS NO.: 10043-35-3
(3) Molecular Formula: H3BO3
(4) Molecular Weight: 61.83
(5) Purity: 99.6%min
B2O3: 56.5%min
Water insoluble matter: 0.01%max
Sulfate (as SO4): 0.10%max
Chloride (as Cl): 0.05%max
Fe: 0.002%max
Heavy metal (as Pb): 0.001%max
Size (60-80 mesh): 100% pass
(6) Uses: Mainly used as an antiseptic and preservative and in fireproofing compounds, cosmetics, cements and enamels etc.
(7) Package: Packed in plastic woven bag lined with a polyethylene plastic bag
(8) Minimum Order: 1*20’FCL
(9) Country of Origin: China
3. chromic acid (chromic anhydride, chromium trioxide)
(1) Product: chromic anhydride (chromium trioxide)
(2) CAS NO.: 1333-82-0
(3) Molecular Formula: CrO3
(4) Molecular Weight: 99.99
(5) Appearance: Amaranth flake matter
(5) Purity: 99.7%min
Water Insoluble Substances: 0.02%max
Sulfate: 0.06%max
Sodium (Na): 0.05%max
(6) Uses: Mainly used in chrome plating, the material of chrome oxide green, the mordant in the dyeing of wool knitting, the material of accelerant, the accelerant and oxidant in organic synthesis etc.
(7) Package: Packed in iron drum and inner plastic bag
(8) Minimum Order: 1*20’FCL
(9) Country of Origin: China
Please don’t hesitate to contact us if you are interested in our product. We will make our great effort to give you our best quality and service with the most competitive price. We hope to establish long-term trade relations with your esteemed company for mutual benefits.