Borax pentahydrate is a white, crystalline powder, colorless crystals or crystalline masses, efflorescent, soluble in water, very soluble in boiling water, freely soluble in glycerol.
Certifications
Item
Standard
Na2B4O7 5H2O %
≥ 99.5
Na2CO3 %
≤ 0.10
Water Insoluble Matter %
≤ 0.04
Na2SO4 %
≤ 0.20
NaCl %
≤ 0.03
Na2O %
≥ 16
B2O3 %
≥ 48.5
Fe %
≤ 0.002
Functions
1. Mainly used for glass and enamel industry.
2. Borax is the basic raw material for making boron compounds.
3.Used in herbicide,used in the farming area sterilant weeding.
Packaging & Shipping
Our Services
Company Information
Qingdao Sigma Chemical Co.,Ltd is a global chemical industry manufacturers and suppliers of pharmaceuticals
and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.
The aim of Qingdao Sigma Chemical Co.,Ltd is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.
Borax pentahydrate is a white, crystalline powder, colorless crystals or crystalline masses, efflorescent, soluble in water, very soluble in boiling water, freely soluble in glycerol.
1. Mainly used for glass and enamel industry.
