Test                                         Items
Appearance                           White crystal powder
Aspect of solution                Clear and colorless
Heavy metals                        Max 20 PPM
Chloride                                  Max 100 PPM
Loss on drying                       Max 0.5%
Zinc content                          15.56-16.04%
Assay                                     Min 98.5%

Packing and Storage           Pack in paper-drums and two plastic-bags inside
Net Weight: 1Kg/bag, 25kgs/drums.
Store in a well-closed container away from moisture and heat

Strong antioxidant properties
Reduction in the risk of cancer
Increases the ability to heal wounds
Reduction in the risk of cardiovascular disease
Reduction in harmful effects of alcohol consumption
Prevention and action against the Herpes simplex virus                                                             
Prevention of diabetic cardiomyopathy
Prevention of Osteoporosis
Reduction in chances of developing liver disease
Prevention and reduction in progression of macular degeneration

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.