03 décembre 2014

PVA film manufacturing

PVA film manufacturing PVA is only can be bacteria as carbon source and energy use vinyl polymer, under the action of bacteria and enzymes, 46 days 75% biodegradable, belongs to a kind of biodegradable polymer materials, can be made of non-oil route for mass production, the price is low, the oil resistance, solvent resistance and gas barrier performance is outstanding, has unique advantages in terms of food, medicine packaging. Based on the application of PVA solution method, through stretch film preparation of thin film materials,... [Lire la suite]
Posté par kimmlife à 07:27 - Commentaires [0] - Permalien [#]

03 décembre 2014

what is hydrazine monohydrate ?

hydrazine monohydrate is a colorless, fuming and basic solution with a peculiar bad smell, soluble in water and alcohol, insoluble in chloroform and ethyl ether, flammable and corroding glass, rubber and leather, hydrazine hydrate's severe toxicity accumulates and harms blood and nervesHydrazine hydrate and its derivative products are widely used in many industrial applications, such as chemical products, pharmaceutical products, agricultural products, water treatment, used as reducing agents, antioxidants, such as... [Lire la suite]
Posté par kimmlife à 07:24 - Commentaires [0] - Permalien [#]