... .06% max Application:For industrial use, such as oil field, paper-making, textile, dyeing, petrochemical industry, tanning industry, metallurgical industry ... fermentation agent, and nourishment. Packing:25kgs net paper bags or 25kgs net plastic woven bags Storage:It should be stored in a ... with care,so as to avoid damage to plastic bags.Furthermore,is should be stored separately from poisonous.