Gansu new zeolite molecular sieve _ (certified) _ new zeolite molecular sieves by Shanghai Limited. Shanghai new molecular sieve Limited (www.molsionms.com) is specialized in the "sieve" of the enterprise, the company of "honesty, hard service" concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Mr. Pan. Then how to identify whether 3A molecular sieve desiccant can be used to identify whether the Food and Drug desiccant it can be used for food, there are two methods:? A desiccant whether related to food safety inspection reports such as:? Microorganisms, heavy metals, and other abnormal toxicity . Second, the desiccant packaging material meets the requirements of food packaging materials? Packaging materials in direct contact with food, is more important than the safety of the contents. Currently in Nanjing zeolite types of packaging materials, food-grade plastic composite, DuPont paper is more suitable. (Our mineral fiber desiccant molecular sieve desiccant and columnar company devoted to food, many customers currently use) but exports desiccant should be relatively more stringent requirements, especially to the United States Food and Drug zeolite types, all of the material must comply with FDA certification. (DuPont paper has FDA approval). Shanghai has a new molecular sieve welcome your advice! 3A molecular sieve, sieve new! Shanghai Co., Ltd. established new molecular sieves have a strict quality management system, has passed ISO9001: 2008 international quality management system certification. Main products: 3A molecular sieve, 4A molecular sieves, 5A molecular sieves, 13X molecular sieves, PSA oxygen hydrogen molecular sieve, sieve for insulating glass, refrigerant dry molecular sieve XH series, refrigeration dried filter, Airbrake pneumatic brake molecular sieve, various activation powder. The porous material has been widely used in many fields, such as the main catalytic microporous molecular sieve material, adsorption and ion exchange material separation materials plays an increasingly important role in oil processing, petrochemicals, fine chemicals, and household chemicals . Molecular sieves (also known as a synthetic zeolite) is a microporous aluminosilicate crystalline silicon. It is made of silicon oxide, aluminum oxide tetrahedra basic molecular sieve framework structure, there is a metal cation in the crystal lattice (such as Na +, K +, Ca2 +, Li +, etc.), in order to balance the negative charge excess crystals. According to their type of zeolite crystal structure is divided into: A type, X-type, Y type. Zeolite standards: "3A molecular sieve" "4A molecular sieve" "5A molecular sieve and test methods" "13X molecular sieve" "sieve static water assay method" "molecular sieves dynamic water assay method", "Determination of dynamic zeolite adsorption of carbon dioxide." " granular sieve size determination, "" Determination of bulk density of molecular sieve "," test "sieve crush strength" test method using a molecular sieve desiccant cooling system anti-wear performance, "" industrial activated alumina, "" air separation plant with activated alumina Acceptance of technical conditions. "