No. 1688, Gaoke East Road, Pudong new district, Shanghai, China.
Chinese Drywall FAQs CAS Lab

Chinese Drywall FAQs CAS Lab

Drywall is comprised of gypsum (calcium sulfate dihydrate), for which the molecular formula is CaSO 4 ∙ 2 H 2 O. Therefore, the sulfur in gypsum is primarily in the sulfate (SO 4 form). Elemental sulfur, a solid, can exist in various states, including the orthorhombic cyclooctasulfur allotrope, commonly referred to .

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YOSHINO GYPSUM | About Us | Company Profile

YOSHINO GYPSUM | About Us | Company Profile

Throughout our history since our founding in 1901 and our incorporation in 1937, we have engaged in through our business, which is related to building materials, mainly focusing on "gypsum" and the development of construction methods using these materials. Our core product, "Tiger Board", is the first gypsum board produced in Japan.

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ASBESTOS AND GYPSUM DRYWALL Metro Vancouver

ASBESTOS AND GYPSUM DRYWALL Metro Vancouver

renovation or demolition project find out if the drywall in your home contains asbestos. Drywall installed pre1990 may have asbestos. Until about 1990, the tape and joint compound, or 'mud', used to seal the seams and fill gaps between drywall boards sometimes contained asbestos. Asbestoscontaining material is safe if left intact.

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Chinese Drywall Testing CAS Lab

Chinese Drywall Testing CAS Lab

Chinese Drywall Testing. ALS Environmental offers a reliable test protocol for identifying odor and corrosion problems in drywall. The tests identify problems with drywall, generally reported as "Chinese Drywall," that initially affected many homes in the southeastern United tests may be used to confirm visual home inspections and to demonstrate that corrosion effects are due ...

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Gypsum (shi gao) | Herbs | Nutrition Herbs

Gypsum (shi gao) | Herbs | Nutrition Herbs

In traditional Chinese medicine, gypsum has sweet, pungent and cold properties, and is associated with the Lung and Stomach meridians. Its main actions are to clear excess heat, particularly heat in the lungs and stomach. In modern times, gypsum is used for a variety of ailments, including high fevers, headaches, toothaches and painful gums.

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