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It is an important industrial chemical chiefly used to produce the polymer polyvinyl chloride (PVC). Vinyl chloride is a colourless flammable gas that has a sweet odor and is carcinogenic . Vinyl chloride monomer is among the top twenty largest petrochemicals ( petroleum -derived chemicals) in world production. [ 2 ]
Prior to 2013 IS 201-4:2001 ( I.S. 201 part 4: PVC and Low Smoke Halogen Free Sheathed cables for fixed wiring) permitted both the UK style of twin and earth, and also a version with a CPC with a cross-section equal to that of the main conductors and insulated in green and yellow inside the full length of the cable.
Rigid PVC is used in construction for pipes, doors and windows. It is also used in making plastic bottles, packaging, and bank or membership cards. Adding plasticizers makes PVC softer and more flexible. It is used in plumbing, electrical cable insulation, flooring, signage, phonograph records, inflatable products, and in rubber substitutes. [10]
The new law requires a clothing, apparel and textile extended producer responsibility (EPR) program, as defined by lawmakers, reported Waste Today. “I’m very proud to see SB 707 signed into law.
The Living Building Challenge (LBC) Red List contains chemicals commonly used in building materials that have been designated as harmful to "health and the environment". The International Living Future Institute (ILFI) created the list in 2006, and is the only organization that uses the term 'Red List'. [1]
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Chlorinated polyvinyl chloride (CPVC) is a thermoplastic produced by chlorination of polyvinyl chloride (PVC) resin. CPVC is significantly more flexible than PVC, and can also withstand higher temperatures. Uses include hot and cold water delivery pipes and industrial liquid handling.
Most notably, the county-run Santa Ynez Reservoir — which is right in the heart of Pacific Palisades, and can hold 117 million gallons — was empty when the fires broke out last week, and has ...