WebRoHS ( Restriction of Hazardous Substances) is a list of chemicals that must remain below a certain threshold. The list initially included six substances. In 2015, RoHS 3 introduced four new phthalates. With the addition of MCCPs and TBBPA, RoHS covers the following 12 substances: Lead (Pb) and lead compounds. Cadmium (Cd) and cadmium compounds. WebMar 22, 2024 · chemSHERPA 材质清单Ver1.00.02 锻造铝合金是通过用锤敲打金属施加压力,从而消除金属内部的空隙、使结晶粒微细化、调整结晶方向、提高强度 的锻造法加工而成的铝以及以铝为主要成分的合金。. 由于纯铝为柔软的金属,因此铝与铜、锰、硅、镁、 锌、 …
EPA Seeks Public Comment on Protecting Human Health and the …
WebOperation Purpose of the development. Available for Entire supply chain Conformity with int’l standards (IEC, IPC) Available for Various product categories Global … WebJun 10, 2024 · Helsinki, 10 June 2024 – N- (hydroxymethyl)acrylamide has been added to the Candidate List as it may cause cancer or genetic defects. It is mostly used in polymers and when manufacturing other chemicals, textiles, leather or fur. As a monomer for polymerisation, as a fluoroalkyl acrylate copolymer, and in paints and coatings. how do i check my ncb account online
“chemSHERPA,” a scheme that facilitates sharing …
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