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Recycling codes are used to identify the materials out of which the item is made, to facilitate easier recycling process. The presence on an item of a recycling code, a chasing arrows logo, or a resin code , is not an automatic indicator that a material is recyclable; it is an explanation of what the item is made of.
BZ [3] Congener Number Formula Name CAS Number InChIKey Descriptors 0 C 12 H 10: Biphenyl 92-52-4 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 1 C 12 H 9 Cl: 2-Chlorobiphenyl 2051-60-7 LAXBNTIAOJWAOP-UHFFFAOYSA-N
A reference designator unambiguously identifies the location of a component within an electrical schematic or on a printed circuit board.The reference designator usually consists of one or two letters followed by a number, e.g. C3, D1, R4, U15.
Resin code for polyethylene terephthalate Polypropylene lid of a Tic Tac box, with a living hinge and the resin identification code, 5, under its flap. The Resin Identification Code (RIC) is a technical standard with a set of symbols appearing on plastic products that identify the plastic resin out of which the product is made. [1]
The metric codes still represent the dimensions in mm, even though the imperial size codes are no longer aligned. Problematically, some manufacturers are developing metric 0201 components with dimensions of 0.25 mm × 0.125 mm (0.0098 in × 0.0049 in), [ 31 ] but the imperial 01005 name is already being used for the 0.4 mm × 0.2 mm (0.0157 in ...
U.S. stocks open higher as investors snatch up aluminum and steel shares on President Trump's plan for a 25% tariff on those imports.
Eurocard is an IEEE standard format for printed circuit board (PCB) cards that can be plugged together into a standard chassis which, in turn, can be mounted in a 19-inch rack. The chassis consists of a series of slotted card guides on the top and bottom, into which the cards are slid so they stand on end, like books on a shelf.
4.3: Alkali metal amalgam, solid UN 3402: 4.3: Alkaline earth metal amalgam, solid UN 3403: 4.3: Potassium metal alloys, solid UN 3404: 4.3: Potassium sodium alloys, solid UN 3405: 5.1: Barium chlorate solution UN 3406: 5.1: Barium perchlorate solution UN 3407: 5.1: Chlorate and magnesium chloride mixture solution UN 3408: 5.1: Lead perchlorate ...
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