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Published in the peer-reviewed journal Chemosphere, experts from the nonprofit Toxic-Free Future said they detected flame retardants and other toxic chemicals in 85% of 203 items made of black ...
Black-colored plastic used in kitchen utensils, takeout containers and children’s toys may contain potentially cancerous chemicals due to mistakes in recycling practices, a new study finds.
Bisphenol A (BPA) is a chemical compound primarily used in the manufacturing of various plastics.It is a colourless solid which is soluble in most common organic solvents, but has very poor solubility in water.
The study, which was published in the journal Chemosphere, detailed how high levels of these flame retardants were found in kitchen utensils, food containers, trays used to hold meat and even toys ...
HDPE is known for its high strength-to-density ratio. [4] The density of HDPE ranges from 930 to 970 kg/m 3. [5] Although the density of HDPE is only marginally higher than that of low-density polyethylene, HDPE has little branching, giving it stronger intermolecular forces and tensile strength (38 MPa versus 21 MPa) than LDPE. [6]
The National Association for PET Container Resources (NAPCOR) defines PET as: "Polyethylene terephthalate items referenced are derived from terephthalic acid (or dimethyl terephthalate) and mono ethylene glycol, wherein the sum of terephthalic acid (or dimethyl terephthalate) and mono ethylene glycol reacted constitutes at least 90 percent of ...
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