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Silicone granulomas are a skin condition that occur as a reaction to liquid silicones, and are characterized by the formation of nodules. [1]: 46 Formation of a granuloma is a common tissue response to a range of foreign bodies. Silicone can be directly injected into tissue as part of a cosmetic procedure or it can leak from silicone implants.
Silicone caulk can be used as a basic sealant against water and air penetration. In organosilicon and polymer chemistry, a silicone or polysiloxane is a polymer composed of repeating units of siloxane (−O−R 2 Si−O−SiR 2 −, where R = organic group). They are typically colorless oils or rubber-like substances. Silicones are used in ...
The silicone polymers are often made by reacting dimethyl dichlorosilane with water. [4] Linear dimethylpolysiloxane polymer reaction. Fillers such as acetic acid can provide a fast cure time, while oxides and nitrides can provide better thermal conductivity. Tack-free times are typically on the order of minutes, with cure times on the order of ...
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Silicone rubber is an elastomer composed of silicone—itself a polymer—containing silicon together with carbon, hydrogen, and oxygen. Silicone rubbers are widely used in industry, and there are multiple formulations. Silicone rubbers are often one- or two-part polymers, and may contain fillers to improve properties or reduce cost.
The recalls come after news of at least seven reported illnesses in several states.
Kids' melatonin gummies can be dangerous. Study finds reports of melatonin poisoning in kids have increased. Know the symptoms of melatonin overdose in a child.
As of last Tuesday, the agency had received at least 65 reports of lead poisoning in children potentially linked to the recalled products. All of the reported cases — which haven’t necessarily ...