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  • Dongguan KaiAo Silicone Products Co.,Ltd.

  •  [Guangdong,China]
  • Business Type:Manufacturer
  • Main Mark: Americas , Asia , Middle East , Oceania , West Europe , Africa
  • Exporter:51% - 60%
  • Certs:ISO14001, FDA
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Dongguan KaiAo Silicone Products Co.,Ltd.

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Safety and environmental considerations

Safety and environmental considerations

No "marked harmful effects on organisms in the environment" have been noted for silicones[citation needed]. Because they are widely used, they are pervasive. They biodegrade readily, a process that is accelerated by a variety of catalysts, including clays.Cyclic silicones have been shown to involve the occurrence of silanols during biodegration in mammals. The resulting silanediols and silanetriols are capable of inhibiting hydrolytic enzymes such as thermolysin, acetycholinesterase, however the doses required for inhibition are by orders of magnitude higher than the ones resulting from the accumulated exposure to consumer products containing cyclomethicones.

Around 200 °C in oxygen-containing atmosphere, PDMS releases traces of formaldehyde but less than other common materials such as polyethylene., and by 200 °C (392 °F) Silicones (< 3 µg CH2O/(g·hr) for a high consistency silicone rubber to 48 µg CH2O/(g·hr)) were found to be superior to mineral oil and plastics (~400 µg CH2O/(g·hr)) at about 200 °C (392 °F), by 250 °C (482 °F) copious amounts of formaldehyde have been found to be produced for all silicones (1200 µg CH2O/(g·hr) to 4600 µg CH2O/(g·hr)).
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