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Is Silicone Toxic?

Is Silicone Toxic?


Many people will ask this question. It is normal to have doubts, because silicone has a wide range of uses, and many daily necessities will have its traces, such as baby pacifiers. This is related to the safety of the baby, and parents will be very concerned about it. Now I tell you, don't worry, silicone is the most environmentally friendly and safe product that is non-toxic to people.

Organosilicon compounds refer to compounds that contain Si-C bonds and at least one organic group is directly connected to a silicon atom. It is customary to use those compounds that connect organic groups to silicon atoms through oxygen, sulfur, nitrogen, etc. Also used as organosilicon compounds. Among them, polysiloxanes composed of silicon-oxygen bonds (-Si-0-Si-) as the skeleton are the most widely studied and widely used type of organosilicon compounds, accounting for more than 90% of the total dosage.

【Organic silicon material, unique structure】

(1) Sufficient methyl groups on Si atoms shield the high-energy polysiloxane backbone;
(2) C-H has no polarity, which makes the intermolecular interaction very weak;
(3) The Si-O bond length is long and the Si-O-Si bond angle is large.
(4) Si-O bond is a covalent bond with 50% ionic bond characteristics (covalent bond has directionality, ionic bond has no direction).

Due to the unique structure of organosilicon, it combines the properties of inorganic materials and organic materials. It has the basic properties of low surface tension, low viscosity-temperature coefficient, high compressibility, high gas permeability, and has high and low temperature resistance, electrical insulation, oxidation resistance and stability. It is widely used in aerospace, electrical and electronic, construction, transportation, chemical industry, textile, food, light industry, medical and other industries. Among them, silicones are mainly used in sealing, bonding, lubrication, coating, surface activity, mold release, defoaming, foam suppression, waterproofing, moisture-proof, inert filling, etc. With the continuous growth of the quantity and variety of organic silicon, the application field has been continuously expanded, forming an important product system in the field of new chemical materials, and many varieties are indispensable for other chemicals. According to their different forms, silicone materials can be divided into: silane coupling agent (organosilicon chemical reagent), silicone oil (silicone grease, silicone emulsion, silicone surfactant), high temperature vulcanized silicone rubber, liquid silicone rubber, silicone resin, compound, etc.

The following are some application areas:

Baby products:
From the pacifiers, chews, toothbrushes in the baby's mouth, to the bibs, bowls and spoons used for eating, to baby toys, etc., there are food-grade silicone. It is non-toxic, tasteless, skin-friendly, dirt-resistant, high-temperature resistant, and tear-resistant, which perfectly meets the harsh requirements of baby products.

Kitchen Supplies:
Since silica gel can withstand high temperature to 220℃ and low temperature to minus 40℃, it is also widely used in the kitchen. For example, the special silicone spatula for non-stick pans, the mold for baking cakes, the silicone steaming box, the telescopic water cup, etc., gradually replace the general plastic products and glass products, and become the new favorite of the housewives and cooks.

Daily necessities:
It also has various applications in life, such as silicone puffs for girls' makeup, retractable washbasins, silicone pads, etc. Food grade silicone is so widely used, which is closely related to its excellent properties:

Food grade silicone is a kind of environmentally friendly silicone, non-toxic, odorless, high transparency; soft, good elasticity, kink resistance and no deformation; no cracking, service life of up to 10 years, cold resistance and high temperature resistance (-40℃-220℃) , far more than food plastic products. The use process is safe, even when scorched, it will only decompose into silicon dioxide and water vapor, which is non-toxic and harmless, and plastics will cause environmental hormones to leak out and accumulate in the adipose tissue of the human body under high temperature conditions; It has higher tear strength and superior electrical properties; it does not turn yellow when placed at room temperature, does not spray frost, does not spit white, does not fade, has no scale or peculiar smell in water for a long time; Dishwasher cleaning, easy to use, is a good helper for housewives.

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