Question 1: Is silicone a type of plastic?

Silicone is not a plastic. Silicone rubber: silicone rubber is a highly reactive adsorbent material, which is an amorphous substance with the chemical formula mSiO2・nH2O. insoluble in water and any solvent, non-toxic and tasteless, chemically stable, and does not react with any substance except strong alkali and hydrofluoric acid. Various types of silica gel have different microporous structures due to different manufacturing methods. The chemical composition and physical structure of silica gel determine that it has many characteristics that are difficult to replace by other similar materials: high adsorption performance, good thermal stability, stable chemical properties, high mechanical strength, etc. Silicone rubber is classified according to its pore size: large pore silica gel, coarse pore silica gel, B-type silica gel, fine pore silica gel.

Question 2: The difference between pvc rubber and ordinary rubber

PVC is not rubber at all, it should belong to plastic. Plastic is generally hard, rubber is generally soft, but this is not absolute. pvc soft rubber is a special case. It is because PVC soft rubber feels like rubber, but in fact it is not rubber at all. Rubber is divided into natural rubber, styrene-butadiene rubber, neoprene, nitrile rubber, silicone rubber and so on, nearly 20 kinds. Rubber is one of the polymer materials.

High elasticity at room temperature is a unique feature of rubber materials, which is not available in any other material, so rubber is also called elastomer. Highly elastic materials are characterized by a large elastic deformation up to 1000% under external forces and a rapid recovery of deformation after removal of external forces, while the deformation of metallic materials with general elasticity is only about 1%.

What is rubber, as defined in ASTM D1566: Rubber is a material that can be modified to recover its deformation quickly and forcefully under large deformation. Modification essentially means vulcanization. Raw rubber, i.e., rubber that has not been cross-linked, consists of linear macromolecules or macromolecules with branched chains. It has three states, namely, glassy, highly elastic and viscous flow state, as the temperature changes. The unvulcanized rubber becomes hard at low temperature and soft at high temperature, has no ability to keep its shape and has low mechanical properties, so it is basically useless and must be vulcanized before it can be used. In other words, raw rubber needs a series of processing to make useful rubber products, thus giving rise to the rubber processing industry.

The processing of PVC does not require vulcanization. If you light it on fire, PVC will turn into liquid, while rubber will only turn into ash. From this appearance, it is easy to distinguish them. Also rubber is mostly industrial products. Only a few of them are used in daily life. For example, tires, hoses, tapes, sealing products, vibration damping products and so on.

Question 3: What is the difference between silicone and plastic?

Silicone rubber is a highly active adsorbent material, insoluble in water and any solvent, non-toxic and tasteless, chemically stable, does not react with any substance except strong alkali and hydrofluoric acid. Various types of silica gel form different microporous structures due to their different manufacturing methods. The chemical composition and physical structure of silica gel determine that it has many characteristics that are difficult to replace by other similar materials: high adsorption performance, good thermal stability, stable chemical properties, high mechanical strength, etc. Silicone is classified according to its pore size: large pore silica gel, coarse pore silica gel, B-type silica gel, fine pore silica gel.

Plastic is a kind of material with high molecular weight organic substance as the main component, it presents solid shape when processing is completed, and it can be shaped by flowing in the manufacturing as well as processing process.

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Question 1: Are silicone and plastic the same?

Plastic is also often called plastic, but silicone and plastic and rubber, despite having the word rubber in their names, are very far apart in nature.
Plastic and rubber are essentially similar, being a mixture of compounds based on polymeric hydrocarbon chains.

Silica gel can be divided into two categories according to its nature and components: organic silica gel and inorganic silica gel.

Inorganic silica gel is a highly reactive adsorbent material, usually made by reacting sodium silicate with sulfuric acid and undergoing a series of post-treatment processes such as aging and acid soaking. Silica gel is an amorphous substance, and its chemical molecular formula is mSiO2 ．nH2O.

Silicone is an organosilicon compound, which is a compound containing Si-C bond, and at least one organic group is directly connected with silicon atoms, and it is also customary to treat those compounds with organic groups connected with silicon atoms through oxygen, sulfur, nitrogen, etc. as organosilicon compounds. Among them, the silicon-oxygen bond (-Si-O-Si-) as the backbone composition of polysiloxanes, is the most applied category, accounting for about 90% or more of the total amount.

Question 2: Which guru knows the difference and characteristics of plastic, silicone and rubber materials

Definition of plastic: mainly by carbon, oxygen, hydrogen and nitrogen and other organic or inorganic elements, the finished product is a solid, molten liquid in the manufacturing process, so it can be heated to melt, pressure to make it flow, cooling to cure, and the formation of a variety of shapes, this large and varied material groups called plastic.

Plastic: is a high molecular weight synthetic resin as the main component, adding appropriate additives, such as plasticizers, stabilizers, flame retardants, lubricants, colorants, etc., through the processing of plastic (flexible) materials, or curing cross-linked to form a rigid material.

Silica gel: silicate gel is a highly active adsorbent material, an amorphous substance, its chemical molecular formula is mSiO2・nH2O; it does not react with any substance except strong alkali and hydrofluoric acid, insoluble in water and any solvent, non-toxic and tasteless, chemically stable. Various types of silica gel have different microporous structures due to their different manufacturing methods. The chemical composition and physical structure of silicone determine that it has many characteristics that are difficult to replace by other similar materials: high adsorption performance, good thermal stability, stable chemical properties, high mechanical strength, etc.

Early rubber was made from the latex of rubber trees, rubber grasses, and other plants, and was processed to produce a material that was elastic, insulating, and impervious to water and air. Highly elastic polymer compound. There are two types of rubber: natural rubber and synthetic rubber. Natural rubber is made by extracting gum from rubber trees, rubber grass and other plants, while synthetic rubber is made by polymerization of various monomers. Rubber products are widely used in industry or in various aspects of life.

Question 3: Is silicone a kind of plastic?

The “silicone” you are talking about is actually silicone rubber, which is not a plastic. The specific customs code can be found in the manual.
The real sense of “silicone” refers to the silicone as the main functional component of the colloid-like substances, such as silicone sealant, color-changing silicone, etc.

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