What is the difference between PVC recycled material and virgin material?

There are many other chemical additives in the recycled material, while the new material is "pure" polyvinyl chloride.

Summary. Hello, I am glad to answer for you, the difference between plastic recycled materials and raw materials is as follows: the products using recycled materials are brittle, easy to break or burst, and are very undurable; Generally, the recycled material will contain a lot of impurities, so some characteristics are weakened compared with the original material, such as poor color, impure and easy to turn yellow, and ash after combustion; Because the recycled material is dissolved at high temperatures, it is likely to emit a pungent odor that may be harmful to the human body.

Hello, I have seen your question, and I am sorting out the answer, please wait for a while Hello, I am happy to answer for you, the difference between plastic recycled materials and raw materials is as follows: the products using recycled materials are brittle, easy to break or burst, and very undurable; The general recycled material will contain a lot of impurities, so some characteristics are weakened compared with the original material, such as poor color, impure and easy to turn yellow, and ash after combustion; Because the recycled material is dissolved at high temperatures, it is likely to emit a pungent odor that may be harmful to the human body.

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Recycled material: A friend of the side cut industry can be the best in the industry, through a certain processing process and can be used again raw materials called recycled material. Generally refers specifically to recycled plastics.

Recycled materials are generally produced by the reuse of chemical products, through a certain processing means, to create a variety of corresponding products, product demand is different, the properties of recycled materials are different, so that you can use recycled materials to manufacture different products, because of the problem of world resources. More and more users are using recycled materials, and plastic product manufacturers are increasingly favoring and arguing for the use of recycled materials.

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PVC new material and PVC recycled material are two kinds of plastics used in different fields, raw material is directly processed in raw materials, recycled material is the first raw material used up in the industry through a certain processing and reuse of raw materials is called recycled material, the characteristics of recycled material in the case of the same material will be worse than raw material. Because the recycled material is processed at high temperature, the brittleness increases, the toughness decreases, and it is easy to break. The main differences between PVC virgin material and recycled material are as follows:

First: the products using recycled materials are brittle, easy to break or burst, and are very undurable.

Second: Generally, the recycled material will contain a lot of impurities, so some characteristics are weakened compared with the original material, such as poor color, impure and easy to turn yellow; Ash is produced after combustion.

Third: Because the recycled material is dissolved at high temperature, it is likely to emit a pungent taste, which may be harmful to the human body.

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PVC plastic, chemical field refers to the compound polyvinyl chloride. English name polyvinyl chlorid, English abbreviation PVC. This is the most widely used meaning of PVC.

It is yellowish and translucent in nature, and it is shiny. The transparency is better than polyethylene, polypropylene, worse than polystyrene, with the amount of additives, divided into soft and hard polyvinyl chloride, soft products are flexible and tough, feel sticky, the hardness of hard products is higher than that of low-density polyethylene, and lower than polypropylene, and there will be whitening phenomenon at the inflection. Common products:

Plates, pipes, shoe soles, toys, doors and windows, wire skins, stationery, etc. It is a polymer material that uses one chlorine atom to replace one hydrogen atom in polyethylene.

PVC plastic itself is non-toxic, but vinyl chloride (VCM) monomer for polymerizing PVC is carcinogenic. It is generally specified that the VCM content is less than 1ppm, and it is a non-toxic sanitary grade resin. Therefore, to see whether PVC is toxic, the first thing is to see whether the resin is a sanitary grade grease.

Second, look at the additives, PVC processing to use a large number of additives, additives are toxic and non-toxic, especially stabilizers, opaque with lead salt, cadmium salt, barium salt, etc. are toxic, other non-toxic. The same is true for other ribs, some are toxic and some are non-toxic. Therefore, PVC is non-toxic, but whether PVC products are toxic depends on the specific product, not necessarily, like PVC tablets are used in a large number of drug packaging, and disposable infusion tubes are all PVC.

The thermal stability of PVC is not very good, and it is easy to decompose when heated, but the temperature is at least about 170 degrees, and the light will not cause PVC to decompose. Decomposition is the production of HCl, the smell is very pungent, generally only in the production process, will not appear in use, this can be assured. Therefore, it is recommended that you touch it directly, or do not buy PVC materials, such as cups, soup spoons, etc., it is recommended that you still buy ceramic or iron It is safer.

Here's how to distinguish it:

1. Color: Whatever is transparent is better than the non-transparent, no matter what color it is.

By observing the appearance of plastics, we can preliminarily identify the categories to which plastic products belong

1. Thermoplastics, thermosets or elastomers. Generally, there are two types of thermoplastics: crystalline and amorphous. Crystalline plastics are translucent, milky or opaque in appearance, and only in the film state are transparent, with hardness ranging from soft to.

Amorphous is generally colorless, fully transparent without additives, and harder than keratin rubber (additives such as plasticizers are often added at this time).

2. Thermosetting plastics usually contain fillers and are impermeable, and are transparent if they do not contain fillers. Elastomers have a rubbery feel and a certain elongation rate.

3. The upstream raw materials of the new material are extracted from the first grade, without any reprocessing, and its characteristics are milky white, crystal clear, without any impurities, and the physical properties are particularly good, and it is easy to process.

Second, the luster: the luster is better than the non-luster, that is, the color of the surface of the material.

1. The products produced by new materials are generally colorless and odorless, have good luster, good elasticity, very soft feel, and the most important thing is health and safety.

2. The finished product of new material has good mechanical properties such as tensile strength and good anti-aging performance;

3. The tensile and other mechanical properties of the old materials and finished products are poor, and the chemical properties such as anti-aging are degraded.

4. Recycled raw materials are very extensive, and also very miscellaneous, compared with new material particles, there is a world of difference, and the products produced can not guarantee health and safety, the products are colored, without any luster, and the feel is rough.

Secondary material refers to the trimmed scraps after the product is made, and then powdered into granules for use.

The recycled material is regranulated from the secondary material, and some are added with calcium.

Recycled material is all the raw materials that can be used again in the industry through a certain processing process.

Polypropylene is a polymer formed by the polyaddition of propylene.

2. The characteristics are different.

Recycled materials: **The raw materials used are stronger than new materials in some properties, some properties are still the same as new materials, and other properties are still worse than new materials.

Polypropylene is a colorless, odorless, non-toxic, translucent solid substance. Polypropylene (PP) is a thermoplastic synthetic resin with excellent performance, which is a colorless and translucent thermoplastic lightweight general plastic.

Sogou asked. 3. The advantages are different.

Polypropylene has chemical resistance, heat resistance, electrical insulation, high-strength mechanical properties, and good wear resistance.

The biggest advantage of recycled materials is that they are definitely cheaper than new materials. Although its overall properties and properties are not as strong as those of new materials, we do not need to use materials with good properties and properties in many aspects of product production to manufacture it, which wastes a lot of unnecessary properties.

Recycled materials are different, and according to different needs, only some aspects of the properties need to be processed to produce the corresponding products, so as not to cause the loss of resources.

Secondary material is the reused material after the new material is used once (or even two or three times).

Recycled material is a general term for reprocessing

The effect of calcium is to increase weight, and calcium is the filler.

Calcium should refer to calcium carbonate.

Summary. PVC recycled material is uncertain due to the uncertainty of raw materials, and there may be restricted substances (such as lead, cadmium) exceeding the standard, while the formula and formula of new PVC are controllable, so the new material will win in terms of environmental protection.

Due to the diversification of raw material colors, PVC recycled material is difficult to change in the color matching process, and generally only more black powder can be added to make black, while the new PVC background color is the primary color, which can be adjusted to the desired color with toner.

PVC recycled material is melted and reprocessed, and the raw material is also used for a period of time, in this process the physical properties and insulation resistance properties of PVC will decrease, so if you want to ensure that the material meets the standard, you still need a new PVC

The advantage of PVC recycled material is that it will be cheaper.

What is the difference between PVC recycled material and new material?

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PVC recycled material due to the raw material ** is determined by the non-slag notice, there may be restricted substances (such as lead, cadmium) exceeding the standard, and the formula and formula of the new PVC are controllable, so the new material will win in terms of environmental protection. Due to the diversification of raw material colors, PVC recycled material is difficult to change in the color matching process, and generally only more black powder can be added to make black, while the new PVC background color is the primary color, which can be adjusted to the desired color with toner. PVC recycled material is melted and reprocessed, and the raw material is also used after a period of time, in this process the physical properties and insulation resistance properties of PVC will decline, so if you want to ensure that the material meets the standard, or the advantage of new recycled material is that it will be cheaper.