Polyethylene Sleeving For DI Pipe

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Product Description:


1. Product produced according to ISO8180

2. Thiciness 200um, 400um and other thickness is available upon request

3. Black color, other color is available upon request

4. Corbon black content 2-3

5. Puncture Resistance ≥900

6. Breack strength ≥20

7. Breack elongation ≥500

8. Tear resistance ≥20


For Ductile iron pipe DN80-DN2000.

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Q:The use of various plastic materials?!
GPPS modified polystyrene 204The transparency of 88-92%, refractive index 1.59-1.60, suitable for light products, dyeing is strong, non-toxic and tasteless, no fungus growth, high impact strength, resistance to acid and alkali resistant performance is good, not on the basis of solvent, excellent electrical properties, easy molding, moisture less than 0.02% can maintain the strength and size of high humidity, but the brittleness.Suitable plastic products: decorations, lighting signs, lampshades, stationery, transparent toys, daily necessities, instrument lenses, freezers and thermal insulation in the refrigerator (after foaming).
Q:What are the grades of plastics from 1 to 7?
The United States Plastics Industry Association (Society of Plastics Industry, SPI) made use of plastic products of plastic type sign code, is composed of representatives of the circular triangle in the middle of the three arrows mark, plus the numbers, they will recover triangle marking attached to the plastic products, and with the numbers 1 to 7 and English abbreviations to refer to the use of plastic resin type generation. As a result, the identification of plastic varieties has become simple and easy, and the cost of recycling has been substantially reduced. Today, many countries in the world have adopted the SPI logo scheme. China enacted almost identical labeling standards in 1996.
Q:Waste plastics recycling plant how to solve environmental problems
Characteristics of plastics:Plastic has excellent chemical stability, corrosion resistance, electrical insulation and shock absorption, sound insulation effect is good sound insulation,, and has good elasticity, good with metal, glass, wood and other materials bonding, easy processing. In the four big industrial materials, the quantity, function, status and application range of plastics are expanding rapidly, leading a large number of metals, wood, paper and so on. They are widely used in various fields of national economy.Hazards of plastic use:However, it is because of some excellent properties of plastics that it is not easy to decay after use or consumption. It has seriously affected the ecological environment of the earth, and has aroused great concern all over the world.
Q:Can plastics be recycled?
According to the thermal properties of plastics can be divided into two categories, one is thermosetting plastics, thermosetting plastics is cured or insoluble in heat or other conditions (melting) properties of plastic, such as phenolic epoxy plastics.
Q:When was plastic invented?
Advantage1., most of the plastic corrosion resistance, and not with acid, alkali reaction.2. plastic manufacturing costs low.3. durable, waterproof, light quality.4. easy to Suzhi into different shapes.5. are good insulators.6., plastics can be used in the preparation of fuel oil and fuel gas, which can reduce oil consumption.shortcoming1., the recycling of waste plastics, classification is very difficult, but also uneconomical.2.. Plastics burn easily and produce poisonous gases when they burn. For example, toluene combustion produces a small amount of polystyrene, this substance can cause blindness, vomiting and other symptoms of inhalation, PVC combustion will produce toxic gases, hydrogen chloride in combustion, is a high temperature environment, will lead to plastic decomposition of toxic components, such as benzene etc..3. plastics are made from petroleum refining products, and oil resources are limited.4. plastic buried in the ground for hundreds of years, thousands of years or even tens of thousands of years will not decay.5., the heat resistance of plastic is poor, easy to aging.6. because of the inability of plastics to degrade naturally, it has become the number one enemy of mankind and has led to the tragedy of many animal deaths.
Q:What are the main defects of common plastic products?
Uneven color or discoloration: discoloration of plastic or pigment due to improper distribution of pigments or fillers; uneven color on the surface of plastic products. Uneven color varies with the appearance of the reasons. Near the inlet is mainly uneven distribution of pigments, such as when the whole plastic products uneven color is caused by poor thermal stability of plastic, and the uneven color of the weld site is related to the nature of the pigment.Plastic products are fragile: because of bad plastics, obvious directionality, internal stress and plastic structure is not good, so that the strength of plastic products decreased, brittle, easy to crack (especially in the direction of material flow easier to crack).Bad mold release: because of excessive filling effect, bad mold release performance and other reasons, make plastic products difficult to release or after the release of plastic deformation and rupture, or plastic products residual direction does not meet the design requirements.
Q:Is it harmful to health to drink water with plastic cups?
The plastic cup is heated and some chemicals are precipitated.Although the plastic surface looks smooth, but in fact there are many gaps, easy to shelter evil people and countenance evil practices. In the office, most people clean the cups only with clean water, and the cups can not be thoroughly cleaned and disinfected.
Q:Plastic pipe compared to other pipe what are the advantages?
Because of the advantages of water loss, filial piety, energy saving, material saving, ecological protection and convenient completion, plastic pipes are widely used in the fields of building water supply and drainage, town water supply and drainage, gas pipe and so on, and become a new century...
Q:What's the difference between memory plastic and sheet metal?
Ingredients: most of the ingredients are acetate fibers, and a few high-grade frames are fibers of propionic acid. The cellulose fiber sheet is divided into injection molding and compression grinding type, injection molding, as the name suggests, is watered by the mold, but most of the current press polishing processing plate glasses. On the origin of the plate, France and Italy plate is better, and Japan is also relatively good, many of the high grade plate glasses are based on these high-quality plates, and therefore more trustworthy quality. Design: designed for the general public and the pursuit of quality of life students tailor-made. Features: simple, introverted design style, the overall show of a sedate side, using the right coloring process. Emphasize stereoscopic changes in the mirror's leg line.
Q:What are the advantages and disadvantages of plastics?
The plastic can be processed into various shapes according to the requirement of use, and the processing technology is simple, and the machine is suitable for large-scale production by mechanization.

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