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  • 1. The relationship between toughness and flame retardancy of PEOrdinary PE toughness is very good, better than PVC pipe. But the concept that everybody comes out is to be based on common PE tubing character.For coal mine pipe sources, flame retardant and antistatic.For antistatic PVC or PE, the insulation is good, the surface resistivity of up to 1012-15 Ω, need antistatic agent to reduce to 1 * ...

  • SPC floor main performance requirements1. Low shrinkage, warping and good toughness.2. Make sure that it is not easy to deform under various environments and has good locking tension and a certain peeling force between the substrate and the film. The performance mainly depends on the material type component processing technology equipment ability to decide.SPC processing requirements1. The stabili...

  • 3. Internal lubricantThe commonly used inner lubricants include stearic acid, 60, monoglyceride, 316, etc.Insufficient internal lubrication, poor dispersion of materials, uneven plasticization, difficult to control the thickness of products, foam board in the middle of the thick on both sides of the thin, may also appear white belt, and cavity adhesion and local overheating and other phenomena;Too...

  • 1. StabilizerThe most commonly used stabilizers for PVC foamed products are lead salt stabilizer and calcium zinc stabilizer. With the increasingly stringent requirements for environmental protection and the increasingly high cost performance of calcium zinc stabilizer, the application of calcium zinc stabilizer has become more and more extensive.Lack of stabilizer, yellow, paste, brittle products...

  • 1. Excellent surface hardness and tensile strength of pipes, high pipe safety coefficient.2. Good aging resistance, normal service life of more than 50 years.3. The pipeline has excellent corrosion resistance to inorganic acid, alkali and salt, and is suitable for industrial sewage discharge and transportation.4. Small friction coefficient of pipeline, smooth water flow, not easy to block, less ma...

  • 1. Excellent surface hardness and tensile strength of pipes, high pipe safety coefficient.2. Good aging resistance, normal service life of more than 50 years.3. The pipeline has excellent corrosion resistance to inorganic acid, alkali and salt, and is suitable for industrial sewage discharge and transportation.4. Small friction coefficient of pipeline, smooth water flow, not easy to block, less ma...

  • 1. PVC copolymerPVC(vinyl chloride) and other monomer copolymer resin composition if there are polar or large groups of components, the copolymer thermal deformation temperature increases accordingly, heat resistance is better than PVC, heat resistant products were made. PVC softening temperature is 78 ℃, and vinyl chloride vinylidene chloride and vinyl chloride copolymer of methyl methacrylate, v...

  • PVC plate is a relatively common plastic plate, it has a good performance, the following we will understand its production molding process what:The first is free foaming, in which the melt expands unrestricted as soon as it leaves the die and, after a short period of time, enters a larger size setting device. The advantage of this method is simple process, suitable for the production of thickness ...

  • Rutile titanium dioxide can disperse the visible light more effectively, and has a stronger uv absorption capacity. As a result of its photochemical activity and uv absorbency, the layer failure of anatase titanium dioxide limited the service life of the coating. As pure titanium dioxide is a photocatalytic carrier, it can absorb ultraviolet rays, but it can cause photochemical catalysis. After su...

  • Because the CPE molecule does not contain double chains, it has good weather resistance, flame resistance and thermal stability, which are superior to PVC, low cost and excellent performance. Soluble in aromatic hydrocarbons and halogenated hydrocarbon, does not dissolve in fat hydrocarbon, above 170 ℃ decomposition, release hydrogen chloride gas, it has stable chemical structure, excellent aging ...

  • I. cleaning of PVC floor1.Dry mop: remove dust and dirt from the floor. Use dry or wet yarn, microfiber or other dry mops available.2.Vacuum cleaning: use a vacuum cleaner to remove dust and loose dirt from the floor. In restricted areas, this cleaning method can be used instead of a mop.3.Slightly wet mop: the mop should be slightly wet with water or detergent first. The method is to squeeze the ...

  • Main features of PE wax:Has low viscosity, high softening point, good properties such as hardness, non-toxic, good thermal stability, high temperature and low volatile, the pigment dispersion, both excellent external lubricity, and strong internal lubrication, can improve the production efficiency of plastic processing, moisture resistant performance is good at room temperature, chemical resistant...

  • 1. The range of processing is narrow, and the processing technology requirements should be strictly implemented.Compared with the traditional composite lead thermal stabilizer, the long-term thermal stability of calcium and zinc thermal stabilizer is still relatively poor, and the processing time is long and easy to yellow, and the sensitivity to process temperature is also high.2. The volatile co...

  • 1. The range of processing is narrow, and the processing technology requirements should be strictly implemented.Compared with the traditional composite lead thermal stabilizer, the long-term thermal stability of calcium and zinc thermal stabilizer is still relatively poor, and the processing time is long and easy to yellow, and the sensitivity to process temperature is also high.2. The volatile co...

  • 1. The appearance quality of light calcium carbonate is different from that of heavy calcium carbonate(1) Different packing densityThe obvious difference between heavy calcium carbonate and light calcium carbonate lies in the different packing density of products. Generally, the packing density of heavy calcium carbonate products is larger, 0.8-1.3g /cm3. However, the packing density of light calc...

  • Several factors to pay attention to in choosing titanium dioxide:1. Relative densityAmong the commonly used white pigments, titanium dioxide has the smallest relative density. Among the white pigments of the same quality, titanium dioxide has the largest surface area and the highest pigment volume.2. Melting and boiling pointsThe melting and boiling points of the anatase titania are virtually non-...

  • Machine washAfter stopping for a long time, heat is turned on again, a lot of big and small black spots are easy to appear on plastic products, can not meet the quality requirements of products, these black spots are the carbon compounds after thermal degradation of residual plastics in the machine. The cleaning machine usually adopts the method of continuous extrusion with plastic, removing the p...

  • Application of titanium dioxide:Pigment grade titanium white powder is mainly used in coating, paper making, plastic, rubber, printing ink, chemical fiber and other industries.Titanium sharp titanium powder is suitable for indoor coatings and products.Rutile titanium dioxide is suitable for outdoor coatings and products.Non-pigment grade titanium white powder is mainly used in enamel, capacitor, e...

  • The main equipment used is the conical twin screw extruder.1. The shape and size of the blanks formed by the cooling finalizing device (forming table) from the nozzle of the extruder are similar to the requirements of the products. The required shape and size can be obtained only through the cooling finalizing device, and the quality of the profiles is also affected. Finalize the mesa have a vacuu...

  • In the plastic industry, plastic auxiliaries are indispensable members, and they provide better performance for plastics, so that they can be better used in production. In addition to being a plastic assistant, titanium dioxide is also widely used in many industries.The main application fields of titanium white powder: coating, plastic, ink, paper making, among which coating accounts for 60%, plas...

  • Titanium white powder is an important fine chemical raw material, the chemical composition of titanium dioxide (TiO2), it is a kind of white inorganic pigment with many applications and great market demand. Titanium white powder commodity divides into two kinds: one kind is the gold red stone type titanium white powder, it bears the light, the weather resistance is strong, is used for the producti...

  • In recent years, with the development of the floor industry, the products on the floor market are also diverse. The floor serves as the indispensable decoration product in daily life of household, all sorts of numerous and complex type lets consumer dazzling. PVC floor serves as the product that receives favour extensively on current floor market, the gap of its price always lets a lot of consumer...

  • With the continuous development of plastic, it in all areas within the scope of application is expanding, the application of material of the blister is very broad, general blister material divided into thin slices of blister and thick slices blister, wafer blister materials we usually call it plate and film, thick slices blister material we call sheet. Next, we will introduce the common plastic sh...

  • Plastic mould is a tool for plastic processing industry and plastic forming machine. According to the different molding methods, can be divided into different mold types.1. Injection moldIt mainly is the most widely used in the production of thermoplastic plastic products of a forming mold, injection mold corresponding processing equipment is injection molding machine, plastic first heated melting...

  • Rubber is an organic polymer compound, which is divided into natural rubber and synthetic rubber according to different sources. In addition, it also has impervious to water, air, insulation and other good performance. Because rubber has these characteristics, it is widely used in industry, agriculture, transportation, national defense and People's Daily life.In the rubber industry, in order to im...

  • Water bleaching. Many types of transparent PVC products have a white, hazy appearance when exposed to water or water vapor for a long time. Soft goods are stronger than hard ones. Due to water penetration, plasticizer, stabilizer, precipitation from PVC, and the hydration, the surface forming hydrate deposition (affect transparency), even if it is not the saturated moisture, plasticizer, stabi...

  • 1. What is plastic modification? The modification of plastics is to improve or increase the function of general resin through physical, chemical and mechanical methods, and to achieve the function under special environmental conditions in electric, magnetic, optical, thermal, aging resistance, flame retardant, mechanical properties and so on. In order to reduce the cost and improve the function...

  • 1, the more rigid the material is, the less likely it is to have deformation, and the more resilient it is, the more likely it is to undergo deformation. Toughness and rigidity are the attributes that reflect the degree of difficulty in the deformation of an object. The more rigid the material is, the less likely it is to undergo deformation, and the more resilient it is, the more likely it is ...

  • PVC because of the high cost performance, is widely used in the material, but the white sole often can appear the phenomenon of pale yellow, especially the summer high temperature weather change color, to prevent the sole color yellow, should first clear the reason of the color yellow, then suit the remedy to the case. One, precipitate out. Because the shoes with a large amount of plasticiz...

  • 1. The compatibility of plastics additives with polymers.If the compatibility is not good, the plastic additives are easy to precipitate out. The precipitation of solid plastic additives, commonly known as "spray frost"; Liquid plastic additives are precipitated out, known as "exudation" or "perspiration". Plasticizer loses the role of plastic additives after precipitation, and affects the appeara...

  • (1) PVC building materials.Construction industry is one of the important fields of PVC application. In foreign countries, PVC accounts for 65% of PVC consumption, and the penetration rate of PVC indoor plumbing is more than 90%. In China, with the development of the economy, the market share of PVC doors and Windows, PVC construction pipes and PVC waterproof materials has gradually increased. Espe...

  • After the concept and products of wood-plastic were brought into the domestic market, they were favored by some companies and consumers, and then the wood-plastic products appeared in the building materials market. The main materials of domestic wood plastic are PE wood plastic and PVC wood plastic.1. PE wood plasticAdvantages:PE wood plastic material has excellent waterproof and anticorrosive...

  • How to choose a good and suitable lubricant, first of all, the basic concept and theory of lubricant have a general and correct understanding and understanding. If you have a large understanding of basic concepts and theories, it may be difficult to choose a good or correct lubricant, or you may spend more time experimenting with validation and practice. Here, the basic concepts and theories of lu...

  • 1. Selection of extruder.(1) the matching of extruder is reasonable.(2) high filling formula should be equipped with high shear performance screw.(3) use vacuum to improve vacuum degree and reduce volatile components of materials.(4) effective heating and cooling system to prevent the later period of boredom.2. Extrusion die matching.(1) the amount of extrusion matched with the extruder.(2) the pr...

  • 1. Selection of extruder.(1) the matching of extruder is reasonable.(2) high filling formula should be equipped with high shear performance screw.(3) use vacuum to improve vacuum degree and reduce volatile components of materials.(4) effective heating and cooling system to prevent the later period of boredom.2. Extrusion die matching.(1) the amount of extrusion matched with the extruder.(2) the pr...

  • The problems and cause analysis of calcium and zinc stabilizer in replacement of lead salt:1. The product color is unstable;2. It is easy to precipitate in the process of mouth mold production;3. Yellow line and black line are easy to appear;4. Poor color and aging resistance of the product;Cause analysis of calcium and zinc deficiency:(1) the processing scope is narrow, and the processing technol...

  • Common quality problems and reasons:(1) Stability problems: lacking of stability will cause the board yellow&brittle.(2) Melt strength problems: Insufficient melt strength can cause large cell foam,long longitudinal hole.For products that require rapid plasticization and high melt strength, choose TG-920.(3) lubrication problem: external lubricant is conducive to mold the outer slip on the smooth ...

  • First Titanium Dioxide as a white pigment used in coatings, such as masterbatch color formula, endowed with bright color, luster and strong hiding power, in addition, it also as ultraviolet screening agent is used to protect paint film and improve the weatherability. Titanium Dioxide can cover the base of color is the main purpose of also can merge with the new color is very good, the hidin...

  • 1. Different appearance: the appearance of bamboo fiber board has the effect of wood, while stone plastic is the appearance of plastic sheet.2. The density is different: the bamboo fiber board is less dense because of the micro-foaming, and the plate is relatively light, while the stone plastic sheet is the solid extrusion, so the density is larger and the plate is heavier.3. Different physical pr...

  • 1. The surface of the plate is yellowing. The extrusion temperature is too high or the stability is insufficient. The solution is to reduce the processing temperature. If the formula is not improved and the stabilizer and lubricant are added appropriately, the problem can be changed one by one, so that the problem can be quickly identified. Solve problems as quickly as you can.2. The main reason i...