Brightness and darkness

The final factor that determines the quality of the black masterbatch is the lightness and darkness of the color. There are various types of carbon black on the market that can be used to color masterbatches, but the colors and prices of each type are also very different. Large particle carbon black has lower coloration and different background color than small particle carbon black. Large particle masterbatches are suitable for the production of films such as garbage bags, but are not suitable for the production of aesthetically important products, such as television signs or places that require UV protection such as agricultural films or external pipes. For these products, the only small carbon black that is more expensive is used. In addition, low transparency is also a characteristic of small particle carbon black.

Classification and application range of ordinary carbon black

SRF carbon black is generally used in the production of garbage bags that do not require strong tinting power, high coverage or UV protection. The color tends to be gray-blue, cheap, and relatively easy to disperse, so small manufacturers of masterbatch that are only equipped with single or double-screw extruder will choose this carbon black. The particle size of HAF carbon black is half that of SRF carbon black particles, but the coloring intensity is twice that. It is brown-red, and its ultraviolet protection ability is obviously stronger than SRF carbon black, and the cost is lower than P carbon black. It has good coverage and can be applied in many ways.

Hot water pipes, that is, heating pipes, pipes that transport steam or hot water to increase the indoor temperature. Usually, the materials of domestic hot water pipes are metal, and the plastic materials used are mostly PPO (polyphenylene ether plastic). PPO has a high resistance to heat. Heat resistance, heat distortion temperature up to 190 °, excellent water resistance and water vapor resistance, very suitable for use as hot water pipes, and does not conduct heat quickly like metal. High tensile strength and creep resistance, not easy to deform. PPO is often used to make high temperature resistant electrical insulation materials. The water pipe has very high quality requirements. It must be non-toxic and pollution-free, and it must not cause any chemical deterioration of the water quality.

The role of black masterbatches in hot water pipes are:

1. Strengthen the durability and aging resistance of plastic water pipes, which can effectively strengthen the hot water pipes buried under the ground for longer life.

2. Adding black masterbatch during the processing of hot water pipe products can effectively improve the quality and smooth appearance, so as to avoid the peeling of plastic water pipes.

3. Black masterbatch can quickly color plastic water pipes, and its coloring has environmental protection effects, and will not cause any pollution to water quality.

The requirements for black masterbatch colorants, the colorants used in color masterbatches, must pay attention to the matching relationship between colorants and plastic raw materials, additives, the selection points are as follows.

First, the colorant cannot react with resin and various additives, high gloss and bright color masterbatch, strong solvent resistance, small migration, good heat resistance, etc. That is, masterbatches cannot participate in various chemical reactions. For example, carbon black can control the curing reaction of polyester plastics, so carbon black materials cannot be added to polyester. Due to the high processing temperature of plastic products, the coloring material should not decompose and change color under the condition of molding heating temperature. In general, inorganic pigments have good heat resistance, and organic pigments and dyes have poor heat resistance. This should be given sufficient attention when selecting colorants.

Second, the dispersibility and coloring power of the colorant should be good. When the colorant is not uniformly dispersed, color injection will affect the appearance performance of the product; when the coloring power of the colorant is poor, it will increase the amount of colorant and increase the material cost. The dispersibility and tinting power of the same colorant in different resins are not the same, so pay attention to this when selecting a colorant. The particle size of the colorant is also related to the dispersibility. The smaller the particle size of the colorant, the better the dispersibility , The coloring power is also strong.

 Third, you should understand the other properties of black mother colorants. For example, for plastic products used in food and children's toys, colorants should be non-toxic. For plastic products used in electrical appliances, colorants with good electrical insulation should be selected. ; For outdoor plastic products, colorants with good weathering resistance should be selected.

The use and advantages of the carrier-free black masterbatch of Yiheng Plastics Co., Ltd., also known as color masterbatch, is an aggregate made by uniformly loading super constant pigments or dyes into resin.

First, the benefits of using color masterbatch

1. Conducive to maintaining the chemical stability and color stability of pigments;

2. Make pigments have better dispersibility in plastics;

3.Protect the health of operators;

4.Simple process and easy color transfer;

5.The environment is clean and does not stain the utensils;

6. Save time and raw materials. Because pigments come into direct contact with air during storage and use, they will absorb moisture, oxidize, and agglomerate. Direct use will cause color spots on the surface of plastic products. EVA color masterbatch, and cause dust and poplar when mixing, affecting the health of the operator. The blown film masterbatch is processed mechanically during the production process to refine the pigment. The pigment is fully mixed with the resin carrier and dispersant to isolate the pigment from air and moisture, thereby enhancing the weatherability of the pigment. It improves the dispersibility and tinting power of the pigment, and has a bright hue. Because the color masterbatch and resin particles are similar in shape, it is more convenient and accurate to measure, and it will not stick to the container when mixing, so it saves time to clean the container and machine and raw materials used for cleaning.

Type and grade of color masterbatch

There are several commonly used classification methods for color masterbatch:

By carrier: PE masterbatch, PP masterbatch, ABS masterbatch, PVC masterbatch, EVA masterbatch, etc. Classified by use: Such as injection masterbatch, blown masterbatch, spinning masterbatch, etc. Different levels, such as:

1. Advanced injection color masterbatch is used for cosmetic packaging boxes, toys, electrical enclosures and other advanced products.

2. Ordinary injection color masterbatch is used for general daily plastic products and industrial containers.

3. Advanced blown film color masterbatch is used for blow molding coloring of ultra-thin products.

4. Ordinary blown film masterbatch is used for blow molding coloring of general packaging bags and woven bags.

5. Spinning color masterbatch is used for textile fiber spinning and coloring. The color masterbatch pigment has fine particles, high concentration, strong coloring power, good heat resistance and light resistance.

6. Low-grade color masterbatch is used to manufacture low-grade products that do not require high color quality, such as trash cans and low-grade containers.

Color concentration base color black masterbatch and color matching techniques For many years, we have adhered to the development concept of leading technology and continuous innovation, constantly committed to growth and improvement, excellence, company strength, advanced equipment, and pigments should also be processed while grinding. A series of color black masterbatch technology tests. Continue to launch more 3807 color masterbatch products to the market. At the same time operating anti-aging black masterbatch, flame retardant black masterbatch, antistatic black masterbatch, cooling black masterbatch, dyeable polypropylene black masterbatch, antibacterial black masterbatch, toughened black masterbatch, domestic, imported pigments and plastic processing Auxiliaries. Our products are resistant to high temperatures and sunlight. In the long term, 2014 color master batches provide a large number of black, master batches and color matching techniques with high concentration of red, yellow, blue, green, purple, black, and white. At the same time, a series of color black master batch technology tests are performed.

Dongguan Yiheng Plastic Industry Co., Ltd. is a high-tech enterprise specializing in R & D, manufacturing, and sales of black masterbatches for environmental protection of plastics. The company is located in the North Gate Industrial Zone of Qiaoli, Changping Town, Dongguan City, China, with an area of 12,000 square meters. , Monthly production capacity of more than 2000 tons.

There are many possible reasons for the color difference of black masterbatch, specifically:

1. The color masterbatch is not carefully tested, and the pigment is too little or too much

2. Measurement is inaccurate during use, and there is a large number of random measurement by domestic enterprises, especially SMEs

3. There is a problem with the matching of the color masterbatch and the resin. This may be due to the improper selection of the carrier of the color masterbatch, or it may be that the manufacturer changes the resin variety at will.

4. Improper machine temperature, the color masterbatch stays in the machine for too long. Processing procedure: First check whether the resin species matches the color masterbatch and the measurement is accurate, and then adjust the machine temperature or speed. If there are still problems, the black masterbatch should be produced Contact the manufacturer.

Dongguan Yiheng Plastic Industry Co., Ltd. is a high-tech enterprise specializing in R & D, manufacturing, and sales of black masterbatches for environmental protection of plastics. The company is located in the North Gate Industrial Zone of Qiaoli, Changping Town, Dongguan City, China, with an area of 12,000 square meters. , Monthly production capacity of more than 2000 tons.

Masterbatch used for cables requires high insulativity to the material, and it is very sentitive to impurity and ash. According to the special requirements of the electrical performance, production procedure and operating environment of the cables, masterbatch used for cables should meet the following requirements:

1. It has bright color so that it can be easily recognized even in the dim light; 

2. The color tone of wire core should confirm to the standard of IEC304; 

3. It has good property of heat resistance so that it won’t fade at the temperature of 206℃; 

4. It won’t affect the wine cores’ properties such as electrical, physical and aging performances; 

5. It don’t contain any heavy metals.

Color Black is widely used for coloring plastics. Color Black can be classified into three categories, namely High Color Black, Medium Color Black and Low Color Black. We choose different Color Black to produce masterbatch according to the blackness of plastic products. For ABS used for Automotive products and PVC Synthetic Leather, High Color Black is more widely used since they have small particle size and good blackness. While for PE garbage, wire and pipes, Medium Color Black is more widely used.

Yiheng Plastic Masterbatch Mfy has a wide range of black masterbatch that is produced by different kinds of carbon black.

Masterbatch is one kind of plastic polymer used for plastics coloring (Color Masterbatch) during plastic production, or imparting other properties to plastics (Additive Masterbatch).  

Masterbatch is a concentrated mixture of pigments and/or additives encapsulated during a heat process into a carrier resin which is then cooled and cut into a granular shape. Masterbatch allows the processor to colour raw polymer economically during the plastics manufacturing process.

A: the film surface is cloud and mist

Reason:

 1: shaimuliao filling (fill the mesh on),

 2: thread portfolio of a weak cause extrusion screw too fast, or the temperature too high or low cause masterbatches scattered poor.

 3: polythene improper selection together (such as A.B.C level again PE raw material), raw materials melting means melting point too high or low, to produce the mesh of raw too low.

Solution:

 Replace high mesh filling. Or reduce filling additives, strengthen the thread set of molybdenum close, proper adjustment die head and body temperature, choose appropriate gather polythene resin, die head with a thin slip through.

 2: film flatness is poor, poor brightness, sealing not firm.

Produce factors:

 1: (flatness sent) shaimuliao filling too much,

 2: (brightness difference), shaimuliao carrier improper selection, carrier too little.

 3: (sealing not firm.) shaimuliao of wax is too high

Solution:

 1 (poor flatness) reduce shaimuliao filling.

 2: (brightness difference), selection for the carrier or increase the carrier content.

 3: (sealing not firm). Reduce shaimuliao PE wax content. Adjust the temperature and pressure sealing machine.

 3: extrusion tube rupture pressure

Produce factors:

 1: shaimuliao contains impurities. Contains moisture content, porosity,

 2: organic pigments factors lead to edc pipe extrusion scattered bad, tube wall and chlamydia trachomatis appearance, once pressure pipe burst in.

 Solution: improve filtering fineness, shaimuliao production strengthen filtering, strengthen the mixed refine, vacuum, quality selection organic pigments, improve shaimuliao liquidity.

There are several hundred black masterbatch manufactory in China. For an importer, how to choose several good suppliers for reference? Today, i will answer this question. It has 10 steps to help you.

Step 1.A good supplier should be at least 5 years history and have export/import business at east 3 years.

Step 2.Employee in the factory should be more than 50-100 .

Step 3.Find suppliers from eastern China will be better. Such as Guangdong, Fujian, Zhengjiang, Shandong.Those provinces are more developed and understand what customers need better.

Step 4. Search the factory on GOOGLE and visit its website-if there are too many flashes, you have to re-consider before start cooperating-websites are for to show their products and help clients find the required information at the easiest way. 

Step 5. Check the factory is private or state-owned, I suggest cooperate with private factories. 

Step 6. Send the factory samples and ask them produce accordingly-find as many problems as possible after receiving samples-NEVER say “your sample is great!” at the very beginning. 

Step 7.If possible and you are willing to, visit the factory and see the workshop, dining room  and washing room. A good factory treat workers comparatively good. 

Step 8. Talk with the one speak English from factory and ask he/she several questions: how many employees, how many equipments, annual turnover and so on. If he/she can reply immediately, this person can help on export handling. 

Step 9. Tell the supplier what you need in details, Chinese suppliers can supply products at any prices-if you want good quality, you must tell directly. And visit the factory before loading the first container-find problems with products and reject, then you would not need fly to China every time before shipping date, come in the next 3 months and then 6 months.

Step 10. To double insure products can finish before cancel date and quality, better find a local representative help you.

Color masterbatch is a polymer made by dispersing super-constant colorants in the carrier resin very uniformly. It is also called colorant concentrate.

It is a new type of special colorant for polymer materials.

The color masterbatch is usually composed of a dispersant, a colorant, a carrier resin, and three basic elements.