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Can a chemical raw material recycling factory accept a small amount? We recycle a wide variety of resins, no matter how large or small we recycle resins, we recycle resin products, we come to our door, and we collect high-priced cash from all over the place.
Bokai Chemical Trade Recycling Company specializes in the recycling of chemical products that are fully recycled, such as chemical raw materials, dyes, pigments, paints, rubber, waxes, chemical additives, chemical metals, etc.
Our company serves every customer attentively and guarantees the quality of every acquisition process. Caring for the environment is the responsibility of each of us. The waste of resources is a shameful behavior. Promoting the recycling of chemical raw materials and dyes is an important mission of our company.
We will continue to uphold the tenet of "one cooperation and mutual trust, multiple cooperation and mutual benefit", and look forward to cooperating with you! High-priced door-to-door recycling, unlimited quantity, you are welcome to visit at any time, call for consultation, and create and develop together. We seek common development with customers.
Recycling dyes manufacturer Bokai Chemical Trade Recycling Company said that acid dyes are widely used in fabric dyeing and people often use them, but the color fastness of these dyes is usually very poor. Recycled dye manufacturers say that some users repair dyes that meet the standards. However, we need to pay attention to certain things that need to be paid attention to when fixing dyes. Let us take a look!
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If a small area falls off, first use sandpaper to sand off the fallen off area, and then repaint it. If a large area falls off, you need to consider whether the alkali soaking is not clean or the paint quality is problematic. In this case, you need to re-soak alkali or repurchase good quality paint, and then spray the paint again. 3. If cracks occur, it is most likely to use chemical paint remover or hot air spray to remove the paint, and then paint again. If the fracture area is not large, sandpaper can be used to polish off the paint on the fractured part. After polishing the surface smoothly, paint again. 4. Paint sagging. If the paint is sprayed too thick at a time, it will cause sagging. You can spray it while the paint is not dry. If the paint has begun to dry, after the paint is dry, use sandpaper to smooth the surface of the paint. , Brush the surface clean, wipe it clean with a damp cloth, and then paint again.
Applicable technical guide: It is applied to dye nylon fiber with acid dye, and then process the dyed product. After dyeing nylon fibers with acid dyes, the dyed product can be treated with NBS to improve its wet fastness, especially to water, sea water, washing, and sweat. The fastness can be significantly improved. Similar to all such additives, The degree of improvement in fastness varies depending on the dyeing method and fiber.
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Concentration of acid dye: 1.0-2.0% (owf) NBS (calculated by weight of cloth) After dyeing nylon fiber with TELONL, SUPRANOL or other selected acid dyes, rinse it with soft water, and then dye the dyed product with NBS at PH4.5, 70-80°C, 20-30 minutes, post-treatment.
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Note: If you increase the amount of NBS by one third, you can also use hot air to complete the fixation operation. The wet fastness has been improved to a considerable extent, but the temperature should not exceed 180-185℃. If the temperature exceeds, or the saturated steam is treated, it will affect the NBS. When dissolving or diluting NBS, it is necessary to prevent direct contact with concentrated acetic acid. The contact of NBS with concentrated acetic acid will cause precipitation to occur. Any precipitation that has occurred can be easily dissolved by adding a small amount of ammonia.
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If there are non-ionic additives in the post-processing, it will cause precipitation and impair the NBS effect (before fixing, it can be washed with soaping agent to prevent abnormal occurrence). If the dyed product is coated with PU or film in the later process, do not fix it with NBS, otherwise it will affect its adhesion effect. The nylon batting that uses NBS as a post-treatment has a rough feel, which will affect its subsequent weaving operations. Therefore, for this kind of dyeing, only dyes with higher wet fastness should be selected for dyeing, and no fixation treatment is required.
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6. Avoid places where paint and containers are placed to prevent re-contamination.
(B) Pinhole 1. Symptoms-Symptom after the primer or topcoat is sprayed, the surface of the coating shows dense pores. 2. The root cause of the reason-Reason1. The viscosity of the paint is too high and thick, or the spraying is too much, so that the internal solvent cannot volatilize. 2. The object is poorly sanded, or the moisture content of the wood is too high. 3. The previous coating does not dry, and the next coating dries too fast. 4. Use expired or deteriorated paint. 5. The temperature of the drying room is too high, or the temperature difference with the outside of the drying room is large.
To sum up, the contents mentioned above are related matters shared by recycled fuel manufacturers. Bokai Chemical Trade Recycling Co., Ltd. supports door-to-door chemical raw material recycling, dye recycling, paint raw material recycling, high-priced recycling and other businesses. If you have any needs in this regard, please call for consultation!
