In January 2023, the domestic PVC production reached 1.9139 million tons, up 5.99% month-on-month and 2.86% year-on-year. Among them, the production of calcium carbide method was 1.4703 million tons, up 6.65% month-on-month and down 3.03% year-on-year. The production of ethylene method was 0.4436 million tons, up 3.84% month-on-month and 28.81% year-on-year.
2022 domestic PVC plant operating load rate has declined, excluding the influence of the Chinese New Year in February, the first half of the operating load rate can still be maintained at more than 80%, but 2022 PVC futures shortage is obvious, the price of both futures and spot markets fell sharply, the second half of the year after July PVC plant operating load rate has been declining.
In the first half of 2022, the cumulative domestic PVC production from January to June was 11.2365 million tons, a decrease of 268,000 tons (-2.33%) compared to the same period last year. PVC production areas in the first half of 2022 were mainly distributed in Northwest, Shandong, North China and East China, of which Northwest accounted for 55.20%, Shandong accounted for 14.14% and North China accounted for 9.53%.
PVC can be used for automotive instruments, which means that automotive instruments are made of PVC material. PVC can also be used as car tires.
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Food grade polyethylene refers to polyethylene plastic products that meet the hygiene standards for food packaging. Polyethylene plastic products can withstand temperatures that do not exceed their melting point. High density polyethylene has a melting point range of 132-135 ℃, while low density polyethylene has a lower melting point (112 ℃) and a wide range. No toxins will be released at 100 degrees Celsius.
PP means polypropylene. Polypropylene lunch boxes are non-toxic and can be used with confidence as long as they are within the specified temperature range. Polypropylene is non-toxic, odorless, with low density, and superior strength, stiffness, hardness, and heat resistance to low-pressure polyethylene.
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①Ordinary PVC film ②PVC anti-aging film ③PVC drip free anti aging film (PVC double anti aging film) ④PVC weather resistant and drip free dustproof film ⑤PVC resin
PVC toys are generally non-toxic, but their ingredients contain a certain amount of vinyl chloride (VCM), which is a monomer with certain carcinogenicity. If the VCM content in the PVC component is below 1PPM, it proves that it is a non-toxic sanitary grade resin PVC, and this type of toy is harmless to babies.
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Titanium dioxide is widely used in coatings, plastics, rubber, printing ink, paper, chemical fiber, ceramics, daily chemicals, medicine, food and other industries. The coatings are divided into anatase type and rutile type. The non coating titanium dioxide is also divided into enamel grade titanium dioxide, ceramic grade titanium dioxide, electronic ceramic grade titanium dioxide, electrode grade titanium dioxide, alloy grade titanium dioxide, glass grade titanium dioxide, etc.
Rutile titanium dioxide: d on the experience in production quality control of sulfuric acid rutile titanium dioxide, the innovative research on inorganic coating, organic treatment, salt treatment, calcination control, hydrolysis and product application is integrated.
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Nowadays, titanium dioxide is used more and more widely, but what problems should we pay attention to when using rutile titanium dioxide in our ink production field? Now let's take a look at some precautions for the use of titanium dioxide!