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Industry info Wiki Q&A
Q advantages of blow molding machine
MeganRobert
ErinHarriman Release Time: June 25, 2024, 10:40 AM
When lye (sodium hydroxide, NaOH) is dissolved in water, an exothermic reaction occurs, releasing heat. This process is due to the breaking and forming of ionic bonds between NaOH molecules and water, resulting in Na+ and OH- ions in solution. The dissolution significantly raises the solution’s temperature, which can pose a risk of burns if not handled properly. It is crucial to always add lye to water and not vice versa to control the reaction rate and minimize the risk of splashing the concentrated lye solution, which can cause chemical burns. This reaction is fundamental in various industrial processes, such as soap making, where the alkaline environment is necessary for the saponification process, converting fats and oils into soap and glycerin.
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Q what is blow molding used for
MeganRobert
ChanningBloor Release Time: June 24, 2024, 12:00 PM
Barcelona, Spain: The European chemical company Ercros has completed the commissioning of its new Sodium Chlorite production line in its Sabinanigo factory (Huesca). The project was initiated in April 2021 to double the commodity production in the country. With this step, the company now has three production factories in the country, doubling its production of Sodium Chlorite. The fresh production capacity has now been increased to 11,300 tonnes per year from 6000 tonnes per year, nearly doubling the production rate.The Ercros has about 75% of its sales in the international market and is the largest producer of Sodium Chlorite in Europe. Buoyant demand for this product in the market can now be realized with this expansion step taken by Ercros, strengthening its presence in the international market.The anti-bacterial and disinfectant properties of Sodium Chlorite are considered the best possible way to make drinking water from desalination plants, and due to its chemical nature, a highe...
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Q how are asbestos fibers released
MeganRobert
VivianGrey Release Time: June 19, 2024, 6:39 AM
Fibers and fabrics are intrinsically linked to the concept of textiles. Essentially, fibers form the basic building blocks of textiles. They are the fine, hair-like materials that can be natural, such as cotton, wool, and silk, or synthetic, like polyester and nylon. When these fibers are spun into yarns and threads, they can then be woven, knitted, or bonded together to create fabrics. Fabrics represent the material form that is more recognizable in everyday items such as clothing, linens, and upholstery. The transformation of fibers into fabrics involves various processes including spinning, weaving, knitting, and non-woven techniques, each contributing to the texture, strength, and appearance of the final textile product. Therefore, the relationship between fibers, fabrics, and textiles is a progression from the raw material to the finished product, with each step adding value and functionality to the materials involved.
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Q is polypropylene glycol toxic
MeganRobert
BblytheCarroll Release Time: June 1, 2024, 10:07 AM
Polypropylene glycol (PPG) is considered to be of low toxicity when used appropriately. It is a polymer of propylene oxide and is used in a variety of products, including cosmetics, pharmaceuticals, and food. The toxicity level of PPG can vary depending on its molecular weight; lower molecular weight variants can be more easily absorbed by the body and might exhibit higher toxicity than those with higher molecular weights. Generally, PPG is recognized as safe when used in limited amounts in products intended for human use. However, as with any chemical substance, excessive exposure or ingestion could lead to adverse health effects. It’s important to follow safety guidelines and product instructions when handling or using products containing PPG.
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Q crystallinity of polypropylene
MeganRobert
MarciaRosa Release Time: May 1, 2024, 7:16 AM
The versatility of thermoplastic polymer. Polypropylene PP. is well-known thanks to its crystalline structure. This feature affects a range of properties including mechanical strength. heat resistance. and transparency. The rigid and heat-resistant aspects come from the crystalline regions. while flexibility is derived from the non-crystalline areas. Factors such as polymerization conditions. cooling speed. and the presence of agents or copolymers can influence PP’s crystallinity. Depending on the desired application – whether it be in packaging. automotive parts or textiles – adjusting these processing conditions or incorporating copolymers can modify PP’s properties accordingly. This enables the material to cater to specific needs by altering parameters like tensile strength. heat resistance. transparency. and impact strength.
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