EthelChristy
Industry info Wiki Q&A
Q blow molding with inserts
EthelChristy
WandaHoyle Release Time: June 24, 2024, 3:10 AM
NEW DELHI: Caustic soda prices rose by Rs 50 per 50 kg in the national capital today largely on the back of good demand from detergent manufacturers.Caustic soda flake rose by Rs 50 to Rs 2,050-2,150 per 50 kg.Marketmen said apart from good demand from detergent manufacturers, tight supplies from producing belts also pushed up caustic soda prices on the wholesale chemical market here.The following are today's quotations: Ammonium chloride (50 kg) Rs 1,200-2,400, Acetic acid (1kg) Rs 65-75, Ammonia bicarb (25 kg) Rs 600-800, Boric acid technical (50 kg) Rs 4,400-5,000, Borex granular (50 kg) Rs 2,200-2,600.Caustic soda flake (50 kg) Rs 2,050-2,150, Citric acid (50 kg) (China) Rs 3,700-4,100, Citric acid deshi (50 kg) Rs 3,800-4,500, Camphor slab (1 kg) Rs 450, Camphor powder (1kg) Rs 400, Glycerine (1 kg) Rs 120-185, Hexamine (1kg) Rs 95, Hydrogen peroxide (1 kg) Rs 40-50, menthol bold crystal (per kg) Rs 1,055, menthol flake (1 kg) Rs 995 and mentha oil (1kg) Rs 895.
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Q polypropylene everyday uses
EthelChristy
EdisonWhittier Release Time: May 12, 2024, 12:18 PM
Polypropylene (PP) is a versatile plastic widely used in various everyday items due to its resilience, cost-effectiveness, and resistance to chemicals, water, and wear. Common uses include packaging for food and consumer goods, as it is safe for contact with food and can be easily molded into bottles, containers, and wrappers. Additionally, PP is found in the automotive industry for making parts that require a light yet robust material. In textiles, polypropylene is used in manufacturing carpets, rugs, and reusable shopping bags, thanks to its resistance to staining and its lightweight property. Medical supplies, such as syringes and vials, also rely on PP for its sterility and safety. Due to its durability and recyclability, polypropylene plays a crucial role in reducing environmental impact by supporting the production of reusable products.
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Q how to charge polypropylene
EthelChristy
MandelFanny Release Time: May 5, 2024, 5:24 AM
Polypropylene (PP) can be charged (or electrostatically activated) through processes like corona discharge, where high voltage is applied to induce a surface charge. Another method is through tribocharging, where PP is rubbed against another material, transferring electrons and creating a charge. The method chosen depends on the application. For example, corona discharge is widely used in the industry for treating PP surfaces before printing or coating, improving adhesion. Tribocharging may be used in simpler, perhaps laboratory, contexts for experiments or demonstrations. The effectiveness of charging can depend on factors such as the material’s surface energy, the environment (humidity, temperature), and the condition of the PP surface.
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