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Industry info Wiki Q&A
Q blow molding jobs in san antonio
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AlstonFrederick Release Time: June 25, 2024, 3:44 PM
NEW DELHI: Menthol prices rose by Rs 5 per kg in the national capital today, largely on the back of fall in supplies from producing belts against rising demand from pharmaceutical units. Menthol bold crystal, menthol flake and mentha oil prices rose by Rs 5 each to conclude at Rs 1,585, Rs 1,520 and Rs 1,480 per kg, respectively. Traders said increased demand from pharmaceutical units and other consuming industries against fall in supplies from producing belts in Uttar Pradesh, mainly pushed up menthol prices in the wholesale chemical market here. The following are today’s quotations: Ammonium chloride (50 kg) Rs 1,000-2,200, Acetic acid (1 kg) Rs 44-52, Ammonia bicarb (25 kg) Rs 400-675, Boric acid technical (50 kg) Rs 5,200-6,000, Borex granular (50 kg) Rs 2,400-2,800. Caustic soda flake (50 kg) Rs 1,950–2,100, Citric acid (50 kg) (China) Rs 3,000-3,200, Citric acid deshi (50 kg) Rs 3,000-3,300, Camphor slab (1 kg) Rs 370, Camphor powder (1kg) Rs 320, Glycerine (1 kg...
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Q what are artificial fibers
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AlanRaman Release Time: June 24, 2024, 5:01 PM
The specific heat capacity of sodium hydroxide (NaOH), a key parameter in thermal management during its industrial use, is approximately 1.470 J/g·°C. This value is crucial when dealing with reactions involving NaOH, as it assists in predicting the temperature changes during its dissolution or reaction with acids. This information is fundamental for engineers and chemists to design processes that ensure safety and efficiency. Proper thermal management and understanding of specific heat are essential in optimizing the use of NaOH in various applications, from manufacturing to laboratory experiments, maximizing energy efficiency and minimizing risks associated with excessive heat generation.
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Q __________ fibers are the most prone to fatigue
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BertonDolly Release Time: June 23, 2024, 4:51 AM
Fiber orientation plays a crucial role in determining the properties and function of both muscle tissue and engineered materials. It greatly impacts factors such as contraction direction, strength, stiffness, and flexibility, all of which are essential for optimal performance in various fields such as aerospace and automotive industries. Therefore, maximizing fiber orientation is a key consideration in both biology and materials science
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Q density of 30 talc filled polypropylene
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SamByron Release Time: May 12, 2024, 2:17 PM
The density of polypropylene (PP) typically ranges from 0.895 to 0.92 g/cm³. When filled with 30% talc, the density increases due to talc’s higher specific gravity (2.7 to 2.8 g/cm³) compared to pure polypropylene. A 30% talc-filled polypropylene can have a density approximately 1.04 to 1.19 g/cm³, though this can vary based on the talc’s grade and the compounding process. Talc not only affects the density but also improves the rigidity, thermal resistance, and dimensional stability of polypropylene, making it suitable for automotive parts, home appliances, and electrical components. However, adding talc can also make the composite more brittle, which should be considered in its applications.
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Q danger of polypropylene
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SidneyWebb Release Time: May 12, 2024, 2:01 PM
Polypropylene, a popular plastic used in an array of products from packaging to textiles, is generally considered safe and is not known to leach harmful substances like some other plastics. However, it poses environmental dangers due to its persistence in the environment and difficulty to degrade. When improperly disposed of, polypropylene contributes to the massive problem of plastic pollution, affecting wildlife and ecosystems, and microplastics originating from it can accumulate in food chains, potentially impacting human health. Moreover, the production of polypropylene is resource-intensive and contributes to carbon emissions, exacerbating climate change. Therefore, while polypropylene might not directly pose a significant health risk, its environmental impact presents a considerable danger that needs addressing through better recycling techniques, reduction in use, and the development of more sustainable alternatives.
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