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Industry info Wiki Q&A
Q how to tell real silk from polyester
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YorkTomlinson Release Time: April 22, 2024, 12:19 AM
Distinguishing real silk from polyester involves a few tactile, visual, and burn tests. Firstly, the touch test: silk has a distinctively soft, smooth texture and gets warmer when rubbed, whereas polyester feels slightly coarse and remains cool. For the visual test, observe the sheen – silk shines with different colors at different angles due to its triangular prism-like structure, while polyester has a consistent shine. The burn test is more definitive; when burned, silk smells like burnt hair, and its ashes turn to powder, whereas polyester smells like plastic and forms hard beads. Conduct these tests cautiously, particularly the burn test, and consider seeking professional appraisal for valuable items.
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Q how to shrink modal polyester
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CarolZimmerman Release Time: April 21, 2024, 5:36 PM
Shrinking nylon and polyester can be challenging due to their synthetic origins, designed to resist wrinkles, stretching, and, indeed, shrinkage. However, minor shrinkage is possible with careful application of heat. Both fabrics can tolerate limited exposure to high temperatures without damage. For nylon, soaking the garment in hot water (not boiling) for 5 to 10 minutes followed by drying on a high heat setting in your dryer might achieve slight shrinkage. Polyester requires a bit more caution, often responding to a warm wash followed by a gradual increase to a hot dryer setting. It’s crucial to note that these methods may only slightly reduce the size of your garment and could affect its texture and color. Always experiment with caution and consider professional alteration for significant size adjustments.
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Q is polyester furniture pet friendly
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ArnoBrowne Release Time: April 21, 2024, 1:25 PM
Polyester georgette is a type of fabric that traditionally exhibits a slight give due to its tightly twisted yarns but is not inherently stretchy. Its characteristic crinkly surface is achieved through the use of high twist polyester fibers, which provide a small amount of natural give rather than true elasticity found in fabrics specifically designed to stretch, such as spandex blends. Therefore, while polyester georgette may offer minimal stretch due to its structure and the natural give of the fibers, it does not possess the significant stretch capabilities of other materials specifically engineered for elasticity. For applications requiring more stretch, it’s advisable to look for georgette that has been blended with elastane or another stretchy fiber.
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Q most common motor oil
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NatalieReed Release Time: April 20, 2024, 2:01 PM
The most common type of oil used globally is petroleum-based oil, due to its vast applications in the energy, transportation, and industrial sectors. Derived from ancient organic materials, petroleum oil is refined into various grades and forms to meet specific requirements. Its ubiquity stems from its energy density, relative ease of transportation, and versatility in refining processes. Despite the push towards renewable resources, petroleum oil remains dominant due to established infrastructure and economic factors. However, environmental concerns and the finite nature of oil reserves are driving innovations in alternative energy sources, aiming to reduce reliance on petroleum-based oils.
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