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Industry info Wiki Q&A
Q preparation of polyester
WadeHudson
JimPaul Release Time: June 23, 2024, 10:10 AM
Thin Film Transistors (TFTs) operate on the same principle as conventional transistors but are constructed by depositing thin films of an active semiconductor layer, dielectric layer, and metallic contacts on a supporting, but non-conducting, substrate. The active layer typically consists of silicon, amorphous silicon, or organic semiconductors. When voltage is applied to the gate electrode, it creates an electric field in the semiconductor, modulating its conductivity. This electric field can switch the TFT from an off state (non-conductive) to an on state (conductive), allowing current to flow between the source and drain electrodes. This principle underlies the operation of TFTs in applications ranging from display technologies in LCD and OLED screens to sensor arrays and photovoltaics, where they act as switches or amplifiers for individual pixels or circuits.
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Q extracellular fibers function
AgnesTed
JimPaul Release Time: June 19, 2024, 4:48 AM
For fabric repair, selecting the appropriate fiber type is crucial for both the longevity of the repair and the maintenance of the garment’s appearance and feel. Cotton and polyester threads are commonly used due to their strength and versatility. Cotton, being soft and dyeable, is perfect for repairs on natural fabrics like linen and cotton itself. Polyester, however, offers greater strength and is ideal for synthetic fabrics or areas needing durable stitches. For invisible mending, threads should match the original fabric’s fiber type and color as closely as possible. Wool and silk threads are preferable for repairing luxury items made from these materials, as they ensure the repair blends seamlessly with the original fabric. When repairing, consider the fabric’s weight and texture to choose a fiber that complements the material without overwhelming it.
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Q how to reduce injection molding cost
SandyElizabeth
JimPaul Release Time: May 14, 2024, 4:35 AM
Reducing injection molding cost involves a multifaceted approach focusing on design, process optimization, and material selection. Firstly, simplifying the part design by minimizing undercuts, reducing wall thickness, and integrating functions can cut costs significantly. Utilize uniform wall thickness to enhance flow and reduce material usage. Opting for materials that are easier to process and that meet the project requirements without over-specifying can also lead to savings. Additionally, employing computer-aided engineering (CAE) tools for simulation can help in identifying potential manufacturing issues early, avoiding costly mold modifications. Implementing a family mold, where multiple parts are made within the same mold, can increase efficiency and reduce per-part cost for small volumes. Lastly, maintaining the injection molding machine and mold ensures consistent operation and longevity, reducing long-term expenses.
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Q cast hdpe products
JamieReade
JimPaul Release Time: May 8, 2024, 8:57 AM
Producing items made of high density polyethylene (HDPE) through casting involves melting the plastic and pouring it into a mold, resulting in various objects such as containers, pipes, toys, and automotive parts. This material is valued for its robustness, long-lasting nature, ability to withstand chemicals and moisture, making it a suitable choice for both household and industrial purposes. One of the advantages of this method is the precise dimensions and uniformity it offers, crucial for items with stringent tolerances. Nevertheless, it is essential to be mindful of the environmental implications of plastic manufacturing and seek recycling options to reduce waste whenever feasible.
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Q is polypropylene better than thermplastic for sink
TobeyChurchill
JimPaul Release Time: May 5, 2024, 7:04 AM
Polypropylene and thermoplastics are both popular materials in sink manufacturing. However, labeling one as “better” depends on the application and priorities. Polypropylene, a specific type of thermoplastic, is known for its resistance to chemical corrosion, light weight, and affordability. It is particularly suitable for utility sinks where durability against chemicals is crucial. On the other hand, “thermoplastics” is a broad category that includes various materials, some of which offer higher heat resistance, strength, or aesthetic flexibility than polypropylene. For example, acrylic and PVC are thermoplastics that are often used in residential sinks for their glossy finish and design versatility. The best choice depends on your specific needs: If you prioritize chemical resistance and cost-effectiveness, polypropylene might be the better option. For higher heat resistance or a more tailored design, another thermoplastic could be superior.
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Q types pvc
HardyEvans
JimPaul Release Time: April 28, 2024, 6:43 AM
The cost of 10 PVC pipes depends on several factors including diameter, thickness, length, and whether they are schedule 40 or 80 (referring to wall thickness, with 80 being thicker). For instance, a 10-foot section of 1-inch schedule 40 PVC pipe might cost around $3 to $5, whereas a 1-inch schedule 80 section could cost between $5 to $8. Prices also vary based on the retailer and geographical location. For bulk purchases, some suppliers may offer discounts. Considering these variables, it’s advisable to determine your specific needs (size, schedule, quantity) and check with local suppliers or reputable online platforms for precise costings. Always factor in possible shipping costs if ordering online.
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