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PASTE PVC RESIN P450
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Kelong Calcium carbonate TC13
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Talcum powder plastic grade 2000mesh
Q
what is the cost of polypropylene
I'm a seasoned industrial engineer with a keen interest in machine learning. Here to share insights on latest industry trends.
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The circle often found on injection molded parts is known as a "sink mark." Sink marks occur due to localized shrinkage of the material as it cools and solidifies in the mold. They are particularly common in areas of the part where there is thicker geometry, as the interior of the thick section cools and solidifies more slowly than the exterior surfaces. To minimize the appearance of sink marks, designers aim to maintain uniform wall thickness throughout the part. Additionally, mold design techniques, such as the incorporation of cooling lines close to the thicker sections, and optimizing processing conditions, such as packing pressure and cooling time, can also help reduce these imperfections. Although often considered a cosmetic issue, in some cases, sink marks can affect the structural integrity of the part.
Yes, you can print on a transparency with an inkjet printer, but it's essential to ensure the transparency film you choose is specifically designed for inkjet printers. Regular transparency films might not absorb the ink properly, leading to smears and poor image quality. Manufacturers offer transparency films compatible with inkjet technology that provide clear, crisp prints. Before printing, check your printer settings. Many printers have a dedicated 'transparency' mode that optimizes the print quality for this particular medium. Additionally, it's advised to allow the printed transparency to dry completely before handling to avoid smudging the ink. Always test print on a single sheet to adjust the printer settings and ensure high-quality output before proceeding with your final print job.
Yes, you can use a polypropylene (PP) nipple to connect to brass, but it's important to ensure compatibility and to use the correct sealant or tape to prevent leaks. Polypropylene, a type of plastic, is known for its resistance to various chemicals, making it suitable for a wide range of applications, including plumbing. However, when connecting different materials, like PP and brass, attention must be given to the thermal expansion rates and the potential for galvanic corrosion. Brass and PP generally don't have issues with galvanic corrosion, but it is vital to ensure that the materials are compatible with the substances being transported. Use Teflon tape (PTFE) or an appropriate thread sealant to ensure a proper seal and to prevent leaks. Additionally, make sure the PP nipple is rated for the pressure and temperature of the system you are working on to ensure a safe and durable connection.
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