JayCharlotte
Industry info Wiki Q&A
Q polyester resin temperature
StanleyLowell
JayCharlotte Release Time: June 25, 2024, 5:46 AM
Price trendTake the rutile-type titanium dioxide of sulfuric acid method, which has a relatively large volume of goods in the domestic market, for example. According to the data of the business community, the price of titanium dioxide is stable this week, with an average price of 15,433.33 RMB/ton.Analysis review Product: Since April, the main domestic titanium dioxide has remained stable. Affected by the epidemic situation abroad, some production enterprises have restricted production and the market price has weakened. This week, the price of titanium dioxide is mainly stable. The current domestic ex-factory price of rutile titanium dioxide is 14,000-16,300 RMB/ton, the ex-factory price of anatase titanium dioxide is 12,500-13,000 RMB/ton, and the price of chlorinated titanium dioxide In 18,500-21,000 RMB/ton. As far as the current international situation is concerned, the titanium dioxide market as a whole is weak.Industrial chain: The price of titanium ore market in Panxi region was...
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Q why is the surface perfection of glass fibers so important
AgnesTed
JayCharlotte Release Time: June 24, 2024, 4:20 AM
Blow molding jobs in Dubai involve creating plastic parts and containers by inflating soft plastic into a mold cavity. This sector has seen growth due to Dubai’s expanding manufacturing industry and its strategic position for exports. Opportunities can be found in companies specializing in packaging, industrial containers, and consumer goods. Candidates with experience in blow molding operations, maintenance, and process optimization are particularly sought after. Additionally, professionals who can contribute to innovations in sustainability and efficiency are in demand. Networking with local industry associations and attending relevant trade shows might increase job visibility. Applicants should emphasize any specialized skills or certifications related to blow molding machinery, plastic materials science, or lean manufacturing principles in their CVs.
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Q how to select injection molding machine
LilithMacaulay
JayCharlotte Release Time: May 23, 2024, 5:53 PM
Weld lines in injection molding occur when molten plastic flows around an obstacle and recombines, resulting in a weak spot. To minimize or solve weld lines, consider the following strategies: Adjust processing parameters such as mold temperature, injection speed, and pressure to ensure smoother flow and better fusion at the meeting point. Material choice is crucial; using materials with better flow properties can reduce the visibility and strength impact of weld lines. Another practical approach is to modify the mold design by adding vents or redesigning the part to alter the flow path and reduce the instances where material has to split and recombine. Additionally, employing mold flow analysis software during the design phase can help predict and mitigate potential weld lines before production. Lastly, increasing the mold temperature in the area where weld lines are likely to form can enhance material flow and improve the line’s appearance and strength.
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Q sdr11 hdpe pipe dimensions
HazelStella
JayCharlotte Release Time: May 7, 2024, 2:50 PM
SDR11 HDPE pipe refers to a high-density polyethylene pipe rated with a Standard Dimension Ratio of 11. This SDR classification indicates the wall thickness relative to the pipe’s outer diameter. For an SDR11, this means the pipe wall is 1/11th the diameter of the pipe. While the precise dimensions can vary slightly based on the manufacturer and standards (for example, ISO, ASTM, EN), a common dimension for an SDR11 HDPE pipe might include a nominal size of 4 inches (approximately 110mm) with an outside diameter of about 4.33 inches (110mm) and a wall thickness of approximately 0.4 inches (10mm). However, dimensions can vary across different sizes of pipes, so it’s essential to check specific manufacturer’s data sheets for accurate measurements. HDPE pipes are favored for their durability, flexibility, and resistance to corrosion, making them suitable for a broad range of applications, including water and gas distribution.
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Q how to mold hdpe
YvesClement
JayCharlotte Release Time: May 6, 2024, 6:35 PM
High-Density Polyethylene (HDPE) molding can be performed using various methods; the most common are injection molding, blow molding, and extrusion. In *injection molding*, melted HDPE is injected into a mold where it cools and solidifies into the desired shape. This method is ideal for creating high-volume, intricate parts. *Blow molding*, on the other hand, is typically used for making hollow objects, such as bottles, by blowing air into a heated HDPE tube until it expands to fit a mold. *Extrusion* involves pushing melted HDPE through a die to create long continuous shapes like pipes or sheets, which can then be cut to size. Key to molding HDPE is controlling temperature—too high can degrade the polymer, too low can result in poor mold filling. Ensuring the correct temperature and pressure for the specific method and product requirements is crucial for achieving optimal results. Always consider the properties of HDPE, such as its resistance to impact, moisture, and chemicals, when s...
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Q can you still buy mummy pigment
PhyllisFinger
JayCharlotte Release Time: April 16, 2024, 2:26 PM
Yes, you can still buy mummy pigment, although it is now rare and ethically controversial. Historically, mummy pigment was made from ground-up Egyptian mummies, believed to possess qualities beneficial for art. However, due to ethical concerns and the finite nature of historical mummies, its production has significantly declined. Nowadays, what is marketed as “mummy pigment” is often a synthetic or ethically sourced alternative that aims to replicate the original’s unique color and texture without the use of actual mummies. It’s crucial to research and ensure the pigment is ethically sourced if considering purchase.
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Q are polyester and nylon the same
NeilHoratio
JayCharlotte Release Time: April 16, 2024, 3:37 AM
Polyester strings are renowned for their durability and the spin potential they offer to players. Luxilon ALU Power is a top choice among advanced players for its excellent control and ability to maintain tension. Another highly recommended option is Babolat RPM Blast, which is favored for its spin-friendly characteristics and has been popularized by Rafael Nadal. For players seeking not only spin and durability but also a bit more comfort, Tecnifibre Black Code offers a softer feel due to its pentagonal shape, enhancing spin without compromising on arm comfort. When choosing polyester strings, consider your playing style, string gauge preferences, and whether you prioritize durability, control, or spin. Each of these strings caters to different aspects of performance and personal preference, but they stand out in the polyester category for their exceptional qualities.
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