Drying equipment

China Drying Network News flame retardant widely exists in plastic products, electrical accessories, textiles, household products and many children's polyurethane foam toys, the main purpose is to enhance product fire performance. However, the report pointed out that flame retardants have not effectively prevented deaths caused by fire, and the use of harmful chemical flame retardants has caused a series of problems such as cancer, neurological dysfunction, and impaired development and fertility. The continuous upgrading of green barriers and the increase of banned flame retardant inventories will force companies to use new materials that are more environmentally friendly and safe, and the cost of product certification testing will also greatly increase, which will inevitably bring certain impact on China's related consumer goods export enterprises. Take precautions.

Here, the inspection and quarantine department reminds relevant exporting companies: they pay close attention to the dynamic information of banned harmful flame retardants in developed countries such as the European Union and the United States, use green environmental protection as a breakthrough for transformation and upgrading, increase the development of new products, and timely adjust the product structure. , Grasp the forward-looking nature of the market; Strengthen cooperation with research institutes, seek to develop new flame retardants or new flame-retardant methods to replace traditional harmful flame retardants, enhance market competitiveness with a healthy and safe product image, and strictly control raw material acceptance Due to the long application time of traditional flame retardants, they are widely found in various types of plastic products, coatings, and textiles. Enterprises must strictly control the procurement of raw materials, and strengthen the detection of prohibited substances to avoid economic losses caused by small losses.

Previously, several states in the United States have enacted legislation to prohibit the use of harmful flame-retardant chemicals such as pentabromodiphenyl ether, octabromodiphenyl ether, and decabromodiphenyl ether in household consumables. The products cover fabric homes, televisions, and computer plastic housings. Wait. The Environmental Protection Agency had previously carried out a number of restrictions on hazardous chemicals such as PBDE. The largest flame retardant manufacturers and importers in the United States have also agreed to suspend production, import, and sales of flame retardants such as decabromodiphenyl ether by December 31, 2012, and have completely suspended them by the end of 2013. To protect consumer health, several consumer groups and lawmakers urged the government to modify the product's flame-retardant standards and amend the "toxic and hazardous substances bill," urge manufacturers to adopt non-hazardous flame-retardant technologies instead of using large amounts of flame retardants and further Strengthen the supervision of flame-retardant chemicals.

Cobalt Alloy Powder

Cobalt-based alloy powders are commonly used in laser cladding processes due to their excellent wear resistance, high temperature strength, and corrosion resistance. These alloys typically contain varying amounts of cobalt, chromium, tungsten, and nickel, among other elements, to achieve specific properties.

The laser cladding process involves melting the cobalt-based alloy powder using a high-energy laser beam and depositing it onto a substrate to form a protective coating. This coating helps to enhance the surface properties of the substrate, such as hardness, wear resistance, and corrosion resistance.

Some common cobalt-based alloy powders used in laser cladding include:

1. Stellite: This is a well-known cobalt-chromium-tungsten alloy that offers excellent wear and corrosion resistance. It is often used in applications where high temperatures and abrasive environments are present, such as in oil and gas drilling tools, valves, and pump components.

2. Tribaloy: Tribaloy alloys are cobalt-based alloys that contain varying amounts of chromium, molybdenum, and silicon. They are known for their exceptional high-temperature strength and resistance to galling, making them suitable for applications in the aerospace, petrochemical, and power generation industries.

3. Haynes alloys: Haynes alloys are nickel-cobalt-chromium-molybdenum alloys that offer excellent high-temperature strength, oxidation resistance, and corrosion resistance. They are commonly used in applications where extreme heat and corrosive environments are present, such as in gas turbines and chemical processing equipment.

These cobalt-based alloy powders are available in various particle sizes and can be tailored to meet specific application requirements. They can be used with different laser cladding techniques, such as powder-fed laser cladding or blown powder laser cladding, depending on the desired coating thickness and properties.

Overall, cobalt-based alloy powders for laser cladding provide enhanced surface properties and improved performa

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