Ceramic foam filter Alcoa Aluminum Egypt filters out molten aluminum inclusions larger than the pore size of the filter surface through mechanical separation, and deposits them on the inflow end of the filter liquid metal.
At the North American Aluminum Conference, many manufacturers, consumers, traders, and shipping companies agreed that aluminum is facing a long-term shortage, and the social inventory of near-end aluminum has not yet fallen to a historical low. Based on concerns about the subsequent decline in supply, LME 3-15 The premiums and discounts have risen sharply, approaching US$150/ton. The term structure of Lun Aluminum also shows near-end premiums and far-end premiums.
The drama of dual-energy efficiency control and power curtailment is also on the alumina side. Guangxi’s alumina requirements are reduced by 70% and further upgraded on the basis of 50%. Guangxi’s alumina production capacity exceeds 10 million tons, which has triggered market concerns about supply. The price of alumina has risen sharply. Alumina prices in Shandong, Henan, Shanxi, Guangxi, and Guizhou rose to 3625, 3645, 3645, 3400 yuan, and 3400 yuan/ton, respectively, up about 20% from the beginning of the month.
The fourth quarter is about to enter the heating season, and the 2022 Winter Olympics will be superimposed. The Ministry of Ecology and Environment issued a comprehensive atmospheric treatment plan. The cities involved cover most of the alumina plants in the north. Production reductions are expected to upgrade, and domestic alumina prices are still strong.
According to customs data, my country imported a total of 394,100 tons of alumina in August, a decrease of 25.19% from the previous month and an increase of 49.85% year-on-year. The cumulative imports from January to August were 2,332,300 tons, a year-on-year decrease of 10.95%.
On September 20, two trains operated by RUSAL collided in Conakry, the capital of Guinea, and the bauxite and alumina businesses were not affected for the time being. Due to the sharp increase in domestic alumina prices and the Jamaican alumina accident, the Australian FOB price of alumina rose from US$285/ton at the beginning of the month to US$393/ton at present, and the alumina import window remained open.
In August 2021, electrolytic aluminum imports 105,700 tons, a month-on-month decline of 76,500 tons. In the first 8 months, the cumulative import was 1.032 million tons, a cumulative year-on-year increase of 73.75%.
The Shanghai-London ratio fell back to around 1.206, and the profit of electrolytic aluminum imports narrowed, but there was still a slight profit. As of the week of September 11, the aluminum ingot inventory in the Shanghai Free Trade Zone fell to 94,000 tons. The opening of the import window attracted overseas sources and the inflow of aluminum ingots in the Free Trade Zone. It is expected that imports in September and October will increase month-on-month.
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Ceramic foam filters Dimension
Ceramic foam filter Pore Size (PPI): 10/20/30/40/50/60
30ppi 40ppi Foundry Filter is the most commonly used ceramic foam filter in the aluminum casting industry.
Ordinary aluminum casting usually uses 10-40ppi ceramic filter plates.
Aviation and high-quality aluminum materials usually use 30-60ppi ceramic filter plates.