Coated sand renewable supply, Hebei coated sand regeneration, Qingdao Heng
Coated sand renewable supply, Hebei coated sand regeneration, Qingdao Heng
Coated sand is coated sand by Dr. Ke Luoning in Germany during World War II invention regeneration offer, its process is powdered phenolic thermosetting resin sand mechanically mixed with the original, when heat cured. After developing into a thermoplastic phenolic resin plus latent curing agent (hexamine) and a lubricant coating process through certain formulated as coated sand coated sand regeneration production line, when the coated sand coated sand heated surface resin is melted, at 乌洛托 coated sand product decomposition of methylene coated sand regeneration action, the molten resin is rapidly changing from a linear structure into the body structure is not melted, so that the coated sand curing. Adhesive properties have a great impact on the quality of coated sand, people have been working on how to improve the performance of phenolic resin coated sand renewable supply, and to find alternatives phenolic resin. Abroad has developed a special resin with different properties, such as high strength, low gas resin, the resin is easy to collapsing, there are reports of the use of modified polyester resin, but did not get the full extension, so far is still widely used modified phenolic resin. China in recent years in research and development dedicated phenolic resin coated sand faster, has developed a different modified phenolic resin coated sand for the production and use of renewable supply, Hebei coated sand regeneration, Qingdao, Qingdao Heng Heng Machinery Limited. Qingdao Heng Machinery Co., Ltd. (www.thjidian.com) strong, credible, Shandong Qingdao Cleaning equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Qingdao Heng and you hand into the brilliant, for a better future!
Contact Detail
Company Name: | Qingdao Heng Machinery Co., Ltd. |
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Employee Number: | |
Annual export: | |
Year Established: | |
Contact Person: | Mr. Liu promotion() |
Telephone Number: | 0532-86380068 |
Company Address: | Pingdu Qingdao Grange Industrial Park, Qingdao City, Shandong Province, China |
Zip/Postal Code: | 266721 |
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