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coal tar extract
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High Quality Coal Tar Pitch Powder Used In Burden Factory As Adhesive Hot Sales Product Description Coal tar pitch powder used for the production of ...
2024-12-09 18:23:38
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High Temperature Coal Tar Pitch Powder With Granularity 0-3mm Work as the Raw Material of Refractory Products Chemical Properties : Coal tar pitch ...
2024-12-09 18:23:38
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...Coal Tar Pitch Powder With The Granluarity 80 - 100 Mesh Chemical Properties : Item Unit Range Softening Point centigrate 108-115 Ash Content % ≤ 0...
2024-12-09 18:23:38
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High Temperature Coal Tar Pitch Lump With Excellent Performance Directly Supplied by Jing Hao Chemical Co., Ltd Chemical Properties : * Coal tar pitch ...
2024-12-09 18:23:38
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.... Application courses: Coal Science and Technology (first-grade subject); Coal Utilization and Processing (Second grade subject); Coal reversion ...
2024-12-09 18:23:38
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High Temperature Coal Tar Pitch /High Temperature Pitch Powder Sulfonated Powder Product Description Coal tar pitch powder used for the production of ...
2024-12-09 18:23:38
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Hard Asphalt, Coal Tar Pitch, Powder, Block, Black,Shiny.Nature Tar From China Product Description Coal tar pitch powder used for the production of ...
2024-12-09 18:23:38
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