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2026-05-25
In accordance with the Requirements of the Measures for Public Participation in Environmental Impact Assessment, this public notice announces the project details of the renovation of Shijiazhuang Colin Filter Paper Co., Ltd.’s production line for 6,000 tons per year of non‑cured filter paper, as well as the scope of the current environmental impact assessment. Relevant individuals or organizations are invited to submit their comments and suggestions regarding the project’s development.
Basic principles and basic knowledge of air filter paper
2017-11-25
Many people do not know what the principle of air filtration is, and why the dust in the air is filtered and purified by filter cotton, filters, etc. Now, I will explain to you the basic knowledge of
Analysis and Recommendations for Filter Paper Selection
2017-11-25
Filter paper material
Natural fibers, including coniferous wood pulp, broad-leaved wood pulp, longgrass pulp, filter paper generally use blended pulp, appropriately add a little cotton pulp;
Chemica