Performance requirements and production process analysis of base paper for building membrane covered formwork
Performance requirements for building film coated template base paper 1.1 Performance requirements for template base paper There are no specific requirements for the whiteness index of template base paper, so the fiber raw materials for producing template base paper can be chemical pulp, mechanical pulp, or high
1) In the range of 60-70 g · m-2, the uniformity of the quantitative distribution is also very important, that is, good uniformity. Otherwise, when impregnating the glue solution, the absorption is uneven, resulting in drying