Technical specification for preparation of low pressure barium phenolic resin prepreg cloth
This standard is applicable to the preparation of alkali-free fiberglass cloth, high silica fiberglass cloth and staple fiber polyester cloth preimpregnated with low pressure barium phenolic resin.
1 Raw materials
See Table 1 for the raw and auxiliary materials used in this standard.
Table 1
Material name Technical conditions Specification Production unit
Alkali-free fiberglass cloth JC170-80 - Jiangsu Rugao Fiberglass Factory
High silica fiberglass cloth Q/JC13-69 - Shaanxi Xingping Fiberglass Factory
Staple fiber polyester cloth GS745-78 - Shanghai No.33 Weaving Mill
Low pressure barium phenolic resin DFQS-3-75 - Beijing 251 Factory
Alcohol GB394-81 Technically pure -
Acetone GB686-78 Chemically pure -
High pressure polyethylene plastic film - 0.1mm thick
1,000mm wide Beijing Plastic Products Factory
Notes:
① The raw materials listed in this table are not limited for their production units materials, but they shall meet the technical conditions.
② Other plastic films may be selected as isolation materials.
2 Main equipment and tools
1 Raw materials
2 Main equipment and tools
3 Manufacturing technique
4 Quality analysis on prepreg cloth
5 Quality control and product inspection
6 Packaging, marking, storage and transportation
Annex A Quality analysis method for prepreg cloth (Supplement)
Annex B Original record table for impregnated fiber cloth (Reference)