Standard No.:	QJ 1126-1987
English Name:	Specification for Preparation Process of Low-voltage Barium Phenolic Resin Presoaked Cloth
Chinese Name:	低压钡酚醛树脂预浸布的制备工艺规范
Chinese Classification:	V15    Composite materials and solid fuels
Professional Classification:	QJ    Professional Standard - Aerospace
ICS Classification:	49.025.60 49.025.60    Textiles 49.025.60
Issued on:	1987-03-07
Implemented on:	1987-10-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	5500 words
Price(USD):	165.00
Delivery:	via email in 1 business day

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)