帮助中心
配方类型:
RUBBER, PLASTICS & WAXES
配方说明:
Chlorine-Resistant Textile Finish Resin (Ethylene-urea formaldehyde
resin)
配方组成:
Ethylene urea/318.6
Caustic soda, 30%/1.1
Water/430.0
Celanese Flake Paraformaldehyde, 91%/250.3
配制方法:
Charge all the materials to the kettle. The exotherm will carry the temperature to 50-55'C in approximately 10 min. Hold temperature at 55'C for 30 min..
cool to room temperature.
Adjust to a pH of 7.3 with phosphoric acid.
Filter to remove insoluble material if necessary.
联系我们
咨询反馈