中文字幕av久久爽一区,亚洲大尺度无码无码专线一区,少妇真实被内射视频三四区 ,人妻少妇乱子伦精品

Shijiazhuang Worldwide Furfural and Furfuryl Alcohol and Furan Resin Co.,Ltd.
TEL:+86 0311-86683938 85373395
FAX:+86 0311-86682938
furanss@163.com
furfurals@163.com
WEB: http://yuhengtouzi.cn

Home>>

Sulfonic curing agents

  Sulfonic curing agents Sulfonic curing agents Sulfonic curing agentsSulfonic curing agentsSulfonic curing agentsSulfonic curing agents









 Sulfonic curing agent Series

These products are widely used for moulding and hardening of furan resin and phenolic resin under various humidity and temperature.They are of fast hardening speed,simple moulding process and good sand-mould dispersedness, meeting various requirement of moulding process.The quality standard of product accord with HG/T2345-92.

Item

Index

 GS03#

 GS04#

 GS07#

 GS08#

 GS09#

Density,g/cm3

1.20-1.30

1.20-1.30

1.20-1.40

1.20-1.40

1.20-1.40

Viscosity(20 Sulfonic curing agents), mpaSulfonic curing agentss

10-30

10-30

15-25

15-25

15-25

Total Acidity (based on H2SO4),%

24.-26.

18.-23.

27-30

30.-33.

35-40







Package: 30KG plastic barrel.

The period of validity(5-40 ℃): three years

The annual output: 15000tons