Basf afranil defoamer test result from invely

1. NanJing Invelychem Co.,Ltd
2nd
Floor of 3rd
Building, No.18 Jialingjiang East Street,
Jianye District, Nanjing,China.
If you have any questions, please contact us; Tel: +86-25-58717026
Defoamer Test Result
Activity Solid: Afranil LTD (21%) Invely-5023(23%)
Instrument
Use Cyclic Bubbling Instrument under simulating papermaking white
water system.
White water under a cattle cardboard
The experimental method is as follows:
Defoamer Samples: Invely-5023； Afranil LTD；
Test mothed:
 Prepare 500ml measuring cylinder with 200ml white water in
advance.
 Keep the temperature during testing processing.
 Start to bubble until the foam up to 300ml, add 8µl defoamer into
the measuring cylinder, observe defoaming time and antifoam
time
4-Test Result
Defoamer Defoaming
time based
300ml foam
Antifoam time Temperature
degree
Usage
Afranil LTD 17s 7’20” 25℃ 8µl
Invely-5023 8s 16’15” 25℃ 8µl
Afranil LTD 13s 2’20” 45℃ 8µl
Invely-5023 7s 11’22” 45℃ 8µl