High temperature resistant defoamer

HR-8423 high temperature resistant defoamer

I. Product Introduction

HR-8423 is a water-emulsifying pulp defoamer prepared with special modified polysiloxane as raw material, which has the dual functions of rapid defoaming and lasting foam inhibition, and is resistant to strong electrolytes such as acid, alkali, high temperature and salt. In papermaking pulping section: add this product in a certain proportion evenly into the first trough of the pulp washer or into the outlet of CX sifter, it can effectively control the foam, facilitate the pulp transportation, prevent the loss of pulp and make the pulp easy to be washed and filtered, shorten the time of washing and improve the output and quality of straw pulp, eliminate the phenomenon of mesh paste, and prolong the service life of the mesh skin. Especially used in papermaking cooking process, it can give full play to its superior antifoaming and foam inhibition characteristics.

Technical specifications

Appearance: Milky white uniform liquid

Solid content: 30±2

pH value (1% aqueous solution): 6.5-7.5

Usage

1、According to different foaming systems, adjust the amount of use, the recommended use range of 0.3 ‰-2 ‰.

2、Use of tap water diluted in a certain proportion to join or directly add.

3、When using, do not bring in other items, pay attention to preservation, long time may be layered, stir when using, but does not affect the performance.

Packing, storage and transportation

This product is packed in 200kg or 1000kg drums (or according to customer requirements).

It should be stored in a cool and dry place, avoiding sunlight, with a storage period of 12 months, and transported according to general articles.