RHEOLOGYADDITIVESDEFOAMERSPRODUCT GUIDEPOLYURETHANE SYSTEMSSURFACEADDITIVESPROCESSING
ADDITIVES
TS-G 3WETTING ANDDISPERSING ADDITIVES

02

Polyurethane systems

Additives overview
ProductEffectProduct group

Application

BYK-088

Deaeration

Air release additives

Very effective, universal

BYK-A 535

Universal, solvent-free, with food contact legal status**

BYK-1796

Very effective, universal, polysiloxane-based

BYK-W 969

Viscosity reduction

Wetting and dispersing additives

All applications, all types of fillers, all types of polyol blends

BYK-W 903

Casting applications, all types of fillers, preferably for polyether/polyol blends

DISPERBYK-142

All applications, all types of fillers, all types of polyol blends

VISCOBYK-4015

Universal, especially for unfilled systems

BYK-P 9915
GARAMITE-1958

Anti-sagging, viscosity increase

Processing additives

Universal, especially for unfilled systems, OH-functional

Rheology additives

All applications, especially in combination with RHEOBYK-R 607

RHEOBYK-R 607*
BYK-W 961

All applications, addition to the polyol component
Anti-settling

GARAMITE-1958

Wetting and dispersing additives

All applications, all types of fillers

Rheology additives

All applications, especially in combination with RHEOBYK-R 605

RHEOBYK-7410 ET
BYK-370

All applications, all types of fillers
Surface leveling

Surface additives

Universal, polysiloxane-based, solvent-free

BYK-S 706

Universal, minor effect on surface tension

BYK-A 525

All applications, with air release properties

BYK-P 9904

Phase separation

Processing additives

Compatibilizer for incompatible mixtures of polyols with e.g. cyclopentane

BYK-P 9908

Compatibilizer for incompatible mixtures of polyols with e.g. butane diol, PTMEGBYK-P 9909

Compatibilizer for incompatible mixtures of polyols, especially based on polyethers

BYK-P 9912

Mold release

Processing additives

All applications* Always in combination with a solid thixotrope like fumed silica or clay.   ** For details contact foodcontact.byk@altana.com or visit www.byk.com.

10/2022
TS-G 3
BYK-Chemie GmbH
Abelstraße 4546483 Wesel
GermanyTel +49 281 670-0
Fax +49 281 65735

ADD-MAX®, ADD-VANCE®, ANTI-TERRA®, AQUACER®, AQUAMAT®, AQUATIX®, BENTOLITE®, BYK®, BYK-AQUAGEL®, BYK®-DYNWET®, BYK-MAX®,
BYK®-SILCLEAN®, BYKANOL®, BYKCARE®, BYKETOL®, BYKJET®, BYKO2BLOCK®, BYKONITE®, BYKOPLAST®, BYKUMEN®, CARBOBYK®, CERACOL®,CERAFAK®, CERAFLOUR®, CERAMAT®, CERATIX®, CLAYTONE®, CLOISITE®, DISPERBYK®, DISPERPLAST®, FULACOLOR®, FULCAT®, GARAMITE®,GELWHITE®, HORDAMER®, LACTIMON®, LAPONITE®, MINERPOL®, NANOBYK®, OPTIBENT®, OPTIFLO®, OPTIGEL®, POLYAD®, PRIEX®, PURABYK®,
PURE THIX®, RECYCLOBLEND®, RECYCLOBYK®, RECYCLOSSORB®, RECYCLOSTAB®, RHEOBYK®, RHEOCIN®, RHEOTIX®, SCONA®, SILBYK®, TIXOGEL®
and VISCOBYK® are registered trademarks of the BYK group.

info@byk.com
www.byk.com

The information herein is based on our present knowledge and experience. The information merely describes the properties of our products but noguarantee of properties in the legal sense shall be implied. We recommend testing our products as to their suitability for your envisaged purpose prior touse. No warranties of any kind, either express or implied, including warranties of merchantability or fitness for a particular purpose, are made regardingany products mentioned herein and data or information set forth, or that such products, data or information may be used without infringing intellectual
property rights of third parties. We reserve the right to make any changes according to technological progress or further developments.
This issue replaces all previous versions.