Rheology Modifier for Pigment Wetting and Stabilization
Borchi® Gel L 75 N is a polyurethane-based, non-ionic liquid rheology modifier for pigment wetting and stabilization that is VOC-, APEO-, and organo tin-free. It is a HEUR thickener that develops viscosity stability in water-based coatings mainly in the medium shear range. However, Borchi® Gel L 75 N can also provide well-balanced efficiency in high shear ranges. Typically, the shear range is between 1000 s-1 to 10000 s-1 depending upon the binder type and other ingredients in the coating.
Benefits of Rheology Modifiers for Pigment Wetting and Stabilization
Along with pigment wetting and stabilization, Borchi® Gel L 75 N has a variety of additional benefits. These include the promotion of flow and leveling, sag prevention, and the ability to not cause yellowing or chalking in the cured film.
Borchi® Gel L 75 N can be used in universal applications for brush and roll. This solution is known to be especially effective in anti-corrosive coatings.
Appearance Liquid, yellow Non-volatile content 48 – 52 % ISO 3251 (1g, 125 °C, 1h) pH 6 – 8 Density 1.08 g/cm3 DIN 51757 (20 °C) Viscosity 5000 – 9000 mPa.s (23 °C) ISO 3219 (Appendix A) Solvent(s) Water
- Develops viscosity stability in water-based coatings mainly in the medium shear range
- Improves rheological properties of water-based coatings systems for easier brush and roller application
- Does not yellow or cause chalking in the cured film
- Organo tin-free
- Acrylic gloss
- Small particle size emulsions
- 0.1 – 2.0% on total paint formulation
Gloss paints may require a higher amount. The exact dosage should be experimentally determined. The thickening action of Borchi® Gel L 75 N may be reduced by polar, water soluble film forming solvents such as alcohols, glycols and glycol ethers. However, low polar solvents such as butyl diglycol acetate and Texanol® will increase the viscosity effect.
Protect from the effects of weathering and store at temperatures between 5 and 30 °C. Once opened, containers should be resealed immediately after each removal of the product.
Please refer to our safety data sheet for information relating to product safety.
SAFETY DATA SHEET
- Europe : EINECS
- Switzerland : EINECS
- USA : TSCA
- Canada : DSL
- Australia : AICS
- New Zealand : NZIoC
- China : IECSC
- Japan : ENCS
- Korea : ECL
- Taiwan : NECI
- Philippines : PICCS