Specifications
Appearance: Light white free-flowing powder
Volatile content (105°C, 2h): ≤3.5%
Particle size (<76μm or 200 mesh): ≥95%
Density (g/cm³): 1.7
Ignition loss (850-900°C): ≤40%
Features & Applications
Organic Bentonite Rheological Additive BT-581 is a self-activating rheology additive, addable at any paint-mixing stage without pre-gelation or polar activator.
Easy dispersion, fineness <40μm, suitable for medium-low polarity solvents.
Widely used in high-end paints, inks, top/primers, sealants, etc., providing ideal rheology, anti-sagging, and thixotropic structure.
Packaging & Storage：
Double-layer packaging (outer kraft paper + inner PE film) or valve paper bag, 25±0.25kg or customized.
Store in dry conditions (0-30°C),
Shelf life: 24 months.
