Organic Bentonite Rheological Additive BT-181

BT-181 is a light-colored, free-flowing powder organoclay. It is suitable for diesel-based solvent systems, providing excellent suspension, thixotropy, and stability. It requires high-speed dispersion and can be added directly as dry powder. Widely used in oil drilling muds and oil-based spotting fluids to enhance suspension, hole cleaning, and filtration control. Maintains stable performance at temperatures up to 230°C and high pressures.

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SKU: BT-181 Categories: , Brand:

Specifications

Appearance: White free-flowing powder
Volatile content (105°C, 2 hours): ≤ 3.5%
Particle size (<76μm or 200 mesh): ≥ 95%
Colloid percentage ml/2g: ≥95%

Features & Applications
Light-colored free-flowing powder, suitable for diesel-based solvent systems. Offers excellent suspension, thixotropy, and stability. Requires high-speed dispersion and direct dry powder addition. Widely used in oil drilling fluids and oil-based freeing fluids, enhancing suspension, cuttings transport, wellbore stability, and filtration control. Maintains stable physicochemical properties under high pressure (100 MPa) and extreme temperatures (230°C).

Packaging & Storage
Double-layer packaging (outer kraft paper + inner polyethylene film) or valve paper bags. Net weight: 25±0.25kg (customizable). Store in dry conditions (0–30°C); shelf life: 24 months.

⬇️ Download  BT-181 TDS (PDF, 303KB)

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