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Thinner / Deflocculant · WBM
Thinner / Deflocculant · WBM
Thinner / Deflocculant · WBM

Calcium Lignosulfonate Thinner

PZT-CSL-1 is a calcium lignosulfonate-based thinner and dispersant derived from the sulfite pulping process, used to reduce viscosity and gel strength in water-based drilling fluids. It deflocculates clay platelets so the mud thins without removing the solids that carry weight, which is what makes a thinner preferable to dilution when rheology drifts high. Because it carries no chromium, it is the practical choice in jurisdictions where chrome-based lignosulfonates are restricted or prohibited. Typical treatment is 1.0 to 6.0 lb/bbl (2.9 to 17.1 kg/m3) depending on the target rheology and fluid-loss profile. Supplied in 25 kg multi-wall bags.
Appearance
Tan to light brown powder
Moisture
10% Maximum
pH (1% solution)
4.0 - 6.0 (typical)
Full TDS available on request, contact sales@petriz.co
form
Tan to light brown powder
application
Viscosity and gel-strength reduction in water-based mud
compatibility
Water-based drilling fluid systems
packaging
25 kg (55 lb) multi-wall bags · custom packaging on request
Rates shown are indicative; actual dosage depends on temperature, mud weight, and application conditions.
Available Documentation
TDS - Technical Data SheetSDS - EN · ES · PTCOA - Certificate of Analysis
Request Full Documentation Pack
Response within 24 hours · sales@petriz.co
Use Cases & Applications
  • Viscosity and gel-strength reduction in water-based drilling fluids
  • Chrome-free substitution where ferrochrome lignosulfonate is restricted
  • Rheology control in fluids carrying moderate contamination
Pros
  • Chrome-free, avoiding the regulatory exposure carried by ferrochrome grades
  • Deflocculates without dilution, so mud weight is preserved
  • Well-established, low-cost thinner chemistry with a long field record
Cons & Limitations
  • Less temperature-tolerant than ferrochrome lignosulfonate; performance falls away in high-temperature systems
  • Acidic in solution (pH 4.0-6.0), so alkalinity needs rechecking after treatment
Response within 24 hours
Product Tags
LignosulfonateThinnerDeflocculantChrome-FreeSDS: EN · ES · PT