Drilling minerals and salts

Gilsonite

HS code 271490

Gilsonite is a natural asphaltite that seals micro-fractures, reduces fluid loss and stabilises shale in drilling fluids. It also modifies asphalt and serves inks, paints and waterproofing. We trade it by ash content, from 5 % to 25 %.

  • Drilling and cementing additive
  • Asphalt and bitumen modifier
  • Paint and ink ingredient
  • Waterproofing binder
Gilsonite

Specification

Grades by ash content
Property5 %10 %15 %20 %25 %
Ash, %≤ 5≤ 10≤ 15≤ 20≤ 25
Moisture, %≤ 1≤ 1≤ 1≤ 1≤ 1
Softening point, °C160-220160-220220-260220-260220-260
Flash point, °C290-310290-310290-310290-310290-310
Solubility in CS₂, wt %85-9080-8570-7565-7060-70
ColourBlackBlackBlackBlackBlack

Typical values from current supply. The binding values are those on the contract and the Certificate of Analysis for each lot.

Available forms

  • Micronised powder

Grades

  • Gilsonite 10 %
  • Gilsonite 15 % (drilling)
  • Gilsonite 25 %
  • Other ash grades on request

Packaging

  • 1,000 kg jumbo bags
  • 25 kg woven PP bags with liner, palletised
  • 25 kg woven PP bags with liner in jumbo bags

Main applications

  • Oilfield drilling additive
  • Cementing additive
  • Road asphalt performance

Trade terms

  • Supply in 20' and 40' containers, or in bulk where noted
  • Every bag labelled with batch number and net weight
  • Certificate of Analysis (COA) with each shipment
  • Technical data sheet (TDS) and MSDS on request
  • Free samples for qualification
  • FOB or CFR offers, lot sizes to suit your programme

Values that set the price

  1. Ash content grade
  2. Solubility in CS₂
  3. Bag type and palletising
  4. Lot size and destination port

Ask for a price on Gilsonite

Send grade, quantity, packaging and destination port. We reply with an offer and the matching data sheet.