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GP-800 Grey Ceramic Microspheres are extra-coarse, ultra-high-strength alumino-silicate ceramic microspheres engineered for applications operating under extreme mechanical stress, high pressure, and high temperature conditions. GP-800 represents the most robust grade within the GP Series, designed for maximum volume build, density reduction, and structural reinforcement in heavy-duty industrial systems. The rigid ceramic shell and large spherical geometry allow GP-800 to deliver exceptional load-bearing capacity, dimensional stability, and pressure resistance, making it particularly suitable for oil & gas cementing, wellbore strengthening, industrial flooring, and thick-section composites.
Ceramic Microspheres, Aluminosilicate Microspheres, Ceramic microballoons
93924-19-7
300-212-6
2621.90.0000
Not regulated as Dangerous Goods
Free-flowing powder
1.12-1.15
Ceramic microspheres are high-heat stable upto 1200–1400 °C
High-pressure cementing and wellbore strengthening systems
Lightweight cement slurries for deep and ultra-deep wells
Plugging and abandonment formulations
Heavy-duty repair mortars and grouts
Load-bearing and structural fills
Industrial flooring and thick screeds
High-build protective and corrosion-resistant coatings
Wear-resistant linings for tanks, pipelines, and equipment
Thick-section thermoset composites
Polymer-modified concrete systems
Molded industrial and structural components
| Property | Typical Value |
|---|---|
| Chemical Composition | Alumino-Silicate Ceramic |
| Color | Grey |
| Particle Morphology | Spherical |
| Structure | Rigid / Ultra-High Strength |
| True Density | ~2.2 g/cc |
| Particle Size (D95) | ~50 microns |
| Particle Size (D90) | ~35 microns |
| Particle Size (D50) | ~15 microns |
| Surface Area | ~3 m²/cc |
| Oil Absorption* | ~20 g / 100 g |
| Mohs Hardness | ~6 – 7 |
| Thermal Stability | > 1,000 °C |
| Form | Free-flowing powder |
Oil absorption measured as grams of oil per 100 grams of microspheres.
Enables lightweight formulations without compromising load-bearing performance.
Designed to withstand extreme pressure and mechanical stress in demanding environments.
Extra-coarse particles provide efficient thickness build and cavity filling.
Minimizes shrinkage, cracking, and deformation in thick and heavy sections.
Stable at elevated temperatures and resistant to aggressive chemicals and hydrocarbons.
Inorganic ceramic composition ensures long-term stability and fire safety.
Reduces reliance on heavier aggregates and fillers while maintaining strength.
GP-800 Grey Ceramic Microspheres are inorganic, non-toxic, and non-hazardous under normal industrial handling conditions.
Non-flammable and non-reactive
Does not emit hazardous fumes
Dust generation should be minimized
Safety goggles
Gloves
Dust mask or respirator in dusty environments
Refer to the Safety Data Sheet (SDS) for detailed handling and occupational safety guidance.
25 kg HDPE-lined paper bags
Jumbo / bulk bags