GEOSPHERES™ SERIES
CERAMIC
MICROSPHERES
WHITE & GREY
Ultra-lightweight hollow alumino-silicate spheres engineered for precision density control, surface enhancement, and rheology optimization across coatings, construction, polymers, and composites.
ADVANCED PERFORMANCE
SPHERICAL ENGINEERING
Redefine strength, smoothness, and density control with high-performance ceramic microspheres — engineered as lightweight, hollow alumino-silicate fillers for advanced industrial formulations. GEOSPHERES™ White & Grey Series deliver exceptional lightweighting, surface enhancement, rheology control, and dimensional stability.
As industries move away from conventional heavy mineral fillers such as talc, silica, calcium carbonate (CaCO₃), barytes, and wollastonite, ceramic microspheres offer a next-generation alternative with a superior strength-to-weight ratio, improved film integrity, enhanced flow, and optimized application efficiency — achievable at significantly lower filler loadings.
Our engineered white and grey ceramic microspheres enable precise density reduction, smoother surface finish, improved burnish resistance, better workability, reduced shrinkage, and enhanced thermal insulation — without compromising compressive strength, mechanical durability, or long-term performance.
Produced from refined alumino-silicate minerals using controlled high-temperature thermal processing, their uniform spherical morphology and high crush strength make them an ideal replacement for traditional fillers across coatings, construction, polymers, adhesives, and composites.
Powerful Lightweighting
Major density reduction while maintaining full engineered performance in finished parts and coatings
01High Strength-to-Weight
High crush-strength microspheres for demanding systems where durability and load resistance matter
02Thermal Insulation
Lower thermal conductivity improves heat management in insulating coatings, foams, and composites
03Lower Viscosity & Flow
Spherical morphology reduces internal friction, improves wet-out, and delivers smoother application
04Barrier & Protection
Creates a tortuous path for moisture and chemicals — improving substrate protection and barrier performance
05Dimensional Stability
Minimizes shrinkage, sink marks, and warpage in polymers and cementitious systems
06Surface Finish
Improves burnish resistance, smoothness, and sanding behavior in putties and fairing compounds
07Silica-Free & Inert
No crystalline silica — chemically inert, safer handling, broad formulation compatibility
08WHITE & GREY SERIES GRADES.
Premium and industrial-grade ceramic microspheres engineered for coatings, construction chemicals, polymer compounds, adhesives, sealants, composites, and demanding industrial applications.
WHERE GEOSPHERES™ DELIVER RESULTS
Paints, Coatings & Finishes
Improves hardness, abrasion resistance, and burnish resistance — thermal barrier, anticorrosive primers, high-build industrial coatings.
→ Thermal barrier, anticorrosive primers, roof coatingsConstruction Chemicals
Tile adhesives, grouts, mortars, repair compounds, and waterproofing — enhances strength-to-weight ratio and reduces cracking.
→ C1/C2 tile adhesives, repair mortars, waterproofingPolymer Compounds
Lightweighting with better stiffness retention and dimensional stability in PP, PE, PVC, ABS, and thermoset compounds.
→ PP/PE/ABS compounds, masterbatches, automotive partsAdhesives, Sealants & Putties
Enhances sag control, improves sanding and fairing, reduces shrinkage — stronger, tougher lightweight fillers.
→ PU/MS sealants, epoxy adhesives, body fillersComposites & Syntactic Foams
Preferred where higher crush strength is needed — FRP, epoxy, PU, and syntactic foam systems with improved compressive strength.
→ Marine buoyancy, FRP laminates, composite panelsOil & Gas Cementing
Lightweight cement slurries and specialty oilfield systems where density reduction must hold under elevated downhole pressures.
→ Lightweight slurries, downhole systems, spacer fluidsAutomotive & Marine
Improves mechanical robustness in lightweight components, supports NVH improvement and better surface durability.
→ Body fillers, underbody coatings, marine fairingCeramic & Refractory
Refractory castables, insulating coatings, kiln/furnace repair compounds, and high-temperature repair mortars.
→ Kiln/furnace repair, insulating coatings, refractory systemsElectronics Encapsulation
Epoxy potting, thermal-insulating encapsulation layers, gap fillers where controlled density and mechanical stability are critical.
→ Epoxy potting, thermal encapsulation, gap fillersGEOSPHERES™ VS CONVENTIONAL FILLERS
Compared to CaCO₃, Talc, Silica, and Kaolin, ceramic microspheres offer a fundamentally different performance profile — delivering lightweighting, flow improvement, and barrier protection that conventional fillers simply cannot match.
| Property | Ceramic Microspheres | CaCO₃ / Talc / Silica | The Advantage |
|---|---|---|---|
| Density / Weight | Low — Hollow Sphere | High — Solid Mineral | Significant weight reduction in parts and coatings |
| Particle Shape | Perfectly Spherical | Irregular / Platey | Better flow, lower viscosity, smoother application |
| Strength-to-Weight | Excellent | Poor — adds mass | Structural reinforcement at lower weight penalty |
| Thermal Conductivity | Low — Insulating | Medium-High | Improved heat barrier in insulating coatings |
| Burnish Resistance | High | Low (CaCO₃, Kaolin) | Coatings stay cleaner and hold appearance longer |
| Shrinkage Control | Excellent | Poor to Moderate | Less cracking, sink marks, and warpage |
| Sandability | Excellent | Poor-Medium | Smoother, faster sanding in body fillers and putties |
| Crystalline Silica | None | Present in Silica grades | Safer for workers — no respirable silica hazard |
| Oil Absorption | Low | High (silica/kaolin) | Less binder demand — higher solids formulations |
| Rheology Control | Predictable & Isotropic | Thixotropic (platey) | Easier formulation control, more consistent behavior |
FIND THE RIGHT GRADE FOR YOUR APPLICATION
Select the appropriate GEOSPHERES™ ceramic microsphere grade based on application requirements, formulation performance, particle size, strength, density reduction, and processing conditions.
| Industry / Application | White Series (WP-210) | Grey Series (GP-200 to GP-800) |
|---|---|---|
| Architectural Paints (Interior/Exterior) | Premium emulsions, scrub-resistant, matte & satin finishes | Economy emulsions, primer formulations |
| Industrial & Protective Coatings | Refinish, UV/PU, waterborne coatings | Underbody coatings, anticorrosive primers |
| Automotive Putty & Body Fillers | High smoothness & easy sanding | GP-200/400 — Bulk filling & reinforcement |
| Tile Adhesives (C1/C2) | — | GP-400 — Improves trowelability, reduces density |
| Cementitious Tile Grouts | — | GP-200/400 — Workability & crack resistance |
| Construction Mortars & Plasters | — | GP-400/600 — Lightweight mortars & patch repair |
| Epoxy Flooring & Repair Systems | Smooth finish & anti-skid textures | GP-400/600 — Strength & dimensional stability |
| Sealants & Adhesives (PU/Epoxy) | Smooth flow, sag control | GP-200/400 — Bulk reinforcement & shrinkage reduction |
| Plastic Compounds & Masterbatches | Gloss control & whitening | — |
| Composites & Lightweight Materials | Low-density composite panels | GP-600/800 — Higher impact strength |
| Thermal Insulation Coatings | Lower thermal conductivity & heat protection | GP-400/600 — Dense thermal barrier applications |
| Oil & Gas Cementing | — | GP-800 — Extreme pressure downhole systems |
SPECIFY GEOSPHERES™
IN YOUR FORMULATION?
Need Our Services?
Call: +91 97695 93030
Work Hours
Mon – Sat: 9:00 AM – 6:00 PM IST
Email Us
support@geoconproducts.com