3M™ Glass Bubbles
XLD 3000
High-strength, extra-low-density hollow glass microspheres designed to create stable insulating voids in deep-water syntactic foams, wet-pipe flowlines and airless-spray coatings.
More volume. Less mass.
XLD3000 combines 0.23 g/cc true density with 3,000 psi crush strength at 90% survival, delivering a strong strength-to-density balance for deep-water insulation and sprayable coating systems.
WET-PIPE FLOWLINES
Designed for insulation and buoyancy systems used on deep-water pipelines.
SYNTACTIC FOAM
Creates strong, stable low-density voids with low thermal conductivity.
AIRLESS SPRAY
Designed for suitable sprayable protective and insulation coating formulations.
POLYMER SYSTEMS
Applicable to qualified thermoset, rubber, plastic and coating composites.
Built for lightweight systems
Representative deep-water flowline insulation and airless-spray coating applications. Final suitability depends on resin chemistry, loading, spray or processing pressure, water depth and end-use qualification.
PWET-PIPE FLOWLINE INSULATION
Strong, stable voids and low thermal conductivity for qualified deep-water pipeline insulation systems.
AIRLESS-SPRAY COATINGS
Fine average particle size and high survival support suitable spray-applied insulation coating formulations.
Density and strength
Charts reproduce XLD3000 values from the supplied technical data sheet and illustrate its unusually low density at a 3,000 psi strength level.
True density
Isostatic pressure at stated survival
Protect flow and integrity
Keep unopened cartons dry and temperature-controlled. Avoid high humidity, condensation and unnecessary dust generation.
Store dry
Reseal opened bags immediately and use first-in/first-out inventory practices.
Control dust
Use local exhaust or dust collection and transfer through closed systems where practical.
Use PPE
Use safety glasses with side shields and consult the SDS for exposure controls and respiratory protection.
TYPICAL PROPERTIES
Values below are reproduced from the supplied technical data sheet and are not for specification purposes.
| Property | 3M™ Glass Bubbles XLD3000 |
|---|---|
| Shape | Hollow spheres with thin walls |
| Composition | Soda-lime borosilicate glass |
| Colour / appearance | Off-white, powdery |
| Crush strength, 90% survival by volume | 3,000 psi |
| True density | 0.23 g/cc |
| Packing factor | 60% |
| pH at 5 wt% loading in water | 9.5 |
| Average diameter | 30 µm |
| Softening point | 600°C |
| Flotation, density below 1.0 g/cc | 99% |
| Volatile content by weight | 0.5% |
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