3M™ Glass Bubbles K25 40 kg/SM Case

3M Product Number K25
3M ID FS910004142
UPC 53134375215157

Density reduction

Higher filler loading feasible and lower VOC for paints and coatings

Chemical stability and inertness

Details

Highlights

Density reduction
Higher filler loading feasible and lower VOC for paints and coatings
Chemical stability and inertness
Temperature resistance
Thermal conductivity reduction

3M™ Glass Bubbles K25 are hollow microspheres made of soda-lime borosilicate glass with a true density of 0.25 g/cm³ and an isostatic crush strength of 750 psi / 52 bar.

This general purpose Glass Bubbles grade was designed for use in a variety of applications such as paints and coating, wall plasters, and polyurethane and epoxy systems for tooling boards. Furthermore, it is suggested to be used in intermediate depth (e.g. up to 5,000 feet / 1524 meters of sea water) buoyancy applications, such as drill riser buoyancy models.

Specifications

Details

Appearance (Unaided Eye)	White Powder
Brands	3M™
Composition	Soda-lime Borosilicate Glass
Crush Strength (Metric)	5.17 MPa (80% Minimum Fractional Survival)
Industries	Paints and Coatings, Insulation and Buoyancy, Construction
Net Weight (Metric)	40 kg
Shape	Thin-walled Hollow Spheres
Typical Density	0.25 g/cc
Typical Median Particle Diameter	55 µm

Resources

Glass_Bubbles_Overview_0919_web_US.pdf

Brochures

(PDF, 4MB)

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3M™ Glass Bubbles K25 40 kg/SM Case

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Specifications

Details

Resources

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