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Coatings Ingredients
The material selection platform
Coatings Ingredients
by SpecialChem
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3M™ Glass Bubbles K20

Technical Datasheet | Supplied by 3M
3M™ Glass Bubbles K20 by 3M is a low density soda-lime-borosilicate glass filler. Shows low alkalinity, high strength and lower film permeability. Offers uniform sheen, high-build/ low-slump, higher filler loading, reduced gloss, shrinkage and warpage. Provides chemical-, water-, abrasion-, scrub and burnish resistance. Exhibits chemical inertness, exterior solar reflectivity, low thermal conductivity, low dielectric constant and easier washability. Recommended for oil & gas outdoor storage tanks, cryogenic tanks & tankers and gel coats for boat cabins. It improves opacity, viscosity, flow, levelling and sprayability. Applicable for architectural, anti-condensation and industrial paints & coatings like maintenance coatings for bridges, truck under-carriages & other exposed metal structures and epoxy floor coatings. 3M™ Glass Bubbles K20 is also used in solar reflective coatings for roofs, exterior walls, mobile phones, caravans, refrigerated storage warehouses and refrigerated trucks. It is a non-combustible and non-porous grade.
Product Type
Fillers / Fibers
Chemical Composition
Soda-lime-borosilicate glass
Physical Form
Spheres, Micro size
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