https://www.modulor.de/en/lightweight-filler-hollow-glass-balls.htmlOWACLightweight filler (hollow glass balls)https://cdn.modulor.de/products/owac/1_800_600_leichtfullstoff_glashohlkugeln.jpgfrom 4.3EUREURInStockhttps://cdn.modulor.de/products/owac/1_60_45_leichtfullstoff_glashohlkugeln.jpghttps://cdn.modulor.de/products/owac/1_256_192_leichtfullstoff_glashohlkugeln.jpghttps://cdn.modulor.de/products/owac/1_320_240_leichtfullstoff_glashohlkugeln.jpghttps://cdn.modulor.de/products/owac/1_584_438_leichtfullstoff_glashohlkugeln.jpgstoreaswellModel and Mould MakingModel and Mould Making / Mold-makingModel and Mould Making / Mold-making / Casting Resins & AidsModel and Mould Making / Mold-making / Casting Resins & Aids / Fillers
grey, powdery form, grain size is 0.01 - 0.25 mm, density is 0.6 g/cm³, (powder density is 0.4 g/cm³)
Lightweight filler consists of so-called hollow glass balls (microballoons) made out of micro-silica. These are primarily used to decrease the density of moulding material but, in higher doses, it is also used to make casting resins thixotropic (non-running, gel-like). In small doses, the hollow glass balls will improve the flowability of a resin (ball bearing effect!). Materials with lightweight filler added to them take well to being machined and attain a higher degree of impact resistance and compressive strength. The amount of filler to be added is discretionary.
Lightweight filler (hollow glass balls)
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