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Milled E-glass (glass (amorphous silica) consisting of SiO2, Al2O3, CaO, MgO, B2O3, F2, Na2O, K2O, Fe2O3) is produced from an industrial E-glass side stream. Milled E-glass can be characterised by:
- ‘Green’ attributes, as a product of an industrial side stream.
- Relatively high Mohs hardness of 6.
Advantage over quartz and cristobalite and certain feldspar grades: free of labelling, milled E-glass grades can be used as an alternative when labelled grades of other mineral fillers are no longer permitted or wanted.
|Colour (D65/ 10°) L*||93||[-]|
Milled E-glass is used in gel coat formulations to improve the abrasion resistance.