Quartz and raw material
Define dimensions, acceptable fines and sorting constraints. Document composition and lot consistency.
OPR / MAROCSILICE.COM / OPR
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Quartz, sand, grains and silica flour
A form suited to your processing chain.
Sand and classified fractions
Specify size limits and distribution. Washing, drying and classification are agreed subject to OPR confirmation.
Powders and flour
For flour, define d10, d50, d90 or d97, oversize and method. Milling, packaging and dust controls are project-specific.