求購(gòu)Buy White Mullite Granules
產(chǎn)品名稱: | Buy White Mullite Granules | |||
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備注: | We are looking for a ceramic material, about 10 mesh or larger (1.5 mm or larger) that is very white, not transparent. The desired ceramic material should be a colorless (non absorbing) material that provides a lot of reflective surfaces. This material is very porous (typically between 20 and 40% porosity, although materials outside this range would also be interesting.) In these materials, impurities are not a problem as long as they do not discolor the granule. Iron is a typical impurity that at high levels would turn the granule tan/brown so should be avoided. Salts such as chlorides and carbonates hurt the long term stability and should be minimized. Impurities such as zirconia, silica, magnesium, calcium, titanium and others are typically not a problem. TARGET SPECIFICATIONS: Desired Range Specific Gravity: 2.5 - 3.0 Bulk Density lbs/cu.ft.: 80 - 110 UV Opacity High Disintegration Potential (freeze/thaw, hot/dry):Low Oil Absorption (porosity): Low ?(Note: low is desired. However, substantial porosity might be need to get opacity) Carbonate Content: <5% Rust Potential (Oxidizable Iron Content)None Barrett Hardness: >75moh Hardness: 4 - 8 | |||
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