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Hollow brick
Detail
The product, made from graphite tailings, is characterized by light weight, high strength, heat preservation, sound insulation, noise reduction and other advantages and it is the first choice of recommendation as an environmental-friendly product by the building department of the State.
Specifications:240mm×115mm×90mm(KP1)
Density: 800—1100kg/m3
Compressive strength: 4—15MPa
Hollow ratio:15—25%
Relative moisture content:0.5—2%
Anti-permeability:<10mm
freezing resistance: D15, loss of strength ≤10%, mass loss≤4%
Composition: gangue 80%, graphite tailings 20%
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