Quartz stone, Application : Making Jewellery

We are offering quartz stone,
Basic chemical constituents of Champwin quartz:unsaturated polyester-natural quartz (silicon dioxide)-chemical pigment-glass,lens and natural ore grain in right amount.
Crystal content:about 92%
Unsaturated polyester resin content:7-8%
Provided with inspection report issued by china stone Material Test Center (detailed in test report),i.e.hardness up to about 68 HS,drying bending degree about 32 Mpa and drying comprehensive strength about 180 Mpa.
Styrene of resin in finished product has formed indecomposable three-dimensional conical structure through isomerization polymerization with polymeric material.Therefore,there is no residual styrene and structure of the product is hard without toxin and bacteria.