Silica Sand Introduction Quartz sand is quartz stone processed by the crushing of quartz particles. Quartz stone is a non-metallic mineral, a hard, wearable, chemical properties and stability of silicate minerals, the main mineral composition is SiO2. Quartz sand is an important industrial mineral raw materials, non-chemical dangerous goods, widely used in glass, casting, ceramics and fireproof materials, smelting ferrosilicon, metallurgical flux, metallurgy, construction, chemical, plastics, rubber, abrasive, filter and other industries.    Silica Sand Properties Items Unit Typical testing value L.O.T. % 0.1 SiO2 % ã??99.5 Fe2O3 % 0.015 Al2O3 % 0.1 CaO % 0.03 TiO2 % 0.004 MgO % 0.002 K2O % 0.02 Na2O % 0.005 Mohs hardness 7 Density g/cm3 2.65 PH 6.5-7.0 Melting point (??) 1730 Silica Sand Packaging & Shipping 1.Packing : 25kg/bag ,then 1000kg/bag . 20-25mt/1x20container .                   we can pack it according your need too.   2. Delivery : It is not dangerous goods , can be delivered just as ordinary goods . Company Introduction  Lianyungang changtong silica powder co.ltd established in 2009. We have been experience in producing and sales for almost 10 years .We are specializing in production of silica powder, silica sand, fused silica, cristobalite.We can accept you to customize the different specifications according to your own needs .    We have sold our products to America,Brazil ,India ,Dubai ,Thailand ,Turkey and so on. We appreciate the opportunity to meet your silica need.    Please kindly contact us right now if you're looking for a professional manufacture. Silica Sand FAQ 1. Q : Does your company offer free sample ? A : Yes ,we can offer free sample within 25kgs. 2. Q : Does your company accept any factory inspection ? A : Yes ,we accept customer inspection and third party inspection . 3. Q : Can you provide technical support ? A :yes ,we can provide on line technical assistance or on site technical guidance . 4. Q :what??s your MOQ ? A:I Ton , (sample can be as minimum as possible ) 5. Q : can you offer free sample ? A : yes ,we can provide sample free for your testing . 6. Q : what??s your delivery time ? A:within 15 days after receiving deposit . 7. Q : what??s your export port ?