日韩欧美性爽视频国产免费_亚洲手机在线_午夜一区二区成人_亚洲第一福利传媒区_再深点灬舒服灬受不了了视频_日韩天堂 av中文_91黄色视频网站在线观看_免费91精品国产_男女激烈精交GIF动态图_成人性生交大片免费看试看d片

silica quartz sand

點擊次數(shù):182   更新時間2018-09-20     【關(guān)閉分    享:

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

%

〉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 .

東??h超日石英制品有限公司
電話:18912157199
地址:江蘇連云港東海駝峰
郵箱:guiweifen@qq.com