進口納米二氧化硅分散液 GT-50

    本產品是一種堿性納米二氧化硅分散膠體，外觀無色透明，略比水粘稠，納米二氧化硅含量25%。二氧化硅以無定型球體形式存在，粒徑為22nm，粒子表面帶有少量負電荷，具有很大比表面積。

1）. 產品參數

固含量，wt%           25.0

密度， g/ml            1.18

粒徑，nm                22

pH                           11

粘度，mPa.s           12.0

2）. 特點和用途

1. 高檔陶瓷涂料用；

2. 精密鑄造結合劑；

3. 可用作防滑，防結塊處理添加劑，耐火纖維中的高溫粘結劑；

4. 電鍍行業(yè)用作鍍鋅封閉劑產品中的耐鹽霧添加劑，具有優(yōu)越的鹽霧侵蝕測試表現，同時可提高膜層硬度和耐磨性及附著力。

3）包裝和儲存

本產品有25、240公斤/桶包裝，在5-35℃條件下保質期為1年。

GT-50 is an alkaline, aqueous dispersion of colloidal silica that is approximately 25% solids by weight. The silica dispersion is sodium stabilized and the amorphous silica particles carry a negative surface charge. The SiO2 particles are discrete, have a slightly rough, spherical shape, and are present in a narrow particle size distribution. The physical appearance of the dispersion is a translucent liquid, slightly more viscous than water. GT-50 is produced for world-wide ditribution.
 

Typical Properties

Silica, wt%:                       25

pH:                                   11

Viscosity,mPa.s:               12

Particle Size, nm:             22

Density, g/cm3:               1.18

Na2O, wt%:                      0.55
 

Range of Applications

GT-50 is a versatile product that has many different application and functions.

Storage, Handling, & Transport

GT-50 should be transported and stored at a temperature of 5-35℃(40-95oF). If the silica dispersion is allowed to freeze, the silica will irreversably precipitate. For bulk storage, the tank should be sealed and constructed of plastic, fiberglass reinforced plastic, or stainless steel. For packaged goods, any translucent packages should be stored out of direct sunlight or bright light. Under recommended conditions, GT-50 has a shelf life of at least twelve months after production.

GT-50 is available in bulk and packaged quantities. Bulk shipping and packaging sizes can vary by region.

Before handling this material, review the corresponding Material Safety Data Sheet. 

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