| 种类中间体、助剂 | 型号GT-30 |
| 类别中间体、助剂 | 品牌GOTEC |
| 执行标准企业标准 | 主要用途用于镀锌封闭剂，提高耐盐雾能力、附着力和硬度 |
gt-30纳米硅溶胶
本产品是一种碱性纳米二氧化硅分散胶体，外观无色透明或微带乳白色，略比水粘稠，固含量30%。二氧化硅以无定型球体形式存在，粒径为10nm，二氧化硅粒子表面带有少量负电荷，具有很大比表面积。
1） 产品参数
固含量，wt% 30.0
密度， g/ml 1.21
粒径，nm 10
ph 9.8
粘度，cp 10.0
2） 特点和用途
1. 高档陶瓷涂料用；
2. 精密铸造结合剂；
3. 可用作防滑，防结块处理添加剂，耐火纤维中的高温粘结剂；
4. 电镀行业用作镀锌封闭剂产品中的耐盐雾添加剂，具有优越的盐雾侵蚀测试表现，同时可提高膜层硬度和耐磨性及附着力。
3）包装和储存
本产品有25、250公斤/桶包装，在5-35℃条件下保质期为1年。
gt-30is an alkaline, aqueous dispersion of colloidal silica that is approximately 30% solids by weight. the silica dispersion is sodium stabilized and the amorphous silica particles carry a negative surface charge. the sio2particles 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-30 is produced for world-wide ditribution.
typical properties
silica, wt%: 30
ph: 9.8
viscosity, cp: 10
particle size, nm: 10
density, g/cm3: 1.21
na2o, wt%: 0.55
range of applications
gt-30 is a versatile product that has many different application and functions.
storage, handling, & transport
gt-30 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-30 has a shelf life of at least twelve months after production.
gt-30 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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