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. 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，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 thatis approximately 30% solids by weight. The silica dispersion issodium stabilized and the amorphous silica particles carry anegative surface charge. The SiO2particles are discrete, have aslightly rough, spherical shape, and are present in a narrowparticle size distribution. The physical appearance of thedispersion is a translucent liquid, slightly more viscous thanwater. 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 applicationand functions.
Storage, Handling, & Transport
GT-30 should be transported and stored at a temperature of5-35℃(40-95oF). If the silica dispersion is allowed to freeze, thesilica will irreversably precipitate. For bulk storage, the tankshould be sealed and constructed of plastic, fiberglass reinforcedplastic, or stainless steel. For packaged goods, any translucentpackages should be stored out of direct sunlight or bright light.Under recommended conditions, GT-30 has a shelf life of at leasttwelve months after production.
GT-30 is available in bulk and packaged quantities. Bulkshipping and packaging sizes can vary by region.
Before handling this material, review the corresponding MaterialSafety Data Sheet.
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