B型硅胶为半透明颗粒,分为球形(SG03)和块状(SG04)两类。主要成分为SiO2.nH2O,不溶于水和无机酸,溶于氢氟酸和浓苛性碱溶液。机械强度高,耐磨性好。其内部结构为孔容0.50-0.80ml/g,孔径50-80Å,比表面积450-600m2/g。
本品主要用作空气湿度调节剂、催化剂及催化剂载体,制作香味硅胶和饲养宠物的垫料,以及用作层析硅胶等精细化工产品的原料。其技术指标如表2所示:
表2:B型硅胶技术指标
Item | Specifications | |||||
Spherical Form(SG03) | Lumpy Form(SG04) | |||||
Super Grade | First Grade | Super Grade | First Grade | |||
AdsorbCapacity% ≥ | RH20% | 4 | 3 | 4 | 3 | |
RH50% | 11 | 10 | 11 | 10 | ||
RH90% | 70 | 50 | 70 | 50 | ||
Bulk Density,g/l | 500-600 | 500-600 | 500-600 | 500-600 | ||
Loss on ignition,% ≤ | 5 | 5 | 5 | 5 | ||
Specific Resistance Ω•cm≥ | 5000 | 3000 | 5000 | 3000 | ||
Particle Size mm | 4.0-8.0,2.0-5.6 | 1.4-4.0,2.8-8.0 | ||||
Bead Quality%≥ | 82 | --- | ||||
Particle size %≥ | 90 | |||||
Note:Custom as per customers’requirements | ||||||
包装 产品采用复合编织袋(内衬聚乙烯袋密封)包装;包装规格为20kg。或按客户要求采用其他包装方式。