强威--60型特级膨胀珍珠岩（又称珠光砂），它是91部优产品的升级换代系列产品之一，适用于空分、液氧、液氮、液氩冷冻石油液化气等低温和超低温填充装置，它是理想的冷箱和超低温保温绝热材料。
| 项目 | 单位 | 指标 |
| 密度 | kg/m3 | 50～60 |
| 导热系数 | W/m.k | 0.0235 |
| 粒度 | m.m | 1.25～0.28为90%，0.28&以下为＜10% |
| 含水率 | % | &≤0.5 |
| 安息角 | 度 | 33～37 |
指在常压下温度40～ -197℃的平均值。
| &组合 | &氧化硅 &（SiO2&） | &氧化铁 &（Fe2O3&） | &氧化铝 &（Al2O3&） | &氧化镁 (MgO2） | &氧化钙 (CaO2) | &烧失量 |
| &含量 | 78.46 | 1.07 | 12.59 | 2.11 | &微量 | &微量 |
试验温度高于1000℃，未发现明显的熔化现象。
强威--60型特级珍珠岩于1994年开发生产以来，分别用于全国空分设备和制氧行业保温，同时已成为国内和世界主要低温设备制造厂供应商。本产品包装分内塑料密封袋、外编织袋包装和保温、加压糟车包装。
欢迎使用本公司产品-强威60型特级膨胀珍珠岩。
请您认准注册商标--“强威牌”
Type QIANGWEI TM --60 Special Grade Expanded Pealite
Qiangwei - 60 Type Super Expanded Perlite Products （also called pearl grit）is one of the advanced series of 91 high quality products which apply to low temperature air separation and super low temperature filling apparatus of Hydraulic Oxygen, Hydraulic Nitrogen, Hydraulic Argon Freezing Petroleum Hydraulic Gas. It is an ideal freezer and super low temperature keeping and heat insulation material.
| Item | Unit | Reglation |
| Density | kg/ m3 | 50～60 |
| Thermal* Conductivity | W/m.k | 0.0235 |
| Size | m.m | &＞90%(1.25～0.28)&，＜10%(below0.28) |
| Water | % | = &＜0.5 |
| Rest Angle | Degree | 33～37 |
*Average at 40～ -197℃ standard atmosphere.
| Compound | &氧化硅 &（SiO2&） | &氧化铁 &（Fe2O3&） | &氧化铝 &（Al2O3&） | &氧化镁 (MgO2） | &氧化钙 (CaO2) | Burning |
| Contain(%) | 78.46 | 1.07 | 12.59 | 2.11 | Micro | Micro |
Experimental temperature is over 1000℃。 No clear melting phenomenon.
Since the establishment of Qiangwei - - 60 Type Super Perlite Products in 1994, it has been used in wet-keeping for equipment throughout the country and oxygen manufacturing trade. We have become the main manufacturer and supplier of low temperature equipments both home and abroad. The packages of the products have inner plastic sealing bag, outer weaving bag and temperature keeping & pressure adding packing.
Welcome to use our Qiangwei - - 60 Type, Super Expanded Perlite Products.
Please recognize the registered brand - "Qiangwei".
