水滑石系列 Hydrotalcite series
产品简介 Product Introduction
水滑石是一种层柱状双金属氢氧化物（LDH）,其结构是层板型，层间距大，比表面积大，能够使其表面羟基充分与HCI反应，具有一系列独特、优异的性能。 Hydrotalcite is a layered columnar double metal hydroxide (LDH). Its structure is layered, with large layer spacing and large specific surface area. It can make the surface hydroxyl groups fully react with HCI and has a series of unique and excellent properties.
技术指标 Technical index
| 项目\型号 Item\model | LDH－A / LDH－B( 改性 modified ） |
|---|---|
| 外观 Exterior | 白色粉末 White powder |
| 分子式 Molecular formula | Mg4Al2(OH)12C03.3.5H20 |
| 比表面积（m2/g） Specific surface area (m2/g) | 9-12 |
| 平均粒径 (μm) Average particle size (μm) | 4-6 |
| 折射率 Refractive index | 1.50-1.52 |
| 平均失量（105℃，1h) Average loss (105℃, 1h) | ＜2% |
| 摩尔比（Mg0/Al2O3) Molar ratio (Mg0/Al2O3) | 2.2-2.5 |
| 重金属（≤ppm） Heavy metals (≤ppm) | 10 |
产品特性 Product Features
1.热稳定性高 1. High thermal stability
2.安全环保、不含重金属 2. Safe and environmentally friendly, free of heavy metals
3.良好的耐候性 3. Good weather resistance
4.无硫化物污染 4. No sulfide pollution
5.优异分散性 5. Excellent dispersion
适用范围 Scope of application
用于PVC钙/锌系统及有机稳定剂，在PVC聚合物中用作酸吸收剂，并能够与抗氧剂体系及 光稳定剂体系一道发挥协同作用。 Used in PVC calcium/zinc system and organic stabilizer, used as acid absorbent in PVC polymer, and can play a synergistic effect with antioxidant system and light stabilizer system.
包装与贮存 Packaging and storage
本品为20KG/包，内塑外编织袋包装，存放在阴凉干燥处 This product is 20KG/bag, packed in a woven bag with plastic inside and stored in a cool and dry place