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硅橡胶用二氧化硅
2026/2/9
| 硅橡胶用二氧化硅 Silica For Silicone Rubber | ||||||||
| 牌号TYPE | ZC-775-1 | SAl-779-1 | SAl-800 | ZH-901 |
ZH-909 SAI-779 |
ZH-838 SAI-838 |
ZH-858 SAI-858 |
ZH-919 SAI-919 |
| 项目ITEM | ||||||||
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外观 Appearance |
细粉 Fine powder |
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比表面积(BET),m²/g Specific surface area(BET) |
145±15 | 165±15 | 165±15 | 140±15 | 140±15 | 165±15 | 160±15 | 200±15 |
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加热减量(105℃ 2h),% Heating loss |
4.0-8.0 | 4.0-8.0 | 4.0-8.0 | 4.0-8.0 | 4.0-8.0 | 4.0-8.0 | 4.0-8.0 | 4.0-8.0 |
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灼烧减量(1000℃ 2h),% Ignition loss |
≤7.0 | ≤7.0 | ≤7.0 | ≤7.0 | ≤7.0 | ≤7.0 | ≤7.0 | ≤7.0 |
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二氧化硅(灼烧后),% SiO₂ (After igniting loss) |
≥98.0 | ≥98.0 | ≥98.0 | ≥98.0 | ≥98.0 | ≥98.0 | ≥98.0 | ≥98.0 |
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pH值(5%悬浮液) pH(5%suspension) |
6.0-7.0 | 6.0-7.0 | 6.0-7.0 | 6.0-8.0 | 6.0-8.0 | 6.0-8.0 | 6.0-8.0 | 6.0-8.0 |
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DBP吸收值，cm³/g DBP absorption |
2.00-2.70 | 2.00-2.70 | 2.00-2.70 | 2.00-2.70 | 2.00-2.70 | 2.00-2.70 | 2.00-2.70 | 2.00-2.70 |
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硫酸盐，% Saltas Na₂SO₄ |
≤0.7 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 |
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总含铁量，mg/kg Total Fe |
≤400 | ≤150 | ≤200 | ≤300 | ≤150 | ≤150 | ≤150 | ≤150 |
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粒径：D50,μm Median size |
8-14 | 8-12 | 8-12 | 8-12 | 8-12 | 8-12 | 8-12 | 8-12 |
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电导率 Specific Conductance |
≤500 | ≤300 | ≤300 | ≤500 | ≤300 | ≤300 | ≤300 | ≤300 |
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堆积密度，g/L Bulk Density |
60~100 | 60~100 | 60~100 | 60~100 | 60~100 | 60~100 | 60~100 | 60~100 |
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应用特性 Use characteristic |
ZC-775-1 |
加工性能好、混炼时间快、易着色，应用于普通模压胶 Good processability, fast mixing time, easy coloring, suitable for general molded rubber parts |
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| SAI-779-1 |
补强性能好、拉伸发白恢 复性能好 Good reinforcing performance,no white matter when stretching |
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| SAI-800 |
补强性能好、高抗黄变 Good reinforcing properties,high resistance to yellowing |
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| ZH-901 |
加工性能好、混炼时间快，易着色，应用于普通磨压胶 Good processability mixing speed is fast |
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ZH-909 SAI-779 |
加工性好、耗硅油量低、电绝缘性能好，应用于模压胶、电绝缘硅橡胶。 Good processability, low silicone oil consumption, good electrical insulation properties, suitable for molded rubber parts and electrical insulating silicone rubber. |
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ZH-838 SAI-838 |
透明度高，补强性能好，耗硅油量低，应用领域广泛，适用于模压硅橡胶、挤出硅橡胶 High transparency, excellent reinforcing properties, low silicone oil consumption, with a wide range of applications, suitable for molded silicone rubber and extruded silicone rubber. |
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ZH-858 SAI-858 |
1.超低吸水性：从根源切断性能隐患；2.优异抗拉伸泛白性能：解决外观与结构双重痛点；3.物理性能全面提升：强化胶管核心指标；4.加工适配性更佳：降本增效更省心； 1、Ultra-low water absorption: Eliminates performance risks at the source. 2、Excellent anti-stretch whitening performance: Solves both appearance and structural issues. 3、Comprehensive improvement in physical properties: Enhances core indicators of rubber hoses. 4、Better processing compatibility: Enables cost reduction, increased efficiency, and greater peace of mind. |
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ZH-919 SAI-919 |
透明度高，补强性能好、分散性好、吸水率低，拉伸发白恢复性能好，可用于挤出硅橡胶、液体硅橡胶、玻璃胶。 High transparency, excellent reinforcing properties, good dispersibility, low water absorption, excellent recovery from stretching whitening, suitable for extruded silicone rubber, liquid silicone rubber, and sealant (glass adhesive). |
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