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硅橡胶用二氧化硅 Silica For Silicone Rubber
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牌号TYPE
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ZC-775-1
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SAl-779-1
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SAl-800
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ZH-901
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ZH-909
SAI-779
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ZH-838
SAI-838
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ZH-858
SAI-858
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ZH-919
SAI-919
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项目ITEM
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外观
Appearance
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细粉
Fine powder
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比表面积(BET),m²/g
Specific surface area(BET)
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145±15
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165±15
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165±15
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140±15
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140±15
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165±15
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160±15
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200±15
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加热减量(105℃ 2h),%
Heating loss
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4.0-8.0
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4.0-8.0
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4.0-8.0
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4.0-8.0
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4.0-8.0
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4.0-8.0
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4.0-8.0
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4.0-8.0
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灼烧减量(1000℃ 2h),%
Ignition loss
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≤7.0
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≤7.0
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≤7.0
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≤7.0
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≤7.0
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≤7.0
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≤7.0
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≤7.0
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二氧化硅(灼烧后),%
SiO₂ (After igniting loss)
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≥98.0
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≥98.0
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≥98.0
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≥98.0
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≥98.0
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≥98.0
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≥98.0
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≥98.0
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pH值(5%悬浮液)
pH(5%suspension)
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6.0-7.0
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6.0-7.0
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6.0-7.0
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6.0-8.0
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6.0-8.0
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6.0-8.0
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6.0-8.0
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6.0-8.0
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DBP吸收值，cm³/g
DBP absorption
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2.00-2.70
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2.00-2.70
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2.00-2.70
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2.00-2.70
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2.00-2.70
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2.00-2.70
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2.00-2.70
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2.00-2.70
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硫酸盐，%
Saltas Na₂SO₄
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≤0.7
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≤0.5
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≤0.5
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≤0.5
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≤0.5
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≤0.5
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≤0.5
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≤0.5
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总含铁量，mg/kg
Total Fe
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≤400
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≤150
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≤200
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≤300
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≤150
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≤150
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≤150
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≤150
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粒径：D50,μm
Median size
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8-14
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8-12
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8-12
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8-12
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8-12
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8-12
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8-12
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8-12
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电导率
Specific Conductance
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≤500
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≤300
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≤300
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≤500
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≤300
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≤300
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≤300
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≤300
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堆积密度，g/L
Bulk Density
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60~100
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60~100
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60~100
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60~100
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60~100
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60~100
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60~100
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60~100
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应用特性
Use characteristic
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ZC-775-1
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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
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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
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补强性能好、高抗黄变
Good reinforcing properties,high resistance to yellowing
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ZH-901
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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
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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
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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
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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
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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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