
价 格Negotiable
最小起订0 Piece库存0 Piece
Specialty Silicon Micro Powder fo
Negotiable
Transparent powder
Negotiable
Silicone rubber blending compound
Negotiable
Silica Micro Powder
¥1000.00/Piece
Ceramic-Specific Silicon Micro Po
Negotiable
High-purity white silicon powder
Negotiable
Copper-clad laminate, insulating
Negotiable
Specialty Silicon Micro Powder fo
Negotiable
Special silicon micro-powder for
Negotiable
Ultra-fine Silicon Dioxide Powder
Negotiable
Category: Silicon Micro Powder
Keywords: Copper-clad Laminate, High Insulation, High Thermal Conductivity, High Thermal Stability, Acid and Alkali Resistance, Wear Resistance
Description: Our company utilizes natural quartz and other inorganic non-metallic minerals as raw materials to provide high-quality composite soft fillers and crystalline silicon micro粉末 for copper-clad laminates. We optimize product structures according to customer needs, offering reliable and durable products. Silicon micro粉末 for copper-clad laminate applications boasts significant physical properties: three highs – high insulation, high thermal conductivity, and high thermal stability; three lows – low coefficient of thermal expansion, low dielectric constant, and low raw material cost; and two resistances – resistance to acidity and alkalinity, and wear resistance. With the improvement of surface treatment conditions of silicon dioxide, its compatibility with the resin system has been enhanced. Therefore, as a filler in copper-clad laminates, silicon dioxide not only reduces costs but also improves certain properties of the copper-clad laminates (such as coefficient of thermal expansion, flexural strength, and dimensional stability). In summary, from mechanical and electrical properties to cost-effectiveness, our products offer superior performance.
Basic characteristics of soft composite silicon micro powder:
| Physical and Chemical Properties | Unit | Typical Value |
| Appearance | / | White Powder |
| Density | kg/m3 | 2.59×103 |
| Mohs Hardness | / | 5 |
| Dielectric Constant | / | 5.0(1MHz) |
| Medium Loss | / | 0.003(1MHz) |
| Linear Coefficient of Thermal Expansion | 1/K | 3.8×10-6 |
Soft composite silicon micropowders can be differentiated by specifications and customized according to customer requirements based on the following characteristics:
| Product Features | Relevant indicators | Description |
| Chemical Composition | SiO2 content | Features a stable chemical composition to ensure consistent performance. |
| Ion impurities | Na+, Cl- | As low as 5ppm and below |
| Particle size distribution | D50 | D50 = 0.5-10 µm available |
| Particle size distribution | Adjustments can be made based on requirements, including multi-peak distributions and narrow distributions, from typical distribution patterns. | |
| Surface Characteristics | Hydrophobicity, oil absorbency values | Select different functional treatment agents as per customer's requirements. |

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