1. 产品简介 / Product Introduction

G60涂料用硅微粉是一种无毒、无味、无污染的无机非金属材料，由高纯度结晶石英（SiO₂）经破碎、研磨、浮选、酸洗提纯等工艺加工而成。其具有优异的物理和化学特性，广泛应用于涂料、油漆、化工、电子、集成电路、塑料、橡胶等领域，尤其在涂料行业中作为功能性填料，显著提升涂膜性能。

Silica powder for paints is a non-toxic, odorless, and pollution-free inorganic non-metallic material, processed from high-purity natural quartz (SiO₂) or fused quartz through crushing, grinding, flotation, acid washing, and purification. It possesses excellent physical and chemical properties and is widely used in paints, coatings, chemicals, electronics, integrated circuits, plastics, rubber, and other fields. Particularly in the coatings industry, it serves as a functional filler to significantly enhance coating film performance.

2. 物化特性 / Physical and Chemical Properties

化学成分 / Chemical Composition

SiO₂   | ≥ 99%

外观 / Appearance |  白色或灰白色粉末 / White or off-white powder

粒径 (d50) / Particle Size (d50) |   1.6–10 µm

白度 / Whiteness |   70–95

莫氏硬度 / Mohs Hardness |   7

比重 / Specific Gravity |   2.65 g/cm³

吸油量 / Oil Absorption|  15–30 g/100g

比表面积 / Specific Surface Area  |  15,000–20,000 m²/kg

干燥损失 (105℃/2h) / Loss on Drying (105℃/2h)  |  ≤ 2.0%

Fe₂O₃含量 / Fe₂O₃ Content   |   ≤ 0.03%

Al₂O₃含量 / Al₂O₃ Content   |  ≤ 0.12%

pH值 / pH Value  |  6.5–7.5 (中性 / neutral)

堆积密度 / Bulk Density  |  0.3–0.65 g/cm³

3. 主要特性 / Key Features

高纯度与稳定性 / High Purity and Stability: 化学性质稳定，不含有机污染物，耐酸碱腐蚀，适合多种涂料体系。 / chemically stable, free of organic pollutants, resistant to acid and alkali corrosion, suitable for various coating systems.

优异的光学性能 / Excellent Optical Properties: 折射率接近树脂（1.46–1.55），确保涂膜透明性，特别适用于水性木器漆和印花胶浆。 / Refractive index close to resin (1.46–1.55), ensuring coating transparency, especially suitable for water-based wood coatings and printing pastes.

低吸油量 / Low Oil Absorption: 降低树脂用量，减少生产成本，同时提高涂料体积浓度。 / Reduces resin usage, lowers production costs, and increases paint volume concentration.

良好的分散性与悬浮性 / Good Dispersibility and Suspension: 均匀分散于涂层中，防止沉降，改善流变性，确保施工流平性。 / Evenly disperses in coatings, prevents settling, improves rheology, and ensures leveling during application.

高硬度与耐磨性 / High Hardness and Abrasion Resistance: 莫氏硬度7，显著提升涂膜的耐磨性和抗刮性。 / Mohs hardness 7, significantly enhances coating film's abrasion and scratch resistance.

耐候性与耐化学性 / Weather and Chemical Resistance: 抗紫外线、抗氧化，防止涂层变色、粉化或开裂，适合外墙涂料和防腐涂料。 / Resistant to UV and oxidation, prevents discoloration, chalking, or cracking of coatings, suitable for exterior wall and anti-corrosion coatings.

绝缘性与耐高温性 / Insulation and High-Temperature Resistance: 适用于高温涂料和电子行业相关涂层。 / Suitable for high-temperature coatings and electronics-related coatings.

4. 应用领域 / Application Areas

木器涂料 / Wood Coatings: 提高漆膜硬度、透明性和抗刮性，适用于家具漆和装饰涂料。 / Improves film hardness, transparency, and scratch resistance, suitable for furniture paints and decorative coatings.

工业涂料 / Industrial Coatings: 增强耐腐蚀性和耐磨性，适用于机械设备和金属表面涂装。 / Enhances corrosion and wear resistance, suitable for machinery equipment and metal surface coatings.

建筑涂料 / Architectural Coatings: 提升外墙涂料的耐候性和抗紫外线性能。 / Improves weather resistance and UV protection for exterior wall coatings.

水性涂料 / Water-Based Coatings: 改善流变性和储存稳定性，减少沉降。 / Improves rheology and storage stability, reduces settling.

环氧地坪涂料 / Epoxy Floor Coatings: 提高涂层硬度和耐久性。 / Increases coating hardness and durability.

粉末涂料 / Powder Coatings: 替代部分钛白粉，降低成本，同时提高涂膜硬度（可达5H）。 / Replaces part of titanium dioxide, reduces costs, and increases film hardness (up to 5H).

5. 使用建议 / Usage Recommendations

建议添加量为涂料配方的5–20%（重量比），具体根据涂料类型和性能要求调整。 / Recommended addition rate is 5–20% (by weight) of the coating formula, adjusted based on coating type and performance requirements.

粒径选择 / Particle Size Selection:

透明涂料：推荐粒径1.5–3 µm，确保高透明度。 / Transparent coatings: Recommend 1.5–3 µm for high transparency.

通用涂料：粒径3–10 µm，平衡成本与性能。 / General coatings: 3–10 µm to balance cost and performance.

表面改性 / Surface Modification: 可根据需要选择表面改性硅微粉（如疏水处理），以提高与树脂的相容性和分散性。 / Select surface-modified silica powder (e.g., hydrophobic treatment) as needed to improve compatibility with resin and dispersibility.

6. 包装与储存 / Packaging and Storage

包装 / Packaging: 净重25kg/包，或吨袋包装。 / Net weight 25kg/bag, using moisture-proof composite bags or ton bags.

储存条件 / Storage Conditions: 存放于干燥、通风的环境中，避免受潮和污染。开袋后未使用完的硅微粉应密封保存。 / Store in a dry, ventilated environment to avoid moisture and contamination. Seal unused silica powder after opening.

注意事项 / Precautions:

硅微粉密度较高，稀释后易沉淀，建议在涂料配方中加入适量防沉剂。 / Silica powder has high density and tends to settle after dilution; recommend adding appropriate anti-settling agents to the coating formula.

7. 安全与操作注意事项 / Safety and Handling Precautions

健康安全 / Health and Safety: 硅微粉为无毒无机材料，但长期吸入可能引起呼吸道刺激。操作时建议佩戴防尘口罩和护目镜。 / Silica powder is a non-toxic inorganic material, but long-term inhalation may cause respiratory irritation. Wear dust masks and goggles during operation.

皮肤接触 / Skin Contact: 长时间接触可能引起轻微刺激，操作后用清水彻底清洗。 / Prolonged contact may cause mild irritation; wash thoroughly with water after operation.

环境影响 / Environmental Impact: 无毒、无污染，符合环保要求，废弃物按当地法规处理。 / Non-toxic, non-polluting, complies with environmental requirements; dispose of waste according to local regulations.

采用标准:  Q/Z2016-002A    CAS编号 14808-60-7

以上资料指标仅供有关技术人员参考，用户在使用前请进行质量验证，并依据自身配方和使用条件进行调整。如有疑问，请随时咨询我司。