National High-tech Enterprise · Guangdong Hico New Materials
High-Purity Ultrafine Filler
Silica Powder
High-purity quartz raw material, high whiteness, high purity, ultra-fine and uniform particle size. 5 series with 17 models, spherical powder sphericity ≥90%. Covers electronic potting adhesives, thermal conductive adhesives, silicone rubber, coatings, and adhesives across all fields.
5
Product Series
17
Selected Models
≥98.9
Max Whiteness
Free
Samples Available
High Whiteness & Purity
High Insulation
Sphericity ≥90%
Free Samples
KEY INDICATORS
Product Key Indicators
Key performance parameters of silica powder
≥98.9
Max Whiteness
Cristobalite HY-6000
17
Product Models
Angular 7 + Cristobalite 3 + Spherical 7
≥90%
Spherical Powder Sphericity
All spherical silica powder
≤0.5%
Moisture
All angular silica powder
PRODUCT ADVANTAGES
Four Core Advantages
High whiteness & purity · Ultra-fine uniform · High insulation · Excellent flowability
01
Good Filling Property & Fullness
Silica powder has excellent filling property, good fullness and good color. It enables high filling with low viscosity in resin systems, effectively reducing product costs while maintaining excellent processing performance and surface quality.
02
High Whiteness · Low Moisture · Good Insulation
Extremely high whiteness (max ≥98.9), very low water content (≤0.5%), and good insulation, meeting the stringent requirements of mid-to-high-end electronic potting adhesives and thermal conductive adhesives for purity and insulation performance.
03
Enhanced Mechanical Properties
Improves the bond strength, yield value, and shear dilution index of products. In adhesive and silicone rubber systems, it significantly enhances mechanical properties, giving materials higher structural strength and durability.
04
Excellent Flowability & Thixotropy
Has good fluidity, levelability and thixotropy. Spherical silica powder has sphericity ≥90% with better flowability, effectively improving the application performance and degassing effect of the system, enhancing production efficiency.
SILICA POWDER ADVANTAGES
Silica Powder Core Advantages
High-purity quartz raw material provides excellent filling, insulation and flow performance
🔍 Silica Powder Characteristics
Silica powder is made from high-purity quartz through crushing, grinding, and classification processes. It has high whiteness, high purity, ultra-fine particle size, uniform distribution, high insulation, high thermal conductivity, high weather resistance, and acid-alkali resistance. Compared with similar products, it has a greater price advantage and is widely used in mid-to-high-end electronic potting adhesives, electronic thermal conductive adhesives, silicone rubber, adhesives, and other fields.
Good Filling
Good fullness, good color, high filling with low viscosity, reduces product cost
High Whiteness & Low Moisture
Max whiteness 98.9, moisture ≤0.5%, excellent insulation
Enhanced Mechanics
Improves bond strength, yield value, shear dilution index
Excellent Flowability
Spherical powder sphericity ≥90%, excellent flowability/levelability/thixotropy
Great Price Advantage
Higher cost-performance than similar products, flexible model selection reduces cost
PRODUCT SERIES
Five Series Full Coverage
Angular silica powder + Cristobalite powder + Spherical silica powder, covering electronics/coatings/adhesives/precision casting
📖 Silica Powder Process Principle
Silica powder is made from high-purity quartz through crushing, grinding, and classification processes. Hico silica powder covers crystalline, fused, soft composite, cristobalite, and spherical 5 series, featuring high whiteness, high purity, ultra-fine, and uniform particle size, with a greater price advantage compared to similar products.
SERIES 01
Angular Series
3 processes · 7 models
Angular silica powder covers 3 process routes: crystalline, fused, and soft composite. 7 models cover different particle sizes (D50: 2.64~16.55µm) and oil absorption values, with whiteness 85~95, suitable for electronic potting adhesives, silicone rubber, copper clad laminates, and other conventional applications.
HY-G0
Crystalline · D50: 16.55µm
HY-G5
Crystalline · D50: 11.38µm
HY-G7
Crystalline · D50: 8.54µm
HY-G10
Crystalline · D50: 4.55µm
HY-G12
Crystalline · D50: 2.64µm
HY-GF
Fused · D50: 7.14µm
HY-SS05
Soft composite · D50: 4-5µm
Crystalline/Fused/Soft composite
Whiteness 85~95
D50: 2.64~16.55µm
High cost-performance
SERIES 02
Functional Series
2 functional types · 10 models
Functional silica powder covers 2 major functional series: cristobalite powder and spherical silica powder. Cristobalite powder has extremely high whiteness (≥98.4), suitable for precision casting and polishing; spherical silica powder has sphericity ≥90%, specifically for epoxy molding compounds, copper clad laminates, and other high-end electronic applications.
HY-3000
Cristobalite · D50: 16µm
HY-4000
Cristobalite · D50: 6µm
HY-6000
Cristobalite · D50: 3.7µm
HY-SSP002
Spherical · D50: 1.5-2.5µm
HY-SSP005
Spherical · D50: 3-6µm
HY-SSP007~0400
Spherical · D50: 5-44µm
Cristobalite whiteness ≥98.4
Sphericity ≥90%
Electrical conductivity ≤20µS/cm
High-end electronic packaging
Special Note: Spherical silica powder has sphericity ≥90% and electrical conductivity ≤20µS/cm, specifically for epoxy molding compounds, copper clad laminate fillers, electronic adhesives, and other high-end fields. Cristobalite powder whiteness reaches up to 98.9, suitable for precision manufacturing, jewelry casting, dental materials, etc. The specific product values are subject to the actual factory inspection report.
TECHNICAL PARAMETERS
Product Technical Parameters
Angular 7 + Cristobalite 3 + Spherical 7, covering all application scenarios
📊 Angular Silica Powder (Crystalline / Fused / Soft Composite) & Cristobalite Powder
| Product Name | Model No. | Whiteness | D50 (µm) |
D90 (µm) |
Oil Absorption Value (g/100g) |
pH | Moisture (%) |
Loss on Ignition (%) |
|---|---|---|---|---|---|---|---|---|
| Crystalline silica powder | HY-G0 | 85±2 | 16.55 | 42.88 | 15-30 | 7.0-9.0 | ≤0.50 | ≤0.5 |
| Crystalline silica powder | HY-G5 | 89±2 | 11.38 | 27.84 | 20-35 | 7.0-9.0 | ≤0.50 | ≤0.5 |
| Crystalline silica powder | HY-G7 | 90±2 | 8.54 | 16.85 | 20-35 | 7.0-9.0 | ≤0.50 | ≤0.5 |
| Crystalline silica powder | HY-G10 | 92±2 | 4.55 | 10.15 | 20-35 | 7.0-9.0 | ≤0.50 | ≤0.5 |
| Crystalline silica powder | HY-G12 | 92±2 | 2.64 | 5.22 | 30-40 | 7.0-9.0 | ≤0.50 | ≤0.5 |
| Fused silica powder | HY-GF | 95±2 | 7.14 | 16.84 | 30-38 | 7.0-9.0 | ≤0.50 | ≤0.50 |
| Soft composite silica powder | HY-SS05 | ≥90 | 4.0-5.0 | 13.0-15.0 | — | — | — | — |
| Cristobalite powder | HY-3000 | 98.4 | 16 | 38 | 25 | 9 | 0.2 | 0.1 |
| Cristobalite powder | HY-4000 | 98.8 | 6 | 14 | 28 | 9 | 0.2 | 0.1 |
| Cristobalite powder | HY-6000 | 98.9 | 3.7 | 8.4 | 30 | 9 | 0.3 | 0.2 |
📋 HY-G12 ultra-fine particle size (D50: 2.64µm), oil absorption value 30-40, suitable for applications requiring fine particle size; HY-GF fused type whiteness 95, low thermal expansion coefficient; HY-6000 cristobalite whiteness up to 98.9, suitable for dental materials and precision polishing. The specific product values are subject to the actual factory inspection report.
📊 Spherical Silica Powder (Epoxy Molding Compound / Copper Clad Laminate / Electronic Adhesive)
| Model No. | Whiteness | D50 (µm) |
Electrical Conductivity (µS/cm) |
pH | 200-mesh Water Sieve Residue (ppm) |
Sphericity (%) |
|---|---|---|---|---|---|---|
| HY-SSP002 | ≥90 | 1.50-2.50 | ≤20 | 4.80-7.20 | ≤200 | ≥90 |
| HY-SSP005 | ≥90 | 3.00-6.00 | ≤5 | 4.80-7.20 | ≤100 | ≥90 |
| HY-SSP007 | ≥90 | 5.00-8.00 | ≤5 | 4.80-7.20 | ≤500 | ≥90 |
| HY-SSP0100 | ≥90 | 9.00-15.00 | ≤5 | 4.80-7.20 | ≤500 | ≥90 |
| HY-SSP0200 | ≥90 | 18.00-25.00 | ≤5 | 4.80-7.20 | ≤500 | ≥90 |
| HY-SSP0300 | ≥90 | 28.00-35.00 | ≤5 | 4.80-7.20 | ≤100 | ≥90 |
| HY-SSP0400 | ≥90 | 36.00-44.00 | ≤5 | 4.80-7.20 | ≤500 | ≥90 |
📋 Spherical silica powder 7 models cover D50: 1.5~44µm full particle size range, sphericity all ≥90%. HY-SSP002 ultra-fine particle size (D50: 1.5-2.5µm), electrical conductivity ≤20µS/cm, suitable for epoxy molding compounds; HY-SSP005 and HY-SSP0300 water sieve residue only ≤100ppm, highest purity. The specific product values are subject to the actual factory inspection report.
PRODUCT INTRODUCTION
Product Introduction
Silica Powder · High-purity quartz raw material · 5 series full specifications
Silica powder has the properties of high whiteness, high purity, ultra-fine, uniform particle size, high insulation, high thermal conductivity, high weather resistance, acid and alkali resistance. Compared with other similar products, it has a greater price advantage, and is widely used in mid-to-high-end electronic potting adhesives, electronic thermal conductive adhesives, silicone rubber, adhesives, printing inks, coatings, plastics, and precision casting fields.
Products cover crystalline silica powder, fused silica powder, soft composite silica powder, cristobalite powder, and spherical silica powder 5 series with 17 models. Crystalline type offers high cost-performance, fused type has high whiteness and low expansion, soft composite type has good flexibility, cristobalite has extremely high whiteness for precision casting, and spherical powder with sphericity ≥90% is specifically for high-end electronic packaging.
Hico silica powder has excellent filling property, fullness, flowability, levelability, and thixotropy, which can improve the bond strength, yield value, and shear dilution index of products. It is the preferred solution for mid-to-high-end functional fillers.
Good Filling Property
Good fullness, good color, high filling with low viscosity
High Whiteness & Low Moisture
Max whiteness 98.9, moisture ≤0.5%, good insulation
Enhanced Mechanical Properties
Improves bond strength, yield value, shear dilution index
Excellent Flowability
Spherical powder sphericity ≥90%, excellent flowability/levelability/thixotropy
5 Series Full Coverage
Crystalline/Fused/Soft composite/Cristobalite/Spherical, flexible selection
Great Price Advantage
Higher cost-performance than similar products, reduces product cost
APPLICATION AREAS
Five Application Areas
Covering electronic potting adhesives, thermal conductive adhesives, silicone rubber, adhesives, coatings and other core applications
Area 01
Modified Plastics
Silica powder in modified plastics can improve dimensional stability, flexural modulus, and heat resistance of products. Its high whiteness maintains material color, and ultra-fine particle size ensures uniform dispersion. Widely used in engineering plastics, home appliance housings, automotive parts, and other fields.
Area 02
Silicone Rubber
Silica powder is an ideal filler for silicone rubber, significantly improving mechanical strength, heat resistance, and electrical insulation. Soft composite silica powder has good flexibility without damaging the rubber, and spherical powder has excellent flowability for easy degassing. Suitable for electronic sealing and insulation products.
Area 03
Coatings
Silica powder in coatings can improve coating hardness, wear resistance, and weather resistance. Its high whiteness gives coatings excellent hiding power. Cristobalite powder is suitable for high-temperature coatings. Widely used in anti-corrosion coatings, architectural coatings, and other functional coatings.
Area 04
Printing Inks
Silica powder in printing inks can improve dispersibility and printability. Ultra-fine particle size gives inks excellent fineness and gloss. Good flowability ensures smooth printing processes. Suitable for various printing inks and specialty ink formulations.
Area 05
Adhesives
Silica powder in adhesive systems can improve bond strength, yield value, and shear force. Spherical powder has good flowability for easy application. Suitable for mid-to-high-end electronic potting adhesives, electronic thermal conductive adhesives, structural adhesives, and other functional adhesives.
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