Low Iron Quartz Silica Sand for High-End Optical Glass
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Product Highlights
- High Purity Silica: SiO2 content up to 99.5% with low Fe2O3 impurities for optical glass applications.
- Customizable Grain Size: Mesh sizes range from 4-8 to 200-325, tailored to specific customer requirements.
- Factory Direct Sales: Direct manufacturing from Lianyungang Hengpeng ensures stable quality and competitive pricing.
- Wide Industrial Application: Suitable for water treatment, casting, glass, ceramics, coatings, and chemical engineering.
- Advanced Processing Tech: Produced via crushing, screening, water washing, magnetic separation, and classification.
- Professional Technical Support: Expert guidance and technician connection provided for product usage and equipment needs.
- Strict Quality Control: Dedicated QC team ensures thorough inspection of every batch before shipment.
- Established Manufacturer: Backed by 15 senior engineers and 20 technicians with nearly 30 intellectual property rights.
Product Attributes
- Customization
- Available
- CAS No.
- 7631-86-9
- Formula
- Sio2
- Model NO.
- 001
- EINECS
- 231-545-4
- Classification
- Silicon Dioxide
- Grade Standard
- Industrial Grade
- Kind
- Acidic Oxide
- Quality
- First Class
- Color
- White
- Density
- Multiple
- Melting Point
- 1713℃
- Grain Size
- Customizable
- Moisture Content
- ≤0.5%
- Transport Package
- Wooden Crates or Containers
- Trademark
- Hengpeng
- Origin
- China
- HS Code
- 2506100000
- Production Capacity
- 50000/Month
- Package Size
- 105.00cm * 105.00cm * 110.00cm
- Package Gross Weight
- 1500.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Low Iron Quartz Silica Sand for High-End Optical Glass
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Product Description
Mesh size | Particle Size | Main Applications | SiO2Content | Fe2O3 Content | Mohs Hardness | Bulk Density |
4-8 Mesh | 2.36-4.75mm | Water treatment filter, floor filling, artificial turf filling | ≥98.5% | ≤0.1% | 7 | 1.5-1.7 g/cm³ |
8-16 Mesh | 1.18-2.36mm | Water treatment, sandblasting, casting, floor construction | ≥98.5% | ≤0.08% | ||
16-30 Mesh | 0.6-1.18mm | Sandblasting, casting, refractory materials, water filtration | ≥99.0% | ≤0.05% | ||
30-50 Mesh | 0.3-0.6mm | Glass raw material, ceramics, casting, fireproof materials | ≥99.0% | ≤0.05% | ||
50-100 Mesh | 0.15-0.3mm | Glass, ceramics, coatings, artificial stone | ≥99.0% | ≤0.03% | ||
100-200 Mesh | 0.075-0.15mm | Fine ceramics, coatings, rubber, plastic fillers | ≥99.5% | ≤0.02% | ||
200-325 Mesh | 0.045-0.075mm | High-purity quartz, precision ceramics, electronic fillers | ≥99.5% | ≤0.01% |
Customization Service: We accept customization of mesh size, purity and packaging according to your specific needs.







Yes! We are manufacturer.
If this is your first time using the product, we will provide guidance, and we recommend starting with samples for trial testing.
If you require technical support, we can assist you in connecting with qualified technicians.
If you need relevant machinery or equipment, we can provide you the best solutions.
Q3: How do you control your quality?
We have a dedicated quality control team and testing department to ensure that every batch of our products is thoroughly inspected before shipment.

About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI2541791". Items marked "" are certified.
Company Profile
Lianyungang Hengpeng Machinery Equipment Co., Ltd. is a high-tech enterprise specializing in the R&D and manufacturing of production lines for quartz sand equipment such as high-purity quartz sand, pipe sand, plate sand, and glass sand. As one of the few enterprises at home and abroad possessing comprehensive industrial chain technologies for quartz sand, it integrates equipment R&D, process design, equipment manufacturing, production line automation design, production line installation and commissioning, and full-range after-sales service. With extremely rich practical experience in the quartz sand industrial chain, the company is capable of providing professional turnkey services for quartz sand production lines tailored to customer needs.
The company has established a dedicated R&D center, staffed by a technical team consisting of 15 senior engineers and 20 professional technicians. It has obtained nearly 30 independent intellectual property rights, including 5 invention patents and 23 utility model patents, covering key technical fields such as quartz sand crushing, classification, magnetic separation, purification, and drying. Equipped with a certificated quality management system and comprehensive after-sales service system, Hengpeng Machinery Equipment has achieved an 70% market share in Chinese relevant equipment industry.
Located in Donghai County, Lianyungang City, Jiangsu Province, known as " Crystal Capital of China", the company covers a total area of over 31, 300 m2.
The company was established in 2012 as "Donghai County Shihu Township Chengpeng MachineryFactory" focusing on the research and development and production of quartz sand crushing equipment. In 2018 it is renamed "Lianyungang Hengpeng Machinery Equipment Co, Ltd. " in 2018 and introduced the ISO9001 quality management system, this marked the enterprise's transformation from a single equipment supplier to a turnkey production line solution provider, laying a solid foundation for subsequent industrial expansion. By 2024, the company's annual sales revenue had reached 100 million RMB, with a compound annual growth rate (CAGR) as high as 42%.
In the future, Hengpeng Machinery will continue to adhere to the "innovation-driven" development strategy, deepen its focus on the core business of quartz sand processing equipment, actively expand into emerging fields such as high-purity silicon material processing, and strive to build a distinctive industrial chain integrating "equipment R&D, process design, and technical services", covering the entire process of "raw material processing, production and manufacturing, and finished product purification"
About Our Factory & Business Background
- Address
- No. 5, Wenquan Road, Donghai County, Lianyungang, Jiangsu, China
Our Production Capability & Technical Expertise
- Main Products
- High Purity Quartz Sand Production Line, Sand Making Plant, Sand Making Machine, Electromagnetic Iron Remover, High Temperature Purification Furnace, Crushing Machine, Ball Mill, Rotary Dryer, Flotation Machine, Reaction Kettle
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
Our Industry Experience & Global Business Record
-
Number of Foreign Trading Staff
- 4
-
Overseas Agent/Branch
- No
FAQ
- Are you a manufacturer or trader?
- We are a manufacturer. We were originally silica sand production line designers and manufacturers, and we invested in and set up our own plant to manufacture silica sand.
- How should I know how to use your product?
- If this is your first time using the product, we will provide guidance, and we recommend starting with samples for trial testing. If you require technical support, we can assist you in connecting with qualified technicians. If you need relevant machinery or equipment, we can provide you the best solutions.
- How do you control your quality?
- We have a dedicated quality control team and testing department to ensure that every batch of our products is thoroughly inspected before shipment.
- Can the product be customized?
- Yes, we accept customization of mesh size, purity, and packaging according to your specific needs.
- Where is your factory located?
- Our factory is located in Donghai County, Lianyungang City, Jiangsu Province, China, known as the 'Crystal Capital of China'.
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Product Groups
- High Purity Silica (Quartz) Sand Production Line
- Industry Quartz Sand Production Line
- Silica (Quartz) Sand
- Sand Drying Furnace
- Quartz Lumps Calcining kiln
- Double Cone Reactor Sand Acid Leaching
- Magnetic Separator
- Flotation Machine
- Sand Making Machine (VSI Crusher)
- Vibration Screen Equipment
- Rock Crusher
- Ball Mill
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