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Quartz glass is an acidic material that is inert to all acids except hydrofluoric acid and hot phosphoric acid. It offers excellent acid resistance with superior chemical stability compared to opaque quartz glass, and is non-hygroscopic and non-weathering.
Electrical Properties
Quartz glass provides high dielectric strength and low conductivity, maintaining excellent dielectric properties even at high temperatures, pressures, and frequencies. With minimal dielectric loss across applied frequency bands, it serves as an outstanding high-temperature dielectric insulation material.
Optical Performance
Quartz glass features unique optical properties, transmitting both far-ultraviolet spectrum (making it ideal for UV-transmitting applications) and visible light with near-infrared spectrum. It offers high temperature resistance, minimal thermal expansion, excellent chemical thermal stability, and optical quality comparable to standard optical glass with minimal bubbles, streaks, uniformity issues, and birefringence.
Thermal Properties
The thermal expansion coefficient of quartz glass is exceptionally small—only 1/12 to 1/20 that of ordinary glass. Standard testing involves heating specimens to 1200°C then rapidly quenching in cold water, withstanding this cycle more than three times without cracking.
Mechanical Properties
Quartz glass offers better mechanical properties than conventional glass and ceramics, though it maintains some brittleness. While theoretical strength calculations reach approximately 24×1.3 MPa, actual measured strength values are typically several tens of times lower.
Airtight Performance
The relaxed structure of quartz allows certain gas ions to diffuse through the network even at high temperatures, with sodium ion diffusion occurring particularly rapidly. This characteristic is especially important for specific user applications.
Production Process
Product Applications
Packaging & Delivery
Company Profile
Lianyungang Shengfan Quartz Product Factory specializes in research, development, and manufacturing of quartz plates, quartz tubes, quartz flanges, quartz rings, cuvettes, and quartz instruments. Located in China's Crystal Capital—Donghai City, Jiangsu Province—our facility is 70 km from Lianyungang port with convenient transportation access.
Covering 1,000 square meters with over 30 employees, we achieve annual sales exceeding USD 5.2 million. Guided by our philosophy of Technology Orientation, Quality First, Integrity and Responsibility, and Sustainable Operation, we are committed to establishing an international enterprise with standardized, sustainable operational capabilities.
Our Services & Strengths
We maintain business integrity with extensive experience, competitive pricing, quality assurance, and excellent after-sales service. We sincerely welcome customers to discuss their requirements.
Frequently Asked Questions
Q1. Can I place a sample order?
A: Yes, we welcome sample orders for quality testing and verification.
Q2. What is the delivery time?
A: Delivery within 15 days after receiving deposit.
Q3. Do you have minimum order quantity requirements?
A: Low MOQ available—1 piece for sample checking is acceptable.
Q4. How do I proceed with an order?
A: Process: 1) Share your requirements/application; 2) We provide quotation; 3) Customer confirms samples and places deposit; 4) We arrange production.
Q5. How do you ship goods and what are delivery times?
A: Small orders: DHL, UPS, FedEx, or TNT (3-5 days delivery). Airline and sea shipping also available for larger orders.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Lianyungang Shengfan Quartz Products Co.,Ltd is a professional enterprise of quartz products located in Donghai, Jiangsu, China.Which integrates research,development,production and sales service. The company founded in 2016, has 9 years of professional production experience. Since year of 2022, th... Lianyungang Shengfan Quartz Products Co.,Ltd is a professional enterprise of quartz products located in Donghai, Jiangsu, China.Which integrates research,development,production and sales service. The company founded in 2016, has 9 years of professional production experience. Since year of 2022, th...
