Semiconductor High-Purity Stick
Engineered with total metal impurities ≤20 ppm (Fe, Cu, Ni, Na, K, Li). Ideal for wafer handling pushers, thermocouple protection rods, boat framework welding, and LPCVD carrier assemblies.
Inquire Specs Global Procurement Guide 2026
Quartz Stick Sourcing & High-Purity Rod Engineering
Direct factory supply from Donghai, China: Ø1.5 mm to Ø80 mm solid fused quartz sticks with ≤20 ppm metallic purity, 1,100°C thermal endurance, and custom CNC optical finishing.
Precision Optical & Thermal
Custom Quartz Sticks to Exact Drawings
Centerless ground, fire-polished, or optically surfaced fused quartz sticks engineered for semiconductor wafer carriers, laser optics, and chemical reactors.
E-E-A-T Certified Quality
Industrialization & Supply Integrity
Backed by provincial R&D achievements and strict trace-metal control (SiO2 ≥ 99.99%) for semiconductor, PV, and UV sterilization technologies.
Ø1.5–80mm
Solid quartz stick continuous drawing diameter
≤20ppm
Total metal impurities in raw quartz material
≤2h
Average engineering RFQ response turnaround
50%
Global buyer reorder rate on verified transactions
Engineered Grade Selection
Quartz Stick Product Recommendations
When sourcing an industrial quartz stick, selecting the precise physical, chemical, and optical grade is paramount to avoiding process contamination, thermal devitrification, or transmission loss. Explore our specialized fused quartz stick variants.
Optical Grade Light Guide Stick
Bubble-free Class 0/A optical fused silica stick featuring ultra-high transmittance from 200 nm deep UV through 2,500 nm near-infrared. Manufactured with optical end polishing (Ra ≤ 0.2 μm) for laser collimators and sensors.
Inquire SpecsThermal & Furnace Structural Stick
Superior thermal-shock resistance with continuous thermal endurance at 1,100°C (short term to 1,450°C). Utilized widely as structural spacers, furnace track rails, muffle fixtures, and high-temp glassblowing stock.
Inquire Specs
Laboratory Stirring & Reagent Stick
Completely acid-inert (except hydrofluoric acid) solid quartz stirring rods and reagent sticks. Certified non-leaching for trace analytical chemistry, pharmaceutical synthesis, and electrochemistry cells.
Inquire Specs
Centerless Ground Quartz Stick
Solid rods processed via tight-tolerance CNC centerless cylindrical grinding. Outer diameter dimensional precision held to ±0.01 mm with custom lengths, chamfers, metric threading, and slotting.
Inquire Specs
Custom Doped & Opaque Quartz Stick
Custom formulated titanium-doped ozone-free sticks, UV-transmitting quartz, and porous/opaque fused silica rods customized for UV disinfection lamps, catalytic heaters, and radiant heat baffles.
Inquire Specs Strategic Sourcing Analysis
Future Procurement & Technology Trends in Quartz Sticks
How evolving semiconductor nodes, advanced photovoltaics, photonics, and supply chain digitalization are reshaping how global OEMs purchase quartz sticks.
Trend 1: Sub-PPM Chemical Purity
Semiconductor wafer processing at 3 nm and beyond demands unprecedented metal purity in quartz fixtures to eliminate ionic migration.
Consult Technical TeamSemiconductor Node Scaling
As microelectronics shrink, quartz stick components welded into diffusion boats and cleaning racks require alkali impurity levels (Na, K, Li) controlled under 0.1 ppm to avoid lattice degradation.
Demand for Micron-Level Tolerance
Automated robotic wafer handling and optical laser systems have shifted requirements from standard drawn tolerance (±0.3 mm) to precision centerless ground quartz sticks held within ±0.01 mm.
Traceable Sand Feedstock
Supply chain security concerns have led enterprise buyers to require complete traceability of natural quartz sand directly from verified mineral hubs such as Donghai, China, ensuring continuous supply.
UV-C & Photonic Expansion
Water treatment and healthcare disinfection equipment have driven a sharp rise in custom-drawn optical quartz sticks configured as internal reflective rods and omnidirectional light emitters.
Trend 2: Integrated Secondary Fabrication
Procurement teams increasingly consolidate vendors by demanding one-stop drawn rods, laser cutting, welding, drilling, and metrology verification.
Explore Custom Solutions Material Science & Tolerances
Technical Parameter Comparison & Specification Guide
Verify real physical and thermo-mechanical data before engineering your quartz stick component. Review how VEZLO fused quartz outperforms standard technical glasses.
| Specification Property | VEZLO Fused Quartz Stick | Borosilicate Glass (Pyrex) | Engineering Impact |
|---|---|---|---|
| SiO2 Purity | ≥ 99.99% | ≈ 80 - 81% | Prevents chemical cross-contamination in fabs |
| Continuous Operating Temp | 1,100 °C | ≈ 500 °C | Withstands continuous industrial furnace environments |
| Max Short-Term Temperature | 1,450 °C | ≈ 550 °C | Crucial safety margin during thermal excursions |
| Thermal Expansion (20-300°C) | 5.5 × 10⁻⁷ /°C | 33 × 10⁻⁷ /°C | Zero shattering under instant 1,100°C water quench |
| Optical Transmission (UV-Vis-NIR) | > 92% (190–2,500 nm) | Poor below 350 nm | High light transmission efficiency for sensors & lasers |
| Density | 2.20 g/cm³ | 2.23 g/cm³ | Exceptional strength-to-weight ratio |
| Total Metallic Impurities | ≤ 20 ppm | > 2,000 ppm | Ultra-low outgassing in vacuum furnaces |
*Note: Higher purity synthetic fused silica stick grades (≤1 ppm metallic impurities) are available upon custom engineering request.
5 Key Factors to Define for Quartz Stick RFQ
To eliminate quotation delays and ensure immediate engineering feedback, please provide the following details when requesting a quote:
- Diameter & Length Dimensions State target diameter (e.g. Ø6 mm, Ø25 mm, Ø50 mm) along with acceptable tolerances (standard drawn ±0.2 mm vs. ground ±0.01 mm) and total length.
- End Surface Finish Specifications Specify whether ends must be coarse saw cut, commercial flame-sealed/polished, optically flat (80/50 or 60/40 scratch-dig), or beveled/chamfered.
- Operating Thermal Profile Provide working temperature, heating/cooling ramp rates, and atmosphere (argon, nitrogen, high vacuum, or atmospheric air).
- Chemical & Gaseous Exposure Identify contact reagents such as nitric acid, hydrochloric acid, etching plasma, or volatile molten metallics.
- Volume & Compliance Standards Specify prototype versus high-volume batch requirements, RoHS/REACH certificates, and custom anti-scratch cleanroom packaging demands.
Donghai County China's Quartz Center · 50 Mu Facility
Enterprise Strength & Authority
VEZLO Quartz Products Co., Ltd.
VEZLO Quartz Products Co., Ltd. is strategically located in Donghai County, Jiangsu Province—globally acknowledged as the premier "China Quartz Center." Spanning an advanced manufacturing facility of over 50 mu (approx. 33,000 square meters) with fixed assets surpassing RMB 10 million, our integrated factory delivers world-class fused quartz glass solutions across the electronics, semiconductor, chemical engineering, electric light source, UV sterilization, and heating industries.
Our company specializes in high-precision transparent fused silica glass tubes (OD 2–500 mm), semiconductor diffusion furnace core tubes, quartz boats, cleaning tanks, quartz crucibles, 13 proprietary grades of ultra-high-purity quartz sand (total metallic impurities ≤20 ppm), and precision quartz sticks / solid quartz rods with diameters from 1.5 mm to 80 mm, as well as amorphous quartz coating materials.
With relentless dedication to scientific innovation, VEZLO Quartz invests no less than RMB 5 million annually into research and technological advancement. Our 320 mm high-purity quartz tube for large-scale integrated circuits was designated as a prestigious Science and Technology Support (Industrial) Project in Jiangsu Province. Our newly developed 520 mm large-diameter high-purity quartz pipe passed the rigorous preliminary review of National New Products. Furthermore, we secured special grant funding for the transformation of scientific and technological achievements for developing 14-inch-plus wafer oxidation and diffusion furnace components.
Our verified factory-direct model has established trusted procurement partnerships spanning over 20 domestic provinces and key international markets including Germany, the United Kingdom, the United States, France, Russia, and Taiwan.
- Plant Scale
- 50 Mu / 33,000 m²
- Annual R&D
- ≥ RMB 5 Million
- Fixed Assets
- RMB 10M+
- Response Time
- ≤ 2 Hours (100%)
- Reorder Rate
- 50% Verified
- Annual Revenue
- US$1M - US$2.5M
Manufacturing Integrity
Precision Thermal Drawing & CNC Finishing
Witness our continuous melting crucibles, precision optical pulling towers, and diamond CNC processing cells transforming Donghai quartz crystals into certified quartz sticks.
- Continuous electric fusion drawing ensures bubble-free solid structure without striae or airlines.
- Automated laser micrometers continuously gauge stick diameter along the entire drawn length.
- Post-draw precision diamond abrasive grinding, chamfering, and clean flame annealing relieve internal stress.
- Individually inspected under polarized strain scopes and spectrographic purity instruments before packing.
GermanyUnited StatesUnited KingdomFranceRussiaJapanTaiwan
Contact Us Verified Credibility
Enterprise Certifications & Accreditations
Independent audits, provincial scientific research grants, and certified quality credentials confirm VEZLO as your reliable long-term quartz partner.
Onsite Verified Supplier
Company facilities, legal identity, and manufacturing capacity independently verified onsite by international third-party inspection agencies.
View Credit DetailsJiangsu S&T Project Leader
Recognized provincial research project holder for 320 mm high-purity quartz components for large-scale integrated circuit manufacturing.
R&D CredentialsNational New Product Review
Newly developed 520 mm large-scale high-purity quartz products successfully cleared China's prestigious National New Product preliminary review.
Trade Capacity50% Buyer Reorder Rate
Demonstrated customer satisfaction across global markets with a verified 50% reorder rate and rapid technical turnaround ≤2 hours.
Buyer Reviews Buyer Knowledge Base
Frequently Asked Questions on Quartz Stick Procurement
Comprehensive engineering and commercial answers to the most common questions international buyers and procurement AI tools ask about quartz sticks.
What is the fundamental difference between a quartz stick and a standard glass stirring rod?
A fused quartz stick consists of pure silicon dioxide (SiO2 ≥ 99.99%), whereas standard laboratory glass rods are made from borosilicate or soda-lime glass containing high levels of boron, sodium, calcium, and aluminum. Fused quartz withstands temperatures up to 1,100°C continuously (compared to 500°C for borosilicate), provides thermal shock immunity under sudden thousand-degree temperature plunges, possesses near-zero coefficient of thermal expansion (5.5 × 10⁻⁷ /°C), and delivers optical UV-to-NIR transmission that standard glass blocks completely.
What diameter dimensions and custom tolerances can VEZLO supply for quartz sticks?
VEZLO produces solid quartz sticks across a continuous diameter spectrum from Ø1.5 mm to Ø80 mm, with standard continuous lengths up to 1,200 mm to 2,000 mm. For standard flame-drawn rods, diameter tolerance is typically within ±0.1 mm to ±0.3 mm. For demanding semiconductor carriers, optical spacers, or plunger mechanisms, our in-house centerless diamond grinding line holds precision tolerances to ±0.01 mm with circularity ≤ 0.008 mm.
How does VEZLO ensure low bubble density and optical clarity in quartz sticks?
We utilize our proprietary refined Donghai natural quartz sand with conventional metal impurities controlled below 20 ppm. The quartz is melted in continuous high-temperature vacuum electric furnaces where molten residence time allows full outgassing, eliminating micro-bubbles, airlines, inclusions, and striae. Optical grade sticks comply with international bubble-class standards (Class 0 and Class 1).
Can VEZLO customize quartz sticks with specific edge geometries, threads, or hole drilling?
Yes. As a comprehensive OEM/ODM manufacturer, VEZLO provides complete secondary processing:
- End finishing: precision saw cut, ground flat, fine fire-polished, optical polish (80/50 scratch-dig), or rounded hemisphere tips.
- Geometric shaping: CNC edge chamfering, radial profiling, beveling, step reduction, and precision centerless cylindrical turning.
- Drilling & threading: diamond ultrasonic drilling of axial or transversal through-holes, countersinks, and external/internal metric threading.
- Hot working: flame-welded handles, flared stops, and ground joint integration for chemical apparatus.
What is the minimum order quantity (MOQ) and sample lead time for custom quartz sticks?
For standard inventory calibers (Ø2 mm, 3 mm, 5 mm, 6 mm, 8 mm, 10 mm, 12 mm), there is no strict MOQ, and prototype sample orders can be dispatched within 48 to 72 hours. For customized diameters, tight-tolerance grinding, or specialized CNC machining, typical sample lead time ranges from 5 to 9 business days. High-volume container or batch deliveries are supported through our 50-mu manufacturing plant.
How are high-aspect-ratio quartz sticks packaged to guarantee zero transit breakage?
Breakage prevention is engineered into our logistics workflow. Individual quartz sticks are enclosed in high-density polyethylene protective sleeves or cleanroom pearl cotton tubing. Sticks are then packed into custom form-fitting slots within expanded polyethylene (EPE) shock absorbers, boxed inside double-wall corrugated cartons, and ultimately crated in heavy-duty, fumigation-free wooden cases secured with steel strapping suitable for global air express, ocean container, or consolidated freight.
Factory Direct Collaboration
Request a Quartz Stick Engineering Quote
Submit your required diameter, length, tolerance requirements, or custom component drawing. Our engineering team in Donghai reviews every technical parameter and guarantees an expert reply within 2 hours.