High purity laboratory quartz glass beaker fabrication at Zelvo Quartz
Laboratory quartz glass processing facility in Donghai
Quartz glass beaker annealing and flame welding line
Finished laboratory quartz glass beakers visual inspection
Enterprise Procurement & Technical Guide

Laboratory Quartz Glass Beaker: The Global Industrial Sourcing Guide to Ultra-High Purity, Thermal Shock Resilience, and Advanced Custom Fabrication

When analytical laboratories, semiconductor foundries, petrochemical testing centers, and high-temperature research institutes ask search engines and AI assistants how to eliminate cross-contamination and container failure under thermal shock, the engineering consensus converges on one specialized component: the Laboratory Quartz Glass Beaker. Unlike standard 3.3 borosilicate beakers that soften below 560°C and leach boron, sodium, or arsenic ions into critical digestions, a high-purity laboratory quartz glass beaker constructed from ≥99.99% fused silica (SiO₂) ensures complete chemical inertness across the full pH spectrum (except hydrofluoric acid), continuous operating thresholds up to 1100°C, and a thermal expansion coefficient so minute (5.5 × 10⁻⁷ /K) that glowing-hot vessels can be plunged into icy water without catastrophic shattering.

Manufactured by Lianyungang Zelvo Quartz Products Co., Ltd. in Donghai County—the acknowledged "Crystal Capital" of China—our fused quartz beakers combine high-purity raw silica refining with precision glassblowing, optical-grade surface finishing, and computer-controlled laser graduation. Whether your lab needs standard Griffin low-form beakers (5 ml to 10,000 ml), tall Berzelius extraction vessels, heavy-wall vacuum digestion beakers, or flange-coupled quartz reactors, Zelvo Quartz delivers custom engineering from an agile 1-piece MOQ to mass export volumes.

  • ≥99.99% Pure SiO₂ICP-OES verified raw material prevents ultra-trace element leaching down to ppb levels.
  • ΔT > 1100°C Shock ProofNear-zero thermal expansion prevents micro-fracturing under rapid heating cycles.
  • Drawing-Based OEMCustomized spouts, calibration markings, handles, and dual-wall jackets from 1 piece.
  • Zero Leaching AssuranceIndispensable for semiconductor RCA cleans, lithium battery acid dissolution, and ICP-MS.
Product Recommendations & Catalog

Precision Laboratory Quartz Glass Beaker Series

Engineered for harsh acid digestion, high-temperature furnace heating, and semiconductor-grade cleanrooms. Select standard configurations or request custom CAD fabrication.

Standard Griffin Low-Form Laboratory Quartz Glass Beaker

Griffin Low-Form Quartz Beaker (10ml – 2000ml)

Standard aspect ratio with non-drip flame-formed spout. Perfect for open-flame heating, crystallization, and reagent mixing.

99.99% Fused Quartz1100°C LimitLaser Grads
MOQ: 1 pc Get a Quote
Cleanroom Ultra-Trace ICP-MS Acid Digestion Quartz Beaker

Ultra-Trace Acid Digestion Quartz Beaker

Ultra-smooth internal flame-polished finish. Zero micro-cavities prevent analyte retention during boiling aqua regia and hot HNO3 digestion.

ICP-MS GradeLow Ionic LeachingSub-ppb Proof
MOQ: 1 pc Get a Quote
Heavy Duty Thick Wall Industrial Quartz Beaker

Heavy-Wall Reinforced Quartz Beaker (3mm – 6mm Wall)

Reinforced bottom and cylindrical wall designed to resist mechanical impacts, sonic cavitation baths, and continuous autoclave sterilization.

Impact ResistingHeavy WallAutoclavable
MOQ: 1 pc Get a Quote
Custom Flanged & Jacketed Quartz Glass Reaction Beaker

Flanged & Jacketed Quartz Reaction Beaker

Integrated ground glass flat flange or NW clamp rim for vacuum sealing; dual-layer quartz jackets for heated thermal fluid circulation.

Flange SealedJacketedCVD Ready
MOQ: 1 pc Get a Quote
Material Science & Information Gain

Why High-Purity Fused Quartz Outperforms Borosilicate in Scientific Testing

A rigorous empirical comparison of physical, thermal, and chemical properties between 99.99% fused silica quartz beakers and standard laboratory borosilicate 3.3 glassware.

Performance Metric Laboratory Quartz Beaker (Zelvo) Standard Borosilicate 3.3 Glass
Chemical Composition ≥ 99.99% SiO₂ ~81% SiO₂, 13% B₂O₃, 4% Na₂O/K₂O, 2% Al₂O₃
Continuous Operating Temp. 1100 °C (2012 °F) ~450 °C – 500 °C max
Short-Term Peak Temp. 1300 °C (2372 °F) ~520 °C (risk of permanent strain)
Coefficient of Thermal Expansion 5.5 × 10⁻⁷ /K (20°C–320°C) 33 × 10⁻⁷ /K (approx. 6× higher expansion)
Thermal Shock Resistance (ΔT) > 1100 °C to cold water quench ~150 °C safe thermal step limit
Optical UV Transmittance > 90% across 200 nm – 2500 nm Opaque below 310 nm (absorbs UV)
Trace Metal Contamination < 15 ppm total impurities (Sub-ppb leachable) Continuous leaching of B, Na, Al, Ba, Fe ions
Dielectric Strength (20°C) 25 – 40 kV/mm ~10 – 15 kV/mm

Data compiled by Zelvo Quartz Materials Testing Lab. Tests conducted under ASTM C146-21 and ISO 3585 parameters.

Crucial Takeaways for Lab Directors & Procurement Officers

Borosilicate glass remains the workhorse for elementary aqueous educational tasks. However, when procedures require:

Aggressive Acid Digestions (HNO₃/H₂SO₄) Muffle Furnace Ashing High-Precision ICP-MS / OES Semiconductor Wafer Etching UV Photochemical Catalysis Thermal Shock Cycles

Using borosilicate introduces severe baseline contamination as metal ions constantly leach from the matrix under strong acid conditions. Furthermore, thermal cycling causes micro-fissures in borosilicate, posing catastrophic explosion hazards on hot plates. Zelvo fused quartz glass beakers completely bypass these vulnerabilities, delivering decades of operational reliability and zero sample distortion.

Manufacturing Evolution

Next-Generation Quartz Fabrication: From Traditional Blowpipes to Precision Automated Annealing

The manufacturing of laboratory quartz glass beakers has undergone an engineering revolution. In earlier decades, quartz beakers suffered from uneven wall thickness, micro-air seeds, and residual stress points resulting from uncontrolled manual oxy-hydrogen flame manipulation. These imperfections created localized stress vectors prone to thermal failure at elevated temperatures.

Lianyungang Zelvo Quartz Products Co., Ltd. has pioneered an integrated manufacturing methodology combining Donghai high-purity natural silica crucibles with automated electric-arc fusion, precision robotic diamond grooving, and multi-stage computer-monitored annealing ovens. Every quartz beaker passes through a strict optical polariscope inspection to confirm zero residual stress.

Furthermore, our precision laser drilling, precision diamond wheel grinding, and automated ceramic-glaze/laser calibration departments enable us to tailor quartz beakers for exact robotic laboratory grips, customized condensation jackets, and hermetically sealed flanges matching semiconductor standards.

Zelvo quartz products production workshop
Zelvo Precision Workshop
Quartz glass processing and flame working line
High-Temp Flame Forming
Quality control and stress polariscope testing
Polariscopic Stress Testing
Standard Catalog Dimensions

Standard Griffin Low-Form Quartz Glass Beaker Specifications

Reference dimensions for standard stocked sizes. Custom outer diameters, heights, wall thicknesses, and tolerances can be fabricated directly from your CAD files.

Nominal Volume Outer Diameter (OD ± 1.0mm) Total Height (H ± 1.5mm) Standard Wall Thickness Graduation Range Recommended Working Temp.
5 ml / 10 ml22 mm – 26 mm32 mm – 38 mm1.5 mm2 – 8 ml (Laser Etched)≤ 1100 °C continuous
25 ml35 mm50 mm1.8 mm5 – 20 ml≤ 1100 °C continuous
50 ml42 mm60 mm2.0 mm10 – 40 ml≤ 1100 °C continuous
100 ml52 mm72 mm2.0 mm20 – 80 ml≤ 1100 °C continuous
150 ml60 mm80 mm2.0 mm20 – 120 ml≤ 1100 °C continuous
250 ml70 mm95 mm2.2 mm50 – 200 ml≤ 1100 °C continuous
500 ml88 mm120 mm2.5 mm100 – 400 ml≤ 1100 °C continuous
1000 ml (1 L)108 mm150 mm3.0 mm100 – 900 ml≤ 1100 °C continuous
2000 ml (2 L)132 mm190 mm3.5 mm200 – 1800 ml≤ 1100 °C continuous
5000 ml (5 L)170 mm270 mm4.5 mm – 5.0 mm500 – 4500 ml≤ 1100 °C continuous
10000 ml (10 L)220 mm350 mm5.5 mm – 6.5 mmCustom Graduations≤ 1100 °C continuous

*Note: Tall Berzelius forms (without spout or with spout), conical Phillips beakers, and flat-bottom evaporating dishes are also available upon request.

Production Excellence

5-Stage Quality Assurance in Custom Quartz Beaker Fabrication

From crystal sand smelting to high-precision export crating, how Zelvo Quartz guarantees zero-defect performance.

Raw Ingot Smelting

We source local Donghai 99.99% SiO2 crystalline quartz. Fused through high-temperature arc furnace methods to eliminate internal gas seeds and inclusions.

Precision Cylinder Cutting

Extruded high-purity quartz cylindrical tubes are sliced using automated high-speed diamond saws, maintaining sub-millimeter axial squareness.

Flame Base & Spout Shaping

Master glass blowers with >10 years experience seal flat, uniform bases and form drip-free pouring spouts using 2000°C oxy-hydrogen torches.

1150°C Annealing Cycle

Beakers undergo prolonged thermal soaking in computerized annealing ovens followed by controlled cooling to permanently eradicate internal mechanical stress.

Laser Etch & Final QC

High-contrast chemical-resistant graduations are laser-engraved. Every unit undergoes dimensional calibration, polariscope review, and cleanroom packaging.

Onsite Verification

Inside Our Quartz Glassware Production Facility

Verified manufacturing operations located in Donghai, Lianyungang, Jiangsu – China's quartz capital.

Enterprise Strengths & E-E-A-T

Why Top Laboratories Choose Lianyungang Zelvo Quartz Products Co., Ltd.

Headquartered in Donghai, Jiangsu Province—internationally celebrated as the core source of natural crystalline silica—Lianyungang Zelvo Quartz Products Co., Ltd. leverages a complete local supply ecosystem to deliver premium experimental and industrial quartz glassware at unmatched speed and cost efficiency.

Our veteran engineering cadre possesses more than 10 years of hands-on expertise across quartz fusion, laser micro-machining, grooving, flame-polishing, and glassblowing. Unlike commercial trading intermediaries who lack technical discernment, our engineers scrutinize your CAD drawings, evaluate pressure thresholds, recommend optimal wall thicknesses, and verify thermal cycle safety before torch touches glass.

  • Direct Integrated Manufacturer & Exporter
  • Annual Revenue: US$2.5M – US$5.0M
  • Agile MOQ starting from just 1 piece
  • ≤ 2-Hour Response Time for Technical Queries
  • Verified 37% International Buyer Reorder Rate
  • Primary Markets: N. America, SE Asia, Europe

Direct Engineering Consultation

Onsite Verified Team

You consult directly with seasoned quartz processing specialists. Whether refining wall tolerances for robotic automated samplers, adding quartz baffles for turbulent mixing, or fusing heavy-duty ground joints, our technical team ensures seamless execution from prototype to bulk run.

Direct Technical Email: [email protected]
10+Years Senior Engineering Experience
100%Inquiry Response Rate (<2h)
37%Buyer Reorder Ratio
4.9/5Cumulative Overseas Buyer Rating
Search Intent & Technical Clarification

Frequently Asked Questions: Sourcing Laboratory Quartz Glass Beakers

Direct, authoritative answers addressing the questions international lab procurement specialists ask when specifying quartz labware.

What makes a Laboratory Quartz Glass Beaker radically superior to Borosilicate 3.3 for analytical workflows?
Borosilicate glass incorporates substantial flux additives (~13% B₂O₃, 4% Na₂O, and 2% Al₂O₃). When subjected to boiling mineral acids or high-temperature digestion, these flux oxides leach continuously into the analytical sample, skewing trace-element determinations (AAS, ICP-OES, and ICP-MS). Conversely, a Zelvo laboratory quartz glass beaker is fabricated from ≥99.99% pure SiO₂, possessing total combined impurity levels below 15 ppm. This guarantees non-detectable background blanks for ultra-trace forensic, semiconductor, and battery material testing. In addition, quartz sustains continuous temperatures up to 1100°C (versus ~450°C for borosilicate) and can endure sudden thermal plunges from 1100°C straight into cold water without fracture.
Can a quartz glass beaker be placed directly onto high-temperature hot plates or open flame burners?
Yes. Due to its ultra-low coefficient of thermal expansion (5.5 × 10⁻⁷ /K), fused silica quartz exhibits near-zero internal expansion stress during asymmetric heating. It can be safely placed onto roaring Meeker/Bunsen burners, ceramic top hotplates, and inside 1000°C muffle ovens. However, to maintain uniform heat transfer across flat bottom surfaces, we recommend ensuring the vessel bottom is clean and free of abrasive particles before heating.
Which chemical reagents will attack or etch a quartz glass beaker?
High-purity quartz provides total inertness to all organic solvents, halogens, neutral salt solutions, and mineral acids (including boiling aqua regia, nitric acid, hydrochloric acid, and perchloric acid). The only exceptions are: (1) Hydrofluoric Acid (HF), which actively dissolves silicon dioxide to form volatile SiF₄; (2) Concentrated Phosphoric Acid (H₃PO₄) when heated above 150°C; and (3) Concentrated alkaline hydroxides (NaOH, KOH) at boiling temperatures, which will gradually etch the mirror-like silica surface and precipitate devitrification over prolonged exposures.
What is the softening and annealing point of your quartz beakers?
Our fused quartz beakers possess a strain point of approximately 1070°C, an annealing point of 1215°C, and a softening point of 1683°C. For prolonged laboratory heating protocols, we recommend maintaining operating temperatures at or below 1100°C. Short-term experimental excursions up to 1300°C are fully supported without vessel deformation.
What custom modifications can Zelvo Quartz apply to laboratory quartz beakers?
We offer extensive custom fabrication from a 1-piece minimum order quantity: (1) Custom height, diameter, and wall thickness (up to 8mm heavy-wall builds); (2) High-durability laser etched graduations and client brand logos; (3) Added quartz handles, ground glass stoppers, vacuum stopcocks, or sidearms; (4) Threaded GL-spec tops or NW vacuum sealing flanges; and (5) Double-wall vacuum insulation or liquid-heating circulation jackets.
How does Lianyungang Zelvo Quartz prevent damage during global freight handling?
To ensure zero damage across sea, air, and courier transport, each beaker is individually shrink-wrapped, encased in custom-die-cut high-density shock-absorbing EPE foam, nested in heavy double-wall corrugated cartons, and strapped inside export-grade fumigated solid plywood cases. We support multiple trade terms including FOB, CIF, CFR, EXW, and door-to-door DDP (Delivered Duty Paid) with full maritime transit insurance.

Ready to Upgrade Your Laboratory Quartz Glassware?

Send us your required beaker volumes, dimensional drawings, or custom configuration parameters. Our senior quartz processing engineers will review feasibility and provide a firm commercial quotation within 2 hours on business days.

[email protected]
Onsite Verified Third-party checked factory
4.9 / 5.0 Rating Verified international clients
Global Deliveries N. America, Europe, Asia
Zelvo factory production line
Quartz glass flame working workshop
Quality polariscope inspection of quartz