Optical Grade
High Temperature Optical Grade Quartz Glass
Ultra-low bubble JGS1/JGS2 fused silica offering optical polish down to 40/20 scratch-dig for laser diagnostic spectroscopy.
Export-Grade Glassware & Components
Precision Laboratory Quartz Glassware & Substrates
Direct factory-machined fused quartz solutions tailored for acid digestion, high-temperature calcination, UV spectroscopy, and semiconductor prototyping in Greater Montreal.
CVD & Vacuum
99.99% Pure Fused Quartz Twin Tube Assembly
Dual-chamber continuous heating geometry designed for twin-gas purging, pyrolytic synthesis, and specialized reactor vessels.
X-Ray Analysis
Circular Fused Quartz XRD Sample Holder
Ultra-flat, low-fluorescence quartz discs precision recessed for powdered metallurgical and crystal characterization.
Substrate
High-Pressure Fused Silica Quartz Wafer
Double-side chemical-mechanical planarized fused silica wafers engineered for deep-UV lithography and microfluidic MEMS bonding.
Custom Form
Custom U-Bent & Helical Quartz Glass Coil
High-integrity quartz condenser spirals and U-tubes maintaining uniform wall thickness along tight radii for corrosive acid condensing.
High Vacuum
Flanged High-Purity Fused Quartz Reactor Tube
Precision-ground quartz flange rings vacuum-welded to clear silica tubes, mating directly with stainless steel chamber hardware.
Refractory
High-Temperature Fused Quartz Sight Window
Dimensionally stabilized quartz viewing windows with ground chamfers, built to endure harsh kiln environments and aggressive flux vapors.
Waveguide
Optical Quartz Light Guide & Stirring Rod
Precision-drawn 99.99% SiO₂ cylindrical light guides and inert heavy-duty beakers stirring rods with optical end-face polish.
Engineering Whitepaper • Material Superiority
Why Quartz Glass Beakers Outperform Borosilicate 3.3 in Critical Lab Environments
A rigorous thermomechanical comparison for Montreal laboratory managers, chemical engineers, and analytical chemists conducting high-stress experiments.
| Physical / Thermal Parameter | Standard Borosilicate 3.3 | Zelvo 99.99% Fused Quartz |
|---|---|---|
| Silicon Dioxide (SiO₂) Purity | ~80.6% (with B₂O₃, Na₂O, Al₂O₃) | ≥ 99.99% (Optical/Semiconductor) |
| Continuous Max Operating Temp | 450 °C - 500 °C | 1100 °C (Continuous) / 1300 °C (Short) |
| Softening Point | 820 °C | 1683 °C |
| Annealing Point | 560 °C | 1215 °C |
| Thermal Expansion (CTE) (20-300°C) | 3.3 × 10⁻⁶ / K | 5.5 × 10⁻⁷ / K (6x Lower) |
| Thermal Shock Tolerance (ΔT) | ~100 °C - 150 °C | > 1000 °C (Direct Ice Quench) |
| Deep-UV Transmission (@ 200 nm) | 0% (Opaque below 300 nm) | > 90% (UV Grade Synthetic/JGS1) |
| Heavy Metal Leaching in Strong Acids | Moderate (Boron/Sodium ion exchange) | Undetectable (< 0.1 ppb trace blank) |
The Physics of Near-Zero Thermal Expansion
Standard laboratory glassware made from Pyrex or generic Borosilicate 3.3 contains significant fluxing agents (such as 13% Boron Oxide and 4% Sodium Oxide) to lower melting points during mass manufacturing. In contrast, Zelvo Fused Quartz Glass Beakers are constructed purely from four-nines (99.99%) natural rock crystal quartz or CVD synthetic silica sourced from Donghai, the Silicon Capital of China.
Because fused silica possesses an exceptionally low Coefficient of Thermal Expansion (5.5 × 10⁻⁷ / K), internal stresses do not accumulate during abrupt temperature gradients. A laboratory technician in Montreal can take a Zelvo quartz beaker containing a molten alloy or boiling perchloric acid mixture at 1050 °C and submerge it directly into ice water (0 °C) without structural fracture or micro-crazing.
Local Ecosystem Deployment
High-Purity Quartz Glassware in Montreal's Specialized Innovation Hubs
Addressing the exact procurement demands of Quebec's life science corridors, critical mineral pilot plants, clean metallurgy centers, and university research facilities.
Technoparc & Laval Biotech Corridors
In the life science hubs of Saint-Laurent Technoparc and Cité de la Biotech in Laval, research facilities rely on trace-metal-free digestion beakers for active pharmaceutical ingredient (API) profiling, peptide crystallization, and low-endotoxin reagent preparation.
Unlike regular laboratory glass that leaches boron, barium, and alkali ions into aqueous solutions over extended incubation periods, Zelvo fused quartz reaction vessels ensure zero ionic contamination during critical ultra-clean biological testing.
- Trace-element leaching below 0.05 ppb for ICP-MS
- Resistant to aggressive organic solvent mixtures
- Compatible with continuous 121°C autoclave cycles
Quebec Battery Valley & Mining Extraction
With Quebec's booming Critical Minerals Strategy linking northern extraction (lithium, nickel, cobalt, graphite) to the Bécancour-Montreal Battery Corridor, analytical labs routinely perform aggressive acid digestions using concentrated aqua regia, perchloric acid, and hot nitric acid.
Zelvo's heavy-wall OEM quartz beakers endure sustained hotplate boiling without clouding or devitrification, allowing metallurgical labs to achieve accurate mineral assay recoveries without beaker corrosion artifacts.
- Unaffected by hot boiling Aqua Regia & HNO₃
- High-temperature calcination and ash testing up to 1100°C
- Flat bottoms engineered for maximum hotplate heat flux
Academic Research: McGill, UdeM & INRS
Montreal's premier academic institutions—including McGill University, Université de Montréal, Polytechnique Montréal, and INRS-EMT in Varennes—operate cutting-edge photonics, sol-gel chemistry, micro-nanotechnology, and green hydrogen catalytic synthesis labs.
These groups require specialized custom-blown quartz beakers with optical-grade UV-transparent side windows, jacketed cooling loops, and internal thermocouple wells to perform precision photochemical and sonochemical investigations.
- Deep-UV excitation at 254 nm with > 90% transmission
- Custom precision-machined ground joints (NS/ST taper)
- Prototypes custom fabricated from 1 single piece
Industry Insights • Quebec Market Dynamics
Evolving Procurement Trends in the Montreal Laboratory Glassware Sector
How stringent ESG standards, supply chain de-risking, and advanced process automation are reshaping the procurement of thermal quartz vessels in Eastern Canada.
The Shift Toward Direct-to-Factory OEM/ODM Procurement
Historically, scientific labs across Montreal, Laval, and Longueuil acquired quartz beakers and furnace tubes through domestic catalog distributors. However, compounding markups of 300% to 500% and extended 16-to-24-week distributor backorders have led research institutes to transition toward direct partnerships with verified manufacturing facilities in Donghai, China.
Working directly with Zelvo Quartz gives Canadian buyers direct engineering oversight over raw material grades (JGS1 UV synthetic vs. JGS2 optical vs. JGS3 infrared fused quartz), custom dimensional prints (±0.05 mm tolerances), and customized spouts, heavy-duty pour rims, or multi-port lids.
Furthermore, with Quebec's aggressive transition toward clean-tech and electric vehicle battery supply networks, demand for specialized acid digestion vessels capable of operating at 300°C–800°C without mechanical degradation has experienced an unprecedented 42% year-over-year surge across the Saint Lawrence trade corridor.
Zero-Contamination Demand in Analytical Metallurgy
Quebec mining assay laboratories demand trace boron and sodium blank levels below parts-per-trillion (ppt) thresholds during lithium extraction testing.
Thermal Shock Safety Standards (CNESST Compliance)
Preventing catastrophic thermal breakage of boiling acid vessels in academic and industrial labs is driving the substitution of borosilicate glass with fused quartz.
Bilingual Documentation & CBSA Compliance
Suppliers must ensure full traceability, including French/English material certifications (CoC) and compliant tariff classifications under HS 7017.10.
99.99%
SiO₂ Purity Standard
1100°C
Continuous Working Temp
≤ 2 Hours
Engineering Drawing Review
1 Piece
Custom OEM MOQ
Precision Custom Fabrication
End-to-End OEM/ODM Quartz Glass Beaker Manufacturing Workflow
From initial concept CAD files to cold-cutting, flame annealing, and laser calibration, our Donghai fabrication base transforms your specifications into certified glassware.
1. Blueprint & CAD Review
Send 2D drawings, 3D STEP files, or hand sketches. Our sales engineers evaluate thermal requirements, wall uniformities, and draft angles within 2 hours.
2. Raw Material Grade Selection
We match natural high-purity quartz crystal tubes or synthetic silica depending on UV transmission requirements (JGS1, JGS2, or JGS3 infrared grade).
3. Precision Hot & Cold Forming
CNC diamond milling, ultrasonic bottom coring, automated lathe flame-turning, glass blowing, robotic spout forming, and handle attachment.
4. Annealing & Stress Relief
Furnace thermal soaking at 1215°C followed by controlled cooling through the 1075°C strain point to eradicate optical birefringence and mechanical micro-fractures.
5. Metrology & Clean Packaging
Optical bubble analysis, coordinate measuring machine (CMM) dimensional verification, acid wash, dust-free sealing, and export wooden crating.
Bespoke OEM/ODM Modifications Available for Laboratory Beakers
Geometry & Capacity
Griffin low-form (ISO 3819), Berzelius tall-form, flat-bottom micro-beakers (5 ml to 50 ml), and large chemical reaction beakers (up to 10,000 ml) with custom aspect ratios.
Joints & Side Ports
Standard ground quartz joints (ST 14/20, 24/40, 29/42), GL-14/GL-18 threaded screw necks, vacuum stopcocks, and quartz side-arms for gas circulation or temperature probes.
Graduations & Marking
Permanent hydrofluoric acid matte frosting, diamond-engraved double scale increments, laser-etched metric graduation lines, or custom private-label institutional branding.
Jacketed & Baffled Vessels
Double-wall vacuum or fluid jackets for constant-temperature chiller circulation, internal flow-disrupting vortex baffles, and sintered quartz porous bottom filter discs (P0 to P4).
Enterprise Strength • Donghai Manufacturing Base
Why Montreal Science & Industry Trust Zelvo Quartz
Combining the natural raw-material advantages of China's Crystal Capital with high-precision CNC machinery and seasoned export engineering personnel.
Source Crystal Cluster
Located in Donghai County, Jiangsu—home to the world's most concentrated quartz processing cluster—giving us direct access to 99.99% pure silica feedstock without middleman markups.
Rapid ≤ 2-Hour Response
Direct communication with dedicated export sales engineers. Your CAD blueprints, price inquiries, and technical questions receive detailed feedback and DDP quotations within 2 hours.
1-Piece Prototype MOQ
We actively support university research, pilot-line tests, and custom scientific apparatus prototyping with an ultra-flexible Minimum Order Quantity of just one single piece.
DDP Secure Quebec Delivery
Comprehensive freight forwarding via air or ocean with all CBSA customs tariffs, port handling, and domestic transport settled in advance directly to your Montreal dock.
Logistics & Transport Integrity
Zero-Breakage Delivery to Montreal & Quebec Winter Resilience
Overcoming the logistical challenges of international transport, sub-zero Canadian winter temperatures, and customs clearance procedures.
Engineered Shock & Thermal Packaging
Transporting delicate, thin-walled quartz beakers and precision flange tubes across 10,000 kilometers requires specialized export containment. Rapid temperature drops during winter handling at Montreal-Trudeau International Airport (YUL) or the Port of Montreal (where tarmac temperatures can plummet to -30 °C) create zero structural hazard for the quartz itself thanks to its ultra-low thermal expansion. However, external transit vibrations and mechanical impacts present genuine risks.
Zelvo employs high-density cross-linked polyethylene (XLPE) foam, multi-layer bubble suspension, individual vacuum boxing, and fumigated reinforced plywood crates fitted with internal spring dampers and external ShockWatch and TiltWatch indicator tags.
- 100% Free Replacement Guarantee on any documented transit breakage
- DDP (Delivered Duty Paid) door-to-door clearance to Montreal, Laval & Longueuil
- Air courier express options (FedEx, DHL, UPS) within 5–7 business days
| Shipping Mode | Transit to Montreal | Target Order Volume |
|---|---|---|
| Express Air Courier | 4 – 7 Days | Prototypes, emergency replacement beakers, 1–20 pcs |
| Standard Air Cargo | 7 – 12 Days | Medium batch lab supplies, 20–200 pcs |
| Ocean Freight (LCL/FCL) | 25 – 35 Days | Annual inventory contracts, industrial vessels > 500 pcs |
| Customs (CBSA) Support | Cleared at port of entry | HS 7017.10 Laboratory Fused Quartz / Silica classification |
Customer Guidance • Frequently Asked Questions
Montreal Laboratory Buyer FAQ: Procurement, Specs & Logistics
Clear, direct answers regarding customs tariffs, thermal longevity, trace element leaching, and custom blueprint prototyping.
What chemical substances are harmful to quartz glass beakers? +
Fused quartz is chemically inert to almost all inorganic and organic acids—including concentrated boiling sulfuric acid (H₂SO₄), nitric acid (HNO₃), hydrochloric acid (HCl), and aqua regia—even at extreme temperatures up to 1000 °C.
However, Hydrofluoric Acid (HF) aggressively corrodes and dissolves SiO₂ at any temperature. In addition, Phosphoric Acid (H₃PO₄) attacks quartz at temperatures exceeding 150 °C, and concentrated alkaline solutions (such as boiling NaOH or KOH) gradually etch the surface, leading to devitrification (crystallization back into cristobalite).
Can Zelvo manufacture customized quartz beakers from our laboratory 3D CAD or hand sketches? +
Yes. We specialize in custom drawing-based OEM and ODM fabrication. You can provide standard 3D CAD files (.STEP, .IGS), 2D drawings (.DWG, .PDF), or a clean dimensional sketch detailing internal diameter, wall thickness, overall height, and custom feature locations.
Our engineering team in Donghai will review your design, confirm wall thickness tolerances (typically ±0.1 mm to ±0.2 mm for hand-blown beakers, or ±0.05 mm for CNC-ground geometries), verify annealing feasibility, and issue a formal quote within 2 hours.
How does DDP shipping work for institutional buyers in Montreal and Quebec? +
Under DDP (Delivered Duty Paid) terms, Zelvo Quartz manages the entire international logistics chain. We handle export documentation from China, cross-ocean freight, Canadian customs clearance through the Canada Border Services Agency (CBSA) under HS Tariff Code 7017.10.00 (Laboratory glassware of fused quartz or other fused silica), and domestic ground delivery right to your facility dock.
Whether your laboratory is located in the Technoparc Saint-Laurent, downtown Montreal (McGill campus), Laval, or Bécancour, the quoted price is all-inclusive with zero surprise brokerage fees or port levies.
What is the risk of devitrification, and how can we maximize the service life of quartz beakers? +
Devitrification is the phase transformation of amorphous fused quartz into crystalline cristobalite, which manifests as a cloudy white haze and causes the glass to become brittle. This process typically occurs at temperatures above 1150 °C when contaminants—specifically alkali metals like sodium or potassium from fingerprints, dust, or tap water—are present on the quartz surface.
To maximize vessel life: always handle quartz beakers using clean lint-free gloves, wash thoroughly with deionized water or dilute acid, and dry completely prior to high-temperature heating cycles.
What are the trace impurity levels in your 99.99% SiO₂ quartz raw material? +
Our standard laboratory quartz beakers are manufactured from high-purity natural fused silica with total metallic impurity concentrations below 20 ppm (parts per million). Typical ICP-OES elemental analysis reveals:
Al: 12–16 ppm • Fe: < 0.2 ppm • Ca: < 0.5 ppm • Mg: < 0.1 ppm • Na: < 1.0 ppm • K: < 1.0 ppm • Ti: < 1.2 ppm. For ultra-trace ICP-MS applications or deep-UV optical transmission, synthetic fused silica (JGS1) with total impurities < 1 ppm is available upon request.
What happens if glassware arrives damaged due to transport handling? +
Every shipment leaving our factory is fully insured and packed inside reinforced, custom-molded foam suspension and rigid plywood crates.
In the unlikely event that your order incurs transit damage, simply photograph the damaged items and the exterior shipping crate within 72 hours of delivery. We immediately initiate a zero-cost rush replacement manufacture and dispatch priority air-freight tracking directly to your facility.
Can you supply jacketed or vacuum-jacketed quartz beakers for photo-reaction and low-temp cooling? +
Yes. We regularly fabricate custom jacketed quartz beakers featuring dual concentric quartz walls. The outer jacket can accommodate fluid circulation (coolants or heating oils) via GL-14 glass screw threads, serrated hose barbs, or quick-disconnect fittings.
Alternatively, the outer annulus can be vacuum-evacuated and silvered to minimize heat dissipation during cryogenic experiments or high-temperature calorific testing.
What payment terms and currencies do you support for Canadian research buyers? +
We accommodate institutional payment workflows standard across Canadian universities and corporations. We accept payments in CAD (Canadian Dollars) as well as USD, EUR, and GBP.
Supported payment methods include Wire Transfer (T/T), Letter of Credit (L/C), Corporate Credit Cards, and PayPal. For established university departments and repeat commercial clients in Quebec, flexible milestone or net payment accounts can be established.
Need Custom Quartz Beakers or Specialized Lab Glassware?
Connect directly with Zelvo Quartz factory engineers. Send your CAD models, sketches, or dimensional criteria today to receive material feasibility feedback, volume wholesale tier pricing, and guaranteed DDP Montreal delivery schedules.