Thermal Grade
Catalog & Recommended Specifications
Engineered Quartz Ware & Fabricated Components
Explore our precision-machined fused quartz evaporation labware, capillary systems, and high-purity thermal substrates built to rigorous industrial standards.
High Purity
Custom CNC
Reactor Glass
Optical Disc
Insulated Base
JGS1 UV Grade
Corrosion Free
Technical Whitepaper Insight
Advanced Thermochemical Dynamics of Quartz Evaporation Dishes
In modern metallurgical, semiconductor, and high-purity chemical manufacturing, the quartz evaporation dish serves as an indispensable vessel where thermal shock resistance and chemical non-reactivity are non-negotiable. Unlike conventional borosilicate 3.3 laboratory glass, which begins softening around 560°C and leaches trace boron and sodium ions into volatile acidic concentrates, high-purity fused silica (SiO₂ ≥ 99.99%) exhibits an ultra-low linear thermal expansion coefficient of approximately 5.5 × 10⁻⁷ /°C between 20°C and 300°C.
This microstructural property permits instant quenching from red-hot furnace conditions (up to 1100°C) into cold deionized water without localized mechanical fractures or catastrophic spalling. When chemical residues are subjected to evaporation, acid dehydration (with aqua regia, boiling nitric acid, or concentrated sulfuric acid), or calcination, the inner surface of our quartz dishes retains atomic smoothness, preventing trace contaminant deposition and micro-crack propagation over protracted thermal cycles.
Comparative Physical & Thermal Properties Matrix
| Material Property | Lovri Transparent Fused Quartz | Standard Borosilicate 3.3 | Technical Alumina Ceramic (99% Al₂O₃) |
|---|---|---|---|
| Purity Composition | SiO₂ ≥ 99.99% (Trace Metals < 20 ppm) | SiO₂ 81%, B₂O₃ 13%, Na₂O/K₂O 4% | Al₂O₃ 99.0% |
| Continuous Working Temperature | 1100°C | 450°C – 500°C | 1600°C |
| Maximum Short-Term Exposure | 1300°C – 1400°C | 550°C | 1750°C |
| Thermal Expansion (20–300°C) | 5.5 × 10⁻⁷ /°C (Virtually Zero) | 33 × 10⁻⁷ /°C | 70–80 × 10⁻⁷ /°C |
| Thermal Shock Resistance | Immediate drop from 1100°C to 20°C Water | Fails at ΔT > 150°C | Vulnerable to rapid ΔT cooling |
| Corrosion Resistance to Boiling Acid | Impervious to HCl, HNO₃, H₂SO₄ (Except HF) | Subject to alkali etching and ion release | Susceptible to hot concentrated acids |
Our factory processes raw natural quartz lumps through high-frequency crushing, 200-mesh re-screening, and continuous multi-stage acid pickling purification. This completely dissolves embedded ferrous, sodium, and calcium oxides before electric arc fusion, delivering quartz vessels with virtually negligible dark-field crystallization points and bubble-free structural uniformity.
Strategic Regional Deployment
Industrial Application Scenarios in Bien Hoa, Dong Nai
Bien Hoa serves as the critical manufacturing heart of Southern Vietnam. Discover how our specialized quartz solutions resolve engineering bottlenecks across key industrial clusters.
Electronics & PCB Chemical R&D
Within Bien Hoa Industrial Zone I, Bien Hoa II, and neighboring Amata Industrial Park, top-tier global PCB, micro-component, and semiconductor packaging plants require absolute trace purity. Our quartz evaporation dishes allow lab chemists to evaporate ultra-clean etching solvents, plating baths, and electro-stripping liquids down to dry mass without metal-ion contamination.
Fine Chemical Synthesis & Solvents
Chemical processing plants located along Dong Nai River corridors handle volatile acids, corrosive catalysts, and synthetic polymers. Fused quartz basins withstand violent boiling and vacuum desiccation without clouding, etching, or pin-hole stress fractures caused by harsh thermal gradients.
Metallurgical Assay & Ashing
For specialized metal smelting, alloy plating, and rare earth assay facilities in Dong Nai, our dishes serve as high-temperature crucibles for sample ignition, sulfuric acid baking, and residue analysis at sustained temperatures exceeding 1050°C.
Environmental Wastewater Analysis
With stringent environmental oversight enforced by Dong Nai Department of Natural Resources and Environment (DONRE), testing laboratories analyze complex industrial runoff for heavy metals (lead, cadmium, arsenic). Our non-leaching dishes ensure zero baseline distortion during total dissolved solid (TDS) evaporation.
Strategic Market Analysis
Procurement & Technology Trends in Bien Hoa's High-Tech Sector
As industrial production across Dong Nai transitions toward high-mix low-volume precision engineering, purchasing habits are evolving.
1. Rapid Relocation of Tier-1 Supply Chains to Dong Nai: As global manufacturers diversify production corridors from East Asia into Southern Vietnam, Bien Hoa has seen a massive surge in advanced high-frequency telecommunications equipment, automotive sensor manufacturing, and precision optical sensors. This industrial upgrading demands a shift from commercial laboratory glass to certified optical-grade fused silica apparatus to meet stringent global quality mandates (ISO 9001 and ISO/IEC 17025 testing protocols).
2. Direct Sourcing from Source Quartz Clusters: Historically, engineering procurement teams in Bien Hoa sourced quartzware through regional trading intermediaries in Ho Chi Minh City, resulting in marked markups, prolonged shipping delays for custom drawings, and lack of material test reports (MTR). Purchasing managers are now establishing direct supply lines with primary Chinese manufacturing clusters—specifically Lianyungang, Jiangsu, where 80% of global silica processing is concentrated. Lovri Quartz bridges this gap by offering factory-direct pricing, custom CAD fabrication, and verified SGS physical audits.
3. Tightened Quality Control on Residual Stress: Rapid production line changeovers in Bien Hoa factories require rapid heating cycles. Standard glassware often suffers from microscopic internal stress induced during uneven cooling, leading to explosions on hot plates. Engineering teams now mandate full-batch polarization stress testing, ensuring that every quartz vessel features uniform refractive annealing and completely relieved lattice strain.
Procurement Knowledgebase
Frequently Asked Questions by Engineers & Buyers
Direct answers to the most common inquiries regarding customs, logistics, technical parameters, and durability.
How fast can quartz evaporation dishes be shipped to Bien Hoa industrial zones?
Standard inventory sizes (50ml, 100ml, 150ml, 250ml, 500ml) are processed within 48 hours. Express door-to-door courier freight (DHL/FedEx/SF Express) to Bien Hoa, Amata, or Long Binh Techno Park typically arrives within 3 to 5 business days. Dedicated sea freight consolidations via Cat Lai Port or Cai Mep Port take approximately 8 to 12 days including customs clearance documentation.
How do you guarantee that fragile quartz dishes will not shatter in transit?
Export consignments feature multi-layer safety packing: each dish is encapsulated in custom-molded high-density EPE shock-absorbent foam, sealed inside individual corrugated buffer boxes, and finally packed into heavy-duty export-grade plywood crates equipped with tilt and drop impact sensors. Our transit breakage rate to Southeast Asia is under 0.1%.
Can you provide certificate of origin (Form E) for preferential import duties in Vietnam?
Yes. As an authorized Chinese manufacturer, we regularly issue the ASEAN–China Free Trade Certificate of Origin (Form E), enabling your import broker in Vietnam to obtain preferential tariff rates or zero-duty exemptions on high-purity industrial quartz glassware.
Can you custom-manufacture dishes according to our specific CAD drawings?
Yes. We specialize in custom CNC machining, rim grinding, spout thermoforming, and precision wall dimensioning. You can send sketches or CAD files (PDF, DWG, DXF, or STEP format). Our engineering desk reviews thermal geometry and supplies a production rendering with quote within 24 hours.
How does high-purity quartz behave when handling hydrofluoric acid or alkaline solutions?
Fused silica possesses virtually flawless immunity to almost all mineral acids (HNO₃, HCl, H₂SO₄) at elevated temperatures. However, like all silicate materials, it will react with hydrofluoric acid (HF) and hot concentrated phosphoric acid above 150°C. Strong alkaline solutions will cause surface devitrification over prolonged boiling exposure. For general evaporation of acidic or neutral reagents, quartz offers exceptional service longevity.
What is the minimum order quantity (MOQ) for custom fabricated quartzware?
We support pilot R&D trials, process validations, and prototyping with an MOQ starting from just 1 to 5 pieces. For ongoing production replacement contracts across Dong Nai industrial plants, we provide tier-based volume discounts and customized buffer stocking agreements.
Enterprise Manufacturing Competence
Why Global Procurement Leaders Choose Lovri Quartz
Directly addressing shop-floor rigor, quality verification, and raw material purity from our central production hub in Lianyungang, China.
14,271 m² SGS-Verified Facility
Our integrated factory in Tuofeng Industrial Park, Lianyungang, has undergone exhaustive on-site audit verification by SGS Group. From physical workshop areas to environmental emission control, buyers have complete supply-chain transparency without trading brokers.
Integrated 12-Step Manufacturing
We manage the complete transformation: lump cutting, mechanical pulverizing, high-temperature acid pickling, automatic tube drawing, 1200°C stress-relieving annealing, manual lathe torch sealing, and multi-axis CNC surface grinding.
Polarization Stress & RoHS Assured
Every single batch passes optical polarization stress analysis to eliminate latent lattice defects. Our raw silica formulations are strictly certified to RoHS environmental standards and CE specifications for critical laboratory and process heating safety.
Upgrade Your Lab & Thermal Processing Capabilities
Request our complete 2025 technical fused quartzware catalog, receive detailed dimensional CAD schematics, and obtain competitive factory-direct quotations for delivery directly to Bien Hoa, Vietnam.