JGS1 High Purity Fused Quartz Glass Sheet SiO2 99.99%
Deep-UV transparent annealed laser plate. Exceptional transmission across 185–2500 nm spectrum with zero solarization for Jakarta laser labs.
Every piece is fabricated with optical-grade synthetic and flame-fused silica raw materials (SiO₂ ≥ 99.99%), vacuum-treated, and polarization stress-relieved to meet demanding industrial standards in Jakarta and West Java corridors.
Deep-UV transparent annealed laser plate. Exceptional transmission across 185–2500 nm spectrum with zero solarization for Jakarta laser labs.
Micron-precision CNC-machined fused silica window designed for cleanroom inspection and high-temperature wafer holding in microelectronic fabrication.
Ultra-flexible high-temperature thin silica substrate with strict surface parallelism, optimized for laser window shielding and optical sensors.
Engineered for LPCVD, oxidation, and diffusion tubes. Maintains dimensional integrity up to 1200°C without introducing trace element contamination.
Stress-relieved through a multi-stage 1200°C thermal cycle. Ideal for customized reaction bottles, digestion manifolds, and vacuum glassware.
Ultra-tight tolerance optical communication assembly block. Resists thermal shifting in telecommunication packaging and photonic alignments.
Custom fused silica laser flow sleeves featuring precision parallel bores. Engineered for Nd:YAG medical devices and industrial laser cutting heads.
Heavy-wall quartz tube with welded ground-joint or flat flanges. Built to withstand sudden 1100°C quench conditions in chemical pyrolysis and lab reactors.
Why modern analytical, pharmaceutical, and high-tech process lines throughout Jabodetabek are phasing out Type I borosilicate glass in favor of 99.99% fused silica vessels.
Across the industrial belts of Greater Jakarta—encompassing Pulogadung, Cakung, and the high-density manufacturing clusters in Cikarang, Karawang, and Tangerang—modern quality assurance laboratories face acute challenges. High ambient humidity combined with corrosive chemical digestion workflows rapidly attacks standard borosilicate glass vessels. Standard 3.3 borosilicate glass exhibits significant alkali leaching when exposed to elevated temperatures and aggressive mineral acids (including boiling HNO₃, HCl, and concentrated H₂SO₄), severely distorting trace-level ICP-MS and AAS elemental analyses.
Lovri Quartz (Bao Ran) supplies engineered quartz bottles, digestion vessels, and custom-blown silica apparatus directly fabricated from our 14,271 m² processing center in Lianyungang, China—the primary global hub for high-purity crystalline silica sand. Because our quartz bottles are formed from ≥ 99.99% pure fused silica, the internal surfaces are completely devoid of sodium, calcium, and boron fluxes. This produces an inert fluid contact interface that prevents ion migration, ensuring chemical baseline integrity for pharmaceutical batch verification regulated under BPOM (Badan Pengawas Obat dan Makanan) standards.
| Performance Parameter | High-Purity Fused Quartz Bottle (Lovri) | Standard Type I Borosilicate 3.3 Glass | Operational Impact in Jakarta Facilities |
|---|---|---|---|
| Silicon Dioxide (SiO₂) Content | ≥ 99.99% | ≈ 80–81% | Eliminates Na⁺, K⁺, B³⁺ background noise in ultrapure analysis |
| Thermal Expansion Coeff. (20–300°C) | 5.5 × 10⁻⁷ / °C | 33 × 10⁻⁷ / °C | Quartz survives immediate liquid immersion from 1100°C to cold water |
| Max Continuous Temperature | 1100 °C (Short peak: 1300°C) | 450 °C (Short peak: 500°C) | Safe for direct high-heat muffle calcination, ash digestion, pyrolysis |
| Softening Point | ≈ 1730 °C | ≈ 820 °C | Zero vessel deformation under intense direct oxy-hydrogen flame heating |
| Optical UV Cutoff Limit | 185 nm (JGS1 Synthetic) | ≈ 310 nm | Enables deep-UV photolysis, photochemical synthesis, UV digestion |
| Hydrolytic Resistance (ISO 719) | Class HGB 1 (Virtually Inert) | Class HGB 1 | Prevents micro-pitting in tropical, humid storage conditions |
From central government research hubs to private industrial estates, our high-purity quartz products are deployed in mission-critical environments.
Jakarta acts as the corporate headquarters and central testing node for Indonesia's mining and refining sectors. Analytical facilities in Pulogadung and South Jakarta utilize our quartz bottles and digestion crucibles for high-temperature aqua regia extractions of nickel matte, gold ores, and petroleum catalyst assays where contamination would alter valuation.
Under Indonesia's national EV battery roadmap, downstream lithium and nickel sulfate synthesis in GIIC Cikarang and Suryacipta Karawang requires extreme chemical resistance. Our heavy-walled quartz reaction bottles and bubbling tubes withstand acidic chlorination and thermal calcination cycles up to 1100°C without devitrification.
Testing laboratories in Jakarta's pharmaceutical belt rely on quartz storage bottles, optical cuvettes, and autosampler vials for spectrophotometric testing. The neutral silica surface prevents adsorption of active pharmaceutical ingredients (APIs), ensuring compliance with Indonesian Pharmacopoeia and Halal testing protocols.
As microelectronics and solar cell assembly plants expand along the MM2100 corridor, our quartz wafer boats, CNC machined carriers, and JGS1 transparent inspection windows provide ultra-low particulate contamination and precision geometry essential for cleanroom CVD and wafer cleaning setups.
Advanced physics, optical, and nanotechnology institutes under BRIN (Badan Riset dan Inovasi Nasional) in Serpong and Salemba utilize our bespoke quartz flow tubes, ultra-thin 0.1mm plates, and laser triple-bore cooling components for specialized laser research and spectroscopic studies.
Jakarta’s water management facilities and industrial printing plants employ our high-transmittance ozone-free and ozone-generating quartz sleeves. With >90% transmission at 254 nm and 185 nm, they maximize photochemical efficiency while providing long operating lifespans.
Key economic initiatives, regulatory frameworks, and technological investments driving procurement across the Greater Jakarta metropolitan area.
Government initiatives prioritizing chemicals, electronics, and automotive industries have catalyzed private lab automation. Robotic liquid handling systems require quartz bottles with precise neck finishes, DIN threads, and minimal thermal distortion.
Bans on raw mineral exports mandate domestic smelting and refining. High-throughput metallurgical assay laboratories throughout Jakarta require rugged quartz vessels capable of surviving repetitive acid vapor digesters.
National clean energy goals have prompted investments in domestic photovoltaic cell manufacturing. Quartz furnace tubes, wafer cassettes, and high-purity bubbling bottles are critical components for high-efficiency solar wafer fabrication.
Jakarta's municipal environmental directives require continuous emission monitoring systems (CEMS) for thermal power plants and incinerators. Heated quartz sampling probes and gas-conditioning bottles resist flue gas acid attack.
Eliminate intermediate trading markups and ensure total material traceability with our end-to-end production facility in Lianyungang, China.
From initial lump cutting, crushing, and high-concentration acid pickling to 99.99% SiO₂ sand synthesis, we control our own raw feedstocks. This prevents batch-to-batch variation and eliminates microscopic carbon and metallic inclusions that cause thermal fracture.
Our workshop houses high-precision CNC 4-axis machining centers, high-vacuum fire-polishing stations, precision glass lathes, and specialized ultrasonic drilling rigs. We cut, bore, bend, and fuse custom GL45 threads, ground taper joints, and multi-port caps to exact customer CAD files.
Internal stress in fused quartz is invisible under normal ambient light but causes catastrophic failure when vessels are subjected to rapid temperature shifts. Every batch undergoes 1200°C annealing followed by 100% polarization stress inspection prior to export packing.
Essential guidance covering customs handling, tropical storage maintenance, port logistics, and product specifications for buyers in Jakarta.
Send your CAD drawing, vessel dimensions, quartz material grade (JGS1/JGS2/Opaque), and working temperature requirements. Our technical team replies with a manufacturability review and factory-direct quotation within 12 hours.