Precision Manufacturing & Custom Fabricated Quartz Solutions
Donghai Kemzo Quartz Products Co., Ltd. provides certified high-purity quartz products engineered for demanding thermal, optical, chemical, and semiconductor processing. Every custom component is melted from top-tier Donghai natural crystal and manufactured under strict ISO 9001 quality controls to guarantee exceptional UV transmission, low thermal expansion, and mechanical stability.
Working Temp
1100 °C Cont.
Thermal Shock
1100°C to 20°C Water
UV Transmission
> 90% @ 254nm
Delivery Support
OEM to Drawing
Featured
Quartz Tube Series
High-Purity Spiral Fused Quartz Glass Tube
- Material: High Purity Clear Fused Silica
- Configuration: Sealed or Open Spiral Coil
- Application: Condensers, Fluid Heating & Reactions
$10 – $100
MOQ: 1 piece
Optical
Spectroscopy & Optics
Custom Precision Quartz Cuvette & 50mm Flow Cell
- Optical Path: 10mm – 50mm Customizable
- Wavelength Range: 190nm – 2500nm
- Features: Fire-Fused Joint, Chemical Inertness
$25 – $60
MOQ: 2 pieces
Labware
Laboratory Quartz
Micro Reaction Clear Quartz Labware Dish & UV Cell
- Design: Polished Optical Windows & Acid Dish
- Thermal Range: Up to 1200°C
- Purity: Low Autofluorescence / Metallic Trace Free
$10 – $100
MOQ: 1 piece
Hot Sale
Furnace Tube
High-Purity Polished Clear Fused Quartz Pipe
- OD Range: 2mm to 450mm OD
- Surface: Fire-Polished / Ground Ends / Flanged
- Usage: CVD Furnaces, Heating & Chemical Flow
$5 – $10
MOQ: 1 piece
Optics
Light Transmission
Transparent Fused Quartz Light Guide Rod
- Profile: Precision Ground Cylindrical Rod
- Transmission: High UV-Vis-NIR Internal Reflection
- Tolerance: Diameter within ±0.02 mm
$5 – $10
MOQ: 1 piece
Viewport
Optical Windows
Optical UV Fused Quartz Viewport Glass Plate
- Surface Quality: 60/40 or 40/20 Scratch/Dig
- Flatness: 1-3 Lambda per Inch
- Usage: UV Curing, Vacuum Chambers & Furnaces
$8 – $10
MOQ: 10 pieces
Precision
Capillary Series
Precision Capillary Fused Quartz Glass Tube
- ID / OD: Microbore down to 0.1mm ID
- Uniformity: Consistent Wall Thickness
- Application: Chromatography, Fiber Sleeves & Sensors
$1 – $10
MOQ: 10 pieces
Custom
Fabrication
Special-Shaped Heat-Resistant Quartz Glass Assembly
- Fabrication: Glass Blowing, Joint Welding, Tapers
- Design: Fabricated According to CAD / 2D Drawings
- Resistance: 100% Acid-Proof (except HF)
$15 – $100
MOQ: 1 piece
Thermal
Infrared & Shielding
Frosted / Milky Opaque Fused Quartz Pipe
- Features: Excellent IR Diffusion & Heat Uniformity
- Operating Temp: 1150°C Sustained
- Use: Heater Jackets, Furnace Liners & Thermocouple Sheaths
$10 – $15
MOQ: 1 piece
OEM Pot
Heavy-Duty Ware
Heavy-Duty Heat-Resistant SiO2 Quartz Vessel / Pot
- Temperature: Rated for 1100°C Continuous Heating
- Capacity: Custom Dimensions & Lid Options
- Properties: Zero Leaching, Food-Grade & Lab Safe
$270
MOQ: 1 piece
Metallurgy
Crucibles & Melting
Quartz Ceramic Melting Crucible Bowl for Metals
- Application: Induction Melting of Gold, Silver, Alloys
- Thermal Shock: Withstands Rapid Torch Heating
- Structure: Fine Particle Density, Anti-Cracking
$500
MOQ: 10 pieces
Industrial
Heater Components
Clear 99.99% Pure Quartz Twin-Bore Heating Tube
- Shape: Twin / Figure-8 Cross Section
- Process: Precision Cutting, Bending & Flame Sealing
- Application: Medium Wave IR Emitters & Dryers
$10
MOQ: 100 pieces
Raw Material
Fused Silica Granules
Industrial Heat-Resistant Fused Quartz Beads & Sand
- Sizing: 200 Mesh (75μm) to High-Caliber Spheres
- Purity: Low Alkali Metals, SiO₂ ≥ 99.9%
- Usage: Fluidized Beds, Chromatography & Casting
$50
MOQ: 1 piece
Standard
Stock Tubing
Standard Clear Round Fused Quartz Tubing
- Sizes: Full Inventory from 3mm to 300mm OD
- End Styles: Snap Cut, Ground Flat or Fire Glazed
- Compliance: RoHS, REACH & ISO 9001 Tested
$1 – $15
MOQ: 1 piece
Therapy
Acoustic Quartz
Chakra Tuned Fused Quartz Crystal Singing Bowl
- Tuning: 432Hz / 440Hz Standard Pitch
- Sizes: 6 Inches to 24 Inches Diameter
- Accessories: Mallet, O-Ring & Padded Heavy Case
$35 – $300
MOQ: 1 piece
Need Custom Dimensions or Fast Technical Advice?
Our engineering team in Donghai provides rapid DFM reviews and detailed quotations within one hour. Contact us directly with your drawings and specifications.