Start with the operating requirement
Use wavelength, temperature, thermal cycling, chemicals, dimensional stability and mechanical exposure to narrow the material family.
Material Category
Low-Expansion Glass & Glass-Ceramics
Low-Expansion Glass & Glass-Ceramics supplied and processed by ANTGLASS for mirror and optical substrates, metrology plates and reference structures, lithogr…
How to Choose
Choose the Material from Performance, Grade and Finished-Part Requirements
The category owns broad material-family and comparison terms. Named grades and distinct material families keep their own detail pages.
Compare named grades separately
Keep manufacturer, grade, test condition and source attached to each value instead of mixing family-level and grade-level data.
Confirm the starting form
Check sheet, plate, wafer, block, tube or rod availability together with thickness and usable blank size before finalizing the drawing.
Connect material to the finished part
The final selection must also support cutting, machining, polishing, cleaning, coating, inspection and packaging requirements.
Supply Forms
Confirm the Starting Form and Thickness
Available form and usable size must be confirmed for the named material and order.
Precision blanks and mirror substratesclass and homogeneity by orderCut blanksWindows and platesDiscs, rings or wafersDrawing-based finished componentsBoules, mirror blanks, lightweight structures and EUV substratesSlabs, rods and machined complex parts
Application Direction
Match the Material to the Service Environment
The application narrows optical, thermal, chemical, surface and process requirements.
Mirror and optical substratesMetrology plates and reference structuresLithography and precision stagesThermally stable equipment partsVacuum and electrical insulation componentsMachined technical fixtures
Material Comparison
Compare the Named Materials and Material Families
Exact values remain attached to the named grade, manufacturer, unit, test condition and source. Family pages explain selection direction without mixing grade data.
| Material | Material type | Optical properties | Thermal properties | Available forms |
|---|---|---|---|---|
| SCHOTT ZERODUR Glass-Ceramic | ZERODUR: Near-zero-expansion glass-ceramic | Internal transmission 0.95 at 580 nm / 5 mm; 0.90 / 10 mm | Class 1: 0 +/-0.050; Class 0: 0 +/-0.020 x 10^-6/K, 0-50 C | Precision blanks and mirror substrates; class and homogeneity by order |
| Corning ULE 7972 Glass | ULE 7972: Titania-silicate ultra-low-expansion glass | Primarily selected as reflective-optic substrate | 0 +/-30 ppb/K over 5-35 C reference specification | Boules, mirror blanks, lightweight structures and EUV substrates |
| MACOR Machinable Glass-Ceramic | MACOR: Machinable mica glass-ceramic | Opaque white engineering ceramic | 9.3 x 10^-6/C, 25-300 C | Slabs, rods and machined complex parts |
Reference boundary: Published values remain attached to the named grade, source and test condition. ANTGLASS processing is specified separately by the finished-part drawing.
All Materials
Open Every Material Included in This Category
Use the material page for grade identity, properties, supply forms, applications, related products and processing requirements.
SCHOTT ZERODUR Glass-Ceramic
SCHOTT ZERODUR Glass-Ceramic supplied and processed by ANTGLASS for telescope mirrors, metrology, stages, lithography. Compare source-linked properties, avai… View details →
Corning ULE 7972 Glass
Corning ULE 7972 Glass supplied and processed by ANTGLASS for euv lithography, telescope mirrors, gratings, metrology references. Compare source-linked prope… View details →
MACOR Machinable Glass-Ceramic
MACOR Machinable Glass-Ceramic supplied and processed by ANTGLASS for electrical insulators, vacuum parts, fixtures, aerospace. Compare source-linked propert… View details →
Recommended Products
Products Commonly Manufactured from This Material Family
The relationship provides a selection route. Final grade, geometry, surface and inspection requirements remain project-specific.
Glass Substrates
Precision glass substrates for optical coatings, sensors, MEMS, electronics and scientific applications, supplied or processed to drawing. View details →
Custom-Shaped Precision Glass Parts
Drawing-based irregular glass parts with holes, slots, notches, contours, chamfers and customer-specific dimensions. View details →
Drilled & Slotted Glass Parts
ANTGLASS manufactures drilled and slotted glass parts for mounting, fluid paths, electrical access and precision integration from customer drawings. View details →
Glass Discs, Rings & Spacers
Round discs, annular rings, washers and spacer components for optical, sensor, laboratory and equipment assemblies. View details →
Related Processing
Continue to Material-Specific Manufacturing Routes
These keyword-mapped pages explain cutting, drilling, grinding, polishing and feature-feasibility considerations for related material and component routes.
Applications & Solutions
Connect the Category to the Operating Requirement
Use application pages for system context and Solution pages for project-level manufacturing, material and supply decisions.
Related Applications
Related Solutions
Glass Material Selection & Substitution
Compare glass families and supply alternatives using optical, thermal, mechanical, dimensional and machining requirements. View details →
Custom Precision Glass Fabrication
Drawing-driven precision glass fabrication covering cutting, CNC machining, holes, slots, edge finishing, cleaning and inspection. View details →
High-Temperature & Chemical-Resistant Glass Solutions
Material and component selection for projects requiring verified thermal, thermal-shock and chemical-durability performance. View details →
Technical Guides
Continue to Material Selection and Design Guidance
Use the linked technical pages to compare materials, prepare drawings and define tolerances, inspection and RFQ information.
Frequently Asked Questions
Selection and RFQ Questions for This Category
Use these answers to prepare the material, component, drawing and inspection requirements before quotation.
What is glass ceramics?
Low-expansion glasses and glass-ceramics are selected for dimensional stability, metrology, mirror substrates and precision structures. ANTGLASS supplies and processes ZERODUR, ULE 7972 and MACOR into drawing-based blanks and components.
Which grades are included in Low-Expansion Glass & Glass-Ceramics?
The category includes SCHOTT ZERODUR Glass-Ceramic, Corning ULE 7972 Glass, MACOR Machinable Glass-Ceramic. Each grade has a separate page so that values and sources are not mixed.
Which properties matter when selecting Low-Expansion Glass & Glass-Ceramics?
Review wavelength or transmission, refractive properties where relevant, CTE, temperature, chemical durability, hardness, thickness, starting form, geometry and finished-surface requirements.
What products can ANTGLASS manufacture from Low-Expansion Glass & Glass-Ceramics?
ANTGLASS supplies and processes these materials into Glass Substrates, Custom-Shaped Precision Glass Parts, Drilled & Slotted Glass Parts, Glass Discs, Rings & Spacers and other drawing-based components.
What should a Low-Expansion Glass & Glass-Ceramics RFQ include?
Provide the preferred grade or target properties, drawing, dimensions, functional surfaces, environment, quantity, inspection, cleaning and packaging requirements.
Drawing / Material Review
Request Low-Expansion Glass & Glass-Ceramics for Your Project
Send the drawing, target material or performance requirements, dimensions, quantity and inspection criteria.