Ultra-Durable Crystal Clear Optical Glass for Superior Clarity

• Customization: Available
• Certification: CE, ISO, BV
• Application: Rubber, Plastic, Chemical, Construction, Metallurgy, Ceramic, Casting, Glass, Astronomy, Medicine, Biology, Communication, Milit
• Model NO.: RAY-LH20250807-7#
• Type: Corning Optical Substrate
• Substrate: Corning Ule-7972
• Stress Optical Coefficient: 4.15 (Nm/Cm)/(Kg/Cm2)
• Abbe Constant: 53.1
• Strain Point: 890 Celsuis Degrees
• Annealing Point: 1000 Celsuis Degrees
• Softening Point (Estimated): 1490 Celsuis Degrees
• Transport Package: Wood Case
• Specification: 1700mm*170mm
• Trademark: Corning
• Origin: USA
• HS Code: 2811229000
• Production Capacity: 100000kg Per Year

Product Description

General Introduction: Corning ULE 7972 Ultra Low Expansion Glass stands as a revolutionary titania silicate glass, celebrated for its unparalleled qualities that have made it the preferred material across a multitude of high-stakes applications. From the precision required in machine tool reference blocks to the demanding specifications of solid and lightweight mirror blanks for astronomical telescopes, ULE® is the unmatched choice. Its dominance extends into space satellite applications, while experts in the semiconductor industry hail ULE® as the definitive 'material of choice' for EUV applications, underscoring its vital role in cutting-edge technological advancements.

Products Name: Corning ULE 7972 Ultra Low Expansion Glass
Alias: Corning 7972, Corning 7972 glass, Corning 7972 low expansion glass, 7972 glass, ULE 7972, ULE 7972 glass, 7972 low expansion glass, etc.

Optical and Thermal Properties:
Optical Properties

Stress Optical Coefficient	4.15 (nm/cm)/(kg/cm3) [0.292(nm/cm)psi]
Abbe'Number(vd)	53.1
Refractive index (nominal CTE material)	nF (486 nm) 1.4892 nD (589 nm) 1.4828 nC (656 nm) 1.4801
dn/dt	20-40°C 10.68 x 10-6/°C 40-60°C 11.24 x 10-6/°C

Thermal Properties

Mean coefficient of thermal expansion 5ºC to 35ºC	0 ± 30 x 10-9/K [0 ± 30 ppb/ºC]
Thermal Conductivity (K)	1.31 w/(m • ºC) [1.13 kcal/(m • hr • ºC)]
Thermal diffusity (D)	0.0079 cm2/s
D.C. volume resistivity, 200ºC 100Hz (R)	10^11.6 ohm • cm
Mean specific heat (Cp)	767 J/ (kg • ºC) [0.183 cal/(g • ºC)]
Strain point	890ºC [1634 ºF]
Annealing point	1000ºC [1832 ºF]
Softening point	1490ºC [2714 ºF]

Mechanical Properties:
1). Poisson's ratio (v):0.17
2). Ultimate tensile stress (MOR):49.8 MPa [7220 psi]
3). Knoop Hardness, 200g load:460 kg/mm2
4). Density (p):2.21 g/cm3 [0.079 lbs./in3]
5). Specific stiffness (E/P):3.12 x 10⁶ m [1.23 x 10⁸ in.]
6). Shear Modulus (G):29.0 GPa [4.20 x 10⁶ psi]
7). Bulk Modulus (K): 34.1 GPa [4.95 x 10⁶ psi]
8). Elastic Modulus (E):67.6 GPa [9.80 x 10⁶ psi]

Chemical Durability:
1). Boasting exceptional resistance to weathering.
2). Impressively undisturbed by surface clouding or electrical surface leakage when challenged by water, sulfur dioxide, and atmospheric gases.
3). Exhibits formidable resistance to nearly all chemical agents, ensuring longevity and reliability in demanding conditions.

Main Applying Fields:

Applying Fields:	LCD TV, computer monitor Glass substrate of notebook computer Ceramic carriers and filters for mobile emission control systems Optical fiber, optical cable, hardware and equipment for communication network Optical biosensors for drug development Optics in semiconductors, aerospace, defense, astronomy and Metrology
*****

Matching Custom Manufacturing Service:
Our comprehensive services encompass Moulding, CNC Machining, Polishing, Particle Beam Processing, Magnetic Flux Conversion Processing, Grinding, Coating, Lightweighting, and Custom Shaping. We also offer Counterbores, Drilling & Coring, Edge & Bevel Polishing, 3D Contouring, Bevels & Chamfers, Steps & Slots, Laser Cutting & Marking, Metrology & Inspection, Precision Pitch Polishing, Double-Sided Polishing, Optical Assembly, Measuring, and more, enabling intricate customizations to meet your exact needs.
Matching Processing Equipments:
1). Single-side lapping and polishing machines
2). Double-sided polishing machines
3). Ring throwing machines
4). DMG five-axis five-linkage spherical milling machine
5). DMG Ultrasonic Machining Center: Dive into advanced precision with our state-of-the-art DMG Ultrasonic Machining Center, engineered for exceptional ultrasonic precision.
6). Super Large Scale Gantry CNC Machining Center (2.0*2.0m): Experience the power of monumental machining with our colossal gantry CNC center, designed to tackle grand projects with finesse.
7). Super Large Scale Surface Grinder (1.6m*1.6m): Achieve flawless finishes with our expansive surface grinder, perfect for handling extensive surfaces with meticulous care.
8). CNC Cutting Machines: Unlock precision cutting capabilities with our cutting-edge CNC machines, tailored for accurate and efficient material processing.
9). Thin Plate Cleaning Machines: Ensure pristine cleanliness with our specialized thin plate cleaning machines, crafted for delicate and thorough cleaning.
10). Ultrasonic Trough Cleaning Machines: Revolutionize your cleaning process with our ultrasonic trough machines, delivering deep and effective cleansing solutions.
11). Plane Interferometers: Elevate your optical measurements with our high-precision plane interferometers, designed for exceptional accuracy and reliability.
12). Two Dimensional Detectors: Capture comprehensive data with our sophisticated two-dimensional detectors, ideal for advanced analytical applications.
13). Ion Beam Polishing Machines: Achieve ultra-smooth surfaces with our ion beam polishing technology, engineered for superior optical finishes.
14). Magnetorheological Polishing Equipments: Experience cutting-edge polishing with our magnetorheological technology, ensuring unparalleled surface quality.

Main Cooperation Materials Manufacturers:
CORNING, OHARA, SCHOTT, LEONI, AGC, HELLMA, NIKON, VITRON, C-LASER, ETC: Collaborate with industry leaders for superior materials and solutions.

Main Export Countries & Areas:
USA, UK, Japan, Germany, Spain, France, Swiss, Korea, Russia, Pakistan, India, Portugal, Canada, New Zealand, Australia, Saudi Arab, Turkey, Finland, Poland, etc.: Expanding our global reach with a diverse international presence.


Raytekoptics Extra Value Added Services Offered:
1). Optical Workcraft & Process Solution Design: Tailored solutions for your optical needs, ensuring innovation and efficiency.
2). Rough Processing Raw Materials: Expert handling of raw materials to meet your specific project requirements.
3). Semi-Finishing Raw Materials: Advanced processing to bring raw materials to near-completion with precision.
4). Fabricate Custom Sizes and Shapes: Custom fabrication to create unique solutions tailored to your specifications.
5). Design and Supply Custom Coatings: Enhance your optical components with bespoke coatings designed for optimal performance.
6). Modify and Resurface Customer Supplied Materials: Expertise in modifying and resurfacing to elevate your materials' functionality.
7). Drill Holes, Notch Glass and Provide Beveled Substrates: Specialized services to meet the most intricate design requirements.
8). Precision Polish Optics with Non-Standard Aspect Ratios: Delivering exceptional polish for optics of all shapes and sizes.

Payment Method: By T/T or Western Union: Convenient and secure payment options tailored for your ease.
Delivery Time: 7-10 days: Swift and reliable delivery to ensure your projects run smoothly.
Quality Warranty: Ruitaiphotoelectric (Raytekoptics) Offers Quality warranty for our optics products with '3R' policy--Return, Replace & Refund Policy: Assurance of excellence with our comprehensive warranty policy.
For any inferior-quality products, Ruitaiphotoelectric (Raytekoptics) is responsible for return, replacement and refund: Commitment to quality and customer satisfaction guaranteed.
General Introduction: Corning ULE 7972 Ultra Low Expansion Glass is a titania silicate glass with unique characteristics that have made it the material of choice in applications ranging from machine tool reference blocks to solid and lightweight mirror blanks for astronomical telescopes and space satellite applications. Experts in the semiconductor industry have identified ULE® as a 'material of choice' for EUV applications: Discover the superior performance and reliability of Corning ULE 7972, a glass that sets the standard in high-precision applications.

Products Name: Corning ULE 7972 Ultra Low Expansion Glass: Embrace unparalleled stability and precision with Corning's premier glass solution.
Alias: Corning 7972, Corning 7972 Glass, Corning 7972 Low Expansion Glass, 7972 Glass, ULE 7972, ULE 7972 Glass, 7972 Low Expansion Glass, etc.: Numerous identifiers for a single, exceptional material.

Optical and Thermal Properties:
Optical Properties: Discover the clarity and precision of our outstanding optical characteristics.

Stress Optical Coefficient	4.15 (nm/cm)/(kg/cm3) [0.292(nm/cm)psi]
Abbe'Number(vd)	53.1
Refractive index (nominal CTE material)	nF (486 nm) 1.4892 nD (589 nm) 1.4828 nC (656 nm) 1.4801
dn/dt	20-40°C 10.68 x 10-6/°C 40-60°C 11.24 x 10-6/°C

Thermal Properties: Experience minimal thermal expansion and high-performance stability.

Mean coefficient of thermal expansion 5ºC to 35ºC	0 ± 30 x 10-9/K [0 ± 30 ppb/ºC]
Thermal Conductivity (K)	1.31 w/(m • ºC) [1.13 kcal/(m • hr • ºC)]
Thermal diffusity (D)	0.0079 cm2/s
D.C. volume resistivity, 200ºC 100Hz (R)	10^11.6 ohm • cm
Mean specific heat (Cp)	767 J/ (kg • ºC) [0.183 cal/(g • ºC)]
Strain point	890ºC [1634 ºF]
Annealing point	1000ºC [1832 ºF]
Softening point	1490ºC [2714 ºF]

Mechanical Properties:
1). Poisson's Ratio (v):0.17: Ensuring reliable structural integrity and resilience.
2). Ultimate Tensile Stress (MOR):49.8 MPa [7220 psi]: Remarkable strength under tension, ensuring durability and performance.
3). Knoop Hardness, 200g load:460 kg/mm² - Experience the robust resilience of our materials, engineered for superior durability.
4). Density (p):2.21 g/cm³ [0.079 lbs./in³] - Carefully balanced to provide optimal performance in all conditions.
5). Specific stiffness (E/P):3.12 x 10⁶ m [1.23 x 10⁸ in.] - Fine-tuned for exceptional stability and structural integrity.
6). Shear Modulus (G):29.0 GPa [4.20 x 10⁶ psi] - Withstand and adapt to various forces with ease.
7). Bulk Modulus (K): 34.1 GPa [4.95 x 10⁶ psi] - Designed to endure pressure with superior capacity.
8). Elastic Modulus (E):67.6 GPa [9.80 x 10⁶ psi] - Ensures flexibility and strength in every application.

Chemical Durability:
1). Excellent resistance to weathering - Unmatched protection against the elements, ensuring longevity.
2). Exhibits virtually no surface clouding or electrical surface leakage when subject to attack by water, sulfur dioxide, and atmospheric gases - A testament to its purity and resilience.
3). High resistance to attack by nearly all chemical agents - Engineered for enduring strength against corrosive substances.

Main Applying Fields:

Applying Fields:	LCD TV, computer monitor Glass substrate of notebook computer Ceramic carriers and filters for mobile emission control systems Optical fiber, optical cable, hardware and equipment for communication network Optical biosensors for drug development Optics in semiconductors, aerospace, defense, astronomy and Metrology
*****

Matching Custom Manufacturing Service: Tailored to perfection, our service includes:
Including Moulding, CNC machining, Polishing, Particle beam processing, Magnetic flux conversion processing, Grinding, Coating, Lightweighting, Custom Shaping, Counterbores, Drilling & Coring, Edge & Bevel Polishing, 3D Contouring, Bevels & Chamfers, Steps & Slots, Laser Cutting & Marking, Metrology & Inspection, Precision Pitch Polishing, Double-Sided Polishing, Optical Assembly, Measuring, etc. - Comprehensive solutions for every precision requirement.
Matching processing equipments; Crafted for excellence, our equipment lineup includes:
1). Single side lapping and polishing machines - Precision-engineered for flawless finishes.
2). Double sided polishing machines - Dual-action precision for impeccable results.
3). Ring throwing machines - Innovative technology for superior craftsmanship.
4). DMG five-axis five-linkage spherical milling machine - Advanced machinery for intricate detailing.
5). DMG ultrasonic machining center - Cutting-edge precision for high-performance results.
6). Super large scale gantry CNC machining center (2.0*2.0m) - Vast capability for large-scale projects.
7). Super large scale surface grinder (1.6m*1.6m) - Unparalleled precision in surface treatment.
8). CNC cutting machines - Precise, reliable cutting for every need.
9). Thin plate cleaning machines - Meticulous cleaning solutions for delicate materials.
10). Ultrasonic trough cleaning machines - Advanced cleaning power for superior purity.
11). Plane interferometers - Precision instrumentation for exacting standards.
12). Two dimensional detectors - Cutting-edge technology for comprehensive detection.
13). Ion beam polishing machines - State-of-the-art polishing for brilliant finishes.
14). Magnetorheological polishing equipments - Innovative materials processing for perfect surfaces.

Main Cooperation Materials Manufacturers: Collaborating with the industry's finest:
CORNING, OHARA, SCHOTT, LEONI, AGC, HELLMA, NIKON, VITRON, C-LASER, ETC. - Trusted partners for exceptional material quality.

Main Export Countries & Areas: Proudly connecting with global markets:
USA, UK, Japan, Germany, Spain, France, Swiss, Korea, Russia, Pakistan, India, Portugal, Canada, New Zealand, Australia, Saudi Arabia, Turkey, Finland, Poland, etc. - Expanding horizons across continents.

Raytekoptics Extra value added services offered: Enhancing your experience with superior services.
1). Expertly crafted optical workcraft and meticulously designed process solutions tailored to meet the highest standards.
2). High-quality rough processing of raw materials, ensuring a solid foundation for all optical applications.
3). Precision semi-finished raw materials crafted to exact specifications for further optical refinement.
4). Custom fabrication of sizes and shapes to meet your unique optical requirements with precision.
5). Innovative design and supply of custom coatings for enhanced optical performance and durability.
6). Professional modification and resurfacing of customer-supplied materials for upgraded performance.
7). Expert drilling, notching, and provision of beveled substrates for exceptional optical detailing.
8). Precision polishing of optics featuring non-standard aspect ratios, achieving unparalleled clarity and quality.

Payment Method: Convenient options include T/T or Western Union for seamless transactions.
Delivery time: Prompt and reliable delivery within 7-10 days to ensure timely access to your products.
Quality Warranty: Ruitaiphotoelectric (Raytekoptics) stands behind its products with a robust quality warranty. Enjoy the peace of mind offered by our '3R' policy - return, replace, and refund assurance.
Ruitaiphotoelectric (Raytekoptics) unwaveringly commits to handling any inferior-quality products through returns, replacements, and refunds.