Premium Optical Glass for Unmatched Clarity and Precision

• Customization: Available
• Certification: CE, ISO, BV
• Application: Rubber, Plastic, Chemical, Construction, Metallurgy, Ceramic, Casting, Glass, Astronomy, Medicine, Biology, Communication, Milit
• Model NO.: RAY-LH20250807-6#
• 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 is a marvel of titania silicate glass technology, celebrated for its unparalleled capabilities. It stands as the hallmark choice for diverse applications, ranging from precision machine tool reference blocks to solid and lightweight mirror blanks that are essential for astronomical telescopes and advanced space satellite projects. In the semiconductor world, ULE® has been distinguished by experts as the 'material of choice' for cutting-edge EUV applications.

Products Name: Corning ULE 7972 Ultra Low Expansion Glass
Alias: Known under numerous appellations such as Corning 7972, Corning 7972 glass, Corning 7972 low expansion glass, 7972 glass, ULE 7972, ULE 7972 glass, and 7972 low expansion glass, among others.

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). Boasts exceptional resistance to weathering, ensuring longevity and reliability in diverse environments.
2). Demonstrates almost no surface clouding or electrical surface leakage even when exposed to aggressive elements like water, sulfur dioxide, and various atmospheric gases.
3). Offers high resistance against nearly all chemical agents, safeguarding its integrity in challenging 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 suite of services includes expert Moulding, precision CNC machining, meticulous Polishing, advanced Particle beam processing, and Magnetic flux conversion processing. We also offer specialized Grinding, Coating, Lightweighting, Custom Shaping, and a range of detailed processes like Counterbores, Drilling & Coring, Edge & Bevel Polishing, 3D Contouring, Bevels & Chamfers, Steps & Slots. Additionally, we provide Laser Cutting & Marking, Metrology & Inspection, Precision Pitch Polishing, Double-Sided Polishing, and expert Optical Assembly and Measuring.
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
6). Super Large Scale Gantry CNC Machining Center (2.0*2.0m) Discover the colossal power and precision of our Super Large Scale Gantry CNC Machining Center, engineered for unparalleled accuracy in extensive machining tasks.
7). Super Large Scale Surface Grinder (1.6m*1.6m) Experience superior surface refinement with our expansive Surface Grinder, designed to deliver exceptional results on large-scale surfaces.
8). CNC Cutting Machines Precision and efficiency harmonized in our advanced CNC Cutting Machines, perfect for cutting-edge manufacturing solutions.
9). Thin Plate Cleaning Machines Achieve immaculate cleanliness with our Thin Plate Cleaning Machines, ensuring your materials are spotless and ready for the next stage.
10). Ultrasonic Trough Cleaning Machines Harness the power of ultrasonic technology with our Trough Cleaning Machines for deep and thorough cleansing.
11). Plane Interferometers Explore the precision of Plane Interferometers, the cornerstone of accurate optical measurements for your high-tech requirements.
12). Two Dimensional Detectors Step into the future of precision detection with our state-of-the-art Two Dimensional Detectors.
13). Ion Beam Polishing Machines Achieve unparalleled smoothness with our Ion Beam Polishing Machines, designed for exceptional surface finish excellence.
14). Magnetorheological Polishing Equipments Revolutionize your polishing processes with our Magnetorheological Polishing Equipment for precise and efficient material refinement.

Main Cooperation Materials Manufacturers: Collaborate with the industry's elite, including
CORNING, OHARA, SCHOTT, LEONI, AGC, HELLMA, NIKON, VITRON, C-LASER, ETC Our strategic partnerships with leading manufacturers ensure top-tier materials for your projects.

Main Export Countries & Areas: Expanding our global footprint with exports to key markets:
USA, UK, Japan, Germany, Spain, France, Swiss, Korea, Russia, Pakistan, India, Portugal, Canada, New Zealand, Australia, Saudi Arab, Turkey, Finland, Poland, etc. Join our extensive network and experience our commitment to excellence, worldwide.


Raytekoptics Extra Value Added Services Offered: Unlock new possibilities with our comprehensive service suite, including:
1). Optical Workcraft & Process Solution Design; Tailored solutions to optimize your optical processes from inception to execution.
2). Rough Processing Raw Materials; Efficiently process raw materials to meet your initial specification requirements.
3). Semi Finishing Raw Materials; Precision in preparing semi-finished materials, bridging to the final product seamlessly.
4). Fabricate Custom Sizes and Shapes; Custom fabrication to meet your unique design and dimensional needs.
5). Design and Supply Custom Coatings; Enhance performance with our innovative coating solutions tailored to your specifications.
6). Modify and Resurface Customer Supplied Materials; Refinement and resurfacing services to elevate the quality of your materials.
7). Drill Holes, Notch Glass, and Provide Beveled Substrates; Precision glass drilling and notching to enhance your product's functionality.
8). Precision Polish Optics with Non-Standard Aspect Ratios; Meticulous polishing for optics, even with challenging aspect ratios.

Payment Method: Convenient transactions with choices of by T/T or Western Union. Secure and seamless payment options tailored for your convenience.
Delivery Time: Remarkable efficiency with a swift turnaround of 7-10 days. Quick delivery to keep your projects on schedule.
Quality Warranty: We stand by our products with a robust Ruitaiphotoelectric (Raytekoptics) offers quality warranty for our optics products with "3R" policy--Return, Replace & Refund Policy. Assurance of quality and satisfaction with our comprehensive warranty coverage.
For any inferior-quality products, Ruitaiphotoelectric (Raytekoptics) is responsible for return, replacement and refund. Your satisfaction is our priority, addressing any quality concerns with prompt action.
General Introduction: Corning ULE 7972 Ultra Low Expansion Glass is a remarkable titania silicate glass offering unmatched stability and precision. Corning ULE 7972 Ultra Low Expansion Glass is a titania silicate glass with unique characteristics that has 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 semi-conductor industry have identified ULE® as a "material of choice" for EUV applications. Esteemed across industries for its extraordinary properties, ULE 7972 is pivotal in high-stakes applications, ensuring precision and reliability.

Products Name: Introducing the celebrated Corning ULE 7972 Ultra Low Expansion Glass A pinnacle of material innovation renowned for its ultra-low thermal expansion qualities.
Alias: Corning 7972, Corning 7972 Glass, Corning 7972 Low Expansion Glass, 7972 Glass, ULE 7972, ULE 7972 Glass, 7972 Low Expansion Glass, etc. Recognizable under several names, this glass is synonymous with superior performance and innovation.

Optical and Thermal Properties: Explore the exceptional properties that make Corning ULE 7972 indispensable for precision optics applications.
Optical Properties Delve into the superior optical attributes that elevate your projects to new heights.

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 Engineered for stability, showcasing thermal excellence unmatched by ordinary materials.

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: Critical specifications that define the robustness and reliability of Corning ULE 7972.
1). Poisson's Ratio (v): A measure of material's mechanical behaviour.0.17 Demonstrating the resilience and adaptability of the glass under stress.
2). Ultimate Tensile Stress (MOR): A testament to its strength and durability.49.8 MPa [7220 psi] Exhibiting formidable tensile capabilities for demanding applications.
3). Knoop Hardness, 200g Load: Ensuring hardness that supports longevity and endurance.460 kg/mm²
4). Density (ρ):2.21 g/cm³ [0.079 lbs./in³]
5). Specific stiffness (E/ρ):3.12 x 10 m [1.23 x 10 in.]
6). Shear Modulus (G):29.0 GPa [4.20 x 10 psi]
7). Bulk Modulus (K): 34.1 GPa [4.95 x 10 psi]
8). Elastic Modulus (E):67.6 GPa [9.80 x 10 psi]

Chemical Durability:
1). Offers exceptional resistance to weathering.
2). Almost no surface clouding or electrical surface leakage under attack from water, sulfur dioxide, and atmospheric gases.
3). Exhibits superior resistance to nearly all chemical agents.

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 services include Moulding, CNC machining, Polishing, Particle beam processing, and Magnetic flux conversion processing. We specialize in Grinding, Coating, Lightweighting, and Custom Shaping. Additional capabilities include 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.
Matching processing equipment:
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
6). Super large scale gantry CNC machining center (2.0 x 2.0 m)
7). Super large scale surface grinder (1.6 m x 1.6 m)
8). CNC cutting machines
9). Thin plate cleaning machines
10). Ultrasonic trough cleaning machines
11). Plane interferometers
12). Two dimensional detectors
13). Ion beam polishing machines
14). Magnetorheological polishing equipment

Main Cooperation Materials Manufacturers:
CORNING, OHARA, SCHOTT, LEONI, AGC, HELLMA, NIKON, VITRON, C-LASER, etc.

Main Export Countries & Areas:
USA, UK, Japan, Germany, Spain, France, Switzerland, Korea, Russia, Pakistan, India, Portugal, Canada, New Zealand, Australia, Saudi Arabia, Turkey, Finland, Poland, and others.

Raytekoptics offers extra value-added services:
1). Masterfully crafting optical components with precision workcraft and meticulously tailored process solutions;
2). Expert handling of raw materials, ensuring impeccable rough processing;
3). Delivering superior semi-finished raw materials, setting a high standard in quality and consistency;
4). Creating custom sizes and shapes with the utmost precision, tailored to your precise specifications;
5). Innovatively designing and supplying custom coatings that perfectly meet your unique requirements;
6). Expert modification and resurfacing of customer-supplied materials, enhancing their functionality and performance;
7). Precision drilling, notching, and beveling of substrates to meet the most exacting standards;
8). Meticulously precision-polishing optics, even with non-standard aspect ratios, to achieve flawless results;

Payment Method: Conveniently done via T/T or Western Union;
Delivery time: Swift and reliable, within 7-10 days;
Quality Warranty: Ruitaiphotoelectric (Raytekoptics) proudly stands by our optics with a comprehensive quality warranty, featuring our exceptional '3R' policy-Return, Replace & Refund.
For any product failing to meet our high standards, Ruitaiphotoelectric (Raytekoptics) will responsibly handle return, replacement, and refund with utmost care.