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Fused Silica Glass/Fused Silica High Homogeneity Fused Silica/Hpfs Fused Silica/Synthetic Fused Silica
Fused Silica Glass/Fused Silica High Homogeneity Fused Silica/Hpfs Fused Silica/Synthetic Fused Silica
Fused Silica Glass/Fused Silica High Homogeneity Fused Silica/Hpfs Fused Silica/Synthetic Fused Silica
Fused Silica Glass/Fused Silica High Homogeneity Fused Silica/Hpfs Fused Silica/Synthetic Fused Silica
Fused Silica Glass/Fused Silica High Homogeneity Fused Silica/Hpfs Fused Silica/Synthetic Fused Silica
Fused Silica Glass/Fused Silica High Homogeneity Fused Silica/Hpfs Fused Silica/Synthetic Fused Silica

Fused Silica Glass/Fused Silica High Homogeneity Fused Silica/Hpfs Fused Silica/Synthetic Fused Silica

Min.Order: 1
Product origin: Shanghai, China
Infringement complaint: complaintComplaint
US$ 600 ~ 750

Description
General Introduction:
It is a high purity, noncrystalline silica glasses that combine a very low thermal expansion coefficient with excellent optical qualities and exceptional transmittance. Characteristics include homogeneity, low birefringence and outstanding transmittance in the DUV, UV, visible, and infrared ranges.
this HPFS Fused Silica glasses are known throughout the industry for their consistent, repeatable performance. We offer many different grades of fused silica to support various product applications. Glass codes 7979 is high purity non-crystalline silica glasses with excellent optical qualities. Product characteristics include extraordinarily low refractive index variations leading to state-of-the-art homogeneity values, low birefringence values, large size capabilities, exceptional transmittance from the deep ultraviolet through the infrared region, and an ultra-low thermal expansion coefficient; all of which are critical to our customers demanding needs

Products Name: High Homogeneity Fused Silica Glass


Optical and Thermal Properties:
Glass Code:7979Viscosity
Softening Point*1627 ˚C107.6 poises
Annealing Point*1180 ˚C1013 poises
Strain Point*1068 ˚C1014.5 poises
Specific Heat 0.770 J/(g K)
Thermal Conductivity 1.38 W/(m K)
Thermal Diffusivity 0.0075 cm2/s
Thermal Expansion** (ppm/C):
5 ˚C to 35 ˚C0.52 x 10-6
0 ˚C to 200 ˚C0.57 x 10-6
-100 ˚C to +200 ˚C0.48 x 10-6
ASTM Procedures - *C-598, **E-228

Mechanical Properties:
Unless otherwise stated, all values @ 25 °C
Elastic (Young's) Modulus73 GPa
Shear Modulus31 GPa
Modulus of Rupture, abraded52.4 MPa
Bulk Modulus35.9 GPa
Poisson's Ratio0.16
Density2.20 g/cm3
Knoop Hardness (100g load)522 kg/mm2
Tensile Strength54 MPa
Compressive Strength1.14 GPa

HPFS Data and Properties:
Grade7979 IR Grade;
Inclusion Class0, 1, 2
Homogeneity GradeAA, A, C, F
Birefringence
Lower specifications
available upon request[nm/cm]		≤ 5
Striae ISO 10110-4 Class5
Metallic Impurities [ppb]< 100
OH Content [ppm]< 1

Main Applying Fields:
Applying Fields:Application of microlithography
Lithography lens,
Photomask substrate
Deep ultraviolet laser element
Optical standard parts
Excimer laser optics
Lithographic optics
Beam transmission element
Light guide
Laser fusion
Application of various aerospace technologies
***** 

Matching Custom Manufacturing Serivce:
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.
Matching processing equipments;
1).Single side lapping and polishing machines
2).Duble 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)
7).Super large scale surface grinder (1.6m*1.6m)
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 equipments

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.

Raytekoptics Extra value added services offered:
1). Optical workcraft & process solution design;
2). Rough processing raw materials;
3). Semi finishing raw materials;
4). Fabricate custom sizes and shapes;
5). Design and supply custom coatings;
6). Modify and resurface customer supplied materials;
7). Drill holes, notch glass and provide beveled substrates;
8). Precision polish optics with non-standard aspect ratios;

Payment Method: by T/T or Western Union.
Delivery time: 7-10 days.
Quality Warranty: Ruitaiphotoelectric(Raytekoptics) offers quality warranty for our optics products with "3R" policy--return, replace & refund policy.
For any inferior-quality products, Ruitaiphotoelectric(Raytekoptics) is responsible for return, replacement and refund.
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