Premium Ohara Quartz Crystal for Exceptional Clarity and Performance

• Customization: Available
• Certification: CE, ISO, BV
• Application: Rubber, Plastic, Chemical, Construction, Metallurgy, Ceramic, Casting, Glass, Astronomy, Medicine, Biology, Communication, Milit
• Model NO.: RAY-XS262#
• Type: Ohara Optical Substrate
• Substrate: Ohara Sk-1320 Fused Silica
• Bubbles: 0-0.03mm2/100cm3
• Striae: Grade a in One Direction(as Per Mil-G-174)
• Birefrengence(Strain): 1d Is Less Than 10
• Coefficient of Thermal Expansion: 5.5*10(-7)
• Transport Package: Wood Case
• Specification: D900mm*(H)100mm
• Trademark: Ohara
• Origin: Japan
• HS Code: 2811229000
• Production Capacity: 100000kg Per Year

Product Description

General Introduction:
SK-1320 series of Ohara Quartz is a synthetic fused silica for the optics developed as the fused silica material for precise various optical components for the optics application and the high-power laser.
SK-1321(abbr.U1),-1322(abbr.U2) is guaranteed the homogeneity each in one direction and three directions.

Products Name: OHARA SK-1320 synthetic fused silica
Alias: OHARA SK-1320 glass, Ohara SK-1320 fused silica, Ohara SK-1320, Ohara SK-1320 VAD fused silica, Ohara SK-1320 synthetic fused silica, Ohara SK-1320 optical glass, OHARA SK-1320 quartz glass, SK-1320 Ohara fused silica, SK-1320 Ohara quartz, etc

Main Characteristics:

Serial Models	Max. size (mm)	Homogeneity^*2
SK-1320L	600	-
SK-1321(U1)	250	1D2×10^-6
SK-1321L(U1L)	250	1D2×10^-6
SK-1322(U2)	250	3D2×10^-6
SK-1322L(U2L)	150	3D2×10^-6
SK-1300^*5	600	-
SK-1310^*5	600	-

Optical Qualities:

Item	Grade
Bubbles	0-0.03mm^2/100cm^3
Striae	Grade A in one direction(As per Mil-G-174)
Birefrengence(Strain)
SK-1320L	1D10
SK-1321(U1)	1D3
SK-1321L(U1L)	1D3
SK-1322(U2)	3D3
SK-1322L(U2L)	3D3
SK-1300^*5	1D10
SK-1310^*5	1D10

Physical Properties:

Item	Unit	Value
Density	g/cm^3	2.20
Yong's Module	GPa	71.4
Poisson's ratio		0.17
Compression strength	GPa	1.1
Bending strength	MPa	69
Tensile strength	MPa	55
Torsional rigidity	GPa	30.9
Vickers hardness	GPa	8.8-10.1
Knoop hardness	Kg/mm^2	6.4-7.0
Coefficient of thermal expansion	cm/cmºC	5.5*10^-7
Softening point	ºC	1700
Annealing point	ºC	1160
Strain point	ºC	1060
Specific heat(26ºC)	kJ/kgK	0.74
Thermal conductivity ratio(26ºC)	cal/cm.sec.ºC	1.1
Thermal conductivity ratio(100ºC)	Cal/cm.sec.ºC	1.1

Main Applying Fields:

Applying Fields:	Optical Lens Optical Window Optical Mirror Optical Prism Optical Filters Optical Corner Cube Optical Beam Splitter Etalons Optical Brewster Optical Flat Optical High-power laser.
*****	other

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

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.