ROGW101, Round K9 Optical Glass Plates Wafer, 0.2-30mm Thickness, 2-100mm OD

Material: K9 Optical Glass
Temperature Resistance:<350℃
Transmittance: 330-800nm, >90%
Including: 1pc/ea

$3.00$83.00

Specifications

These items are made of K9 Optical Glass, it has excellent light transmission performance at 330-800nm.

ItemL/W < 50mm50mm < L/W < 100mmL/W > 100mm
Dimension Tolerance+0.00/-0.05mm+0.00/-0.05mm+0.00/-0.05mm
Thickness Tolerance±0.05mm±0.05mm±0.05mm
Surface Quality20-40nm20-40nm20-40nm
Surface Parallelism<0.01mm<0.02mm<0.05mm
This precision applies to K9 Optical Glass Sheets

K9-spectrogram

Properties of K9 Optical Glass

K9 optical glass has excellent mechanical properties, no bubbles in the glass, no impurities, with good scratch resistance. Its chemical properties are stable, and it can be ground and polished twice according to the actual needs of users.

The products are widely used in photographic equipment, instrumentation, optical instruments, medical instruments, teaching instruments, slide projector, projector, ultraviolet analyzer, special lamps, military, digital products lens and other high-end optical instruments.

Optical Properties of K9 Optical Glass

Optical PropertiesStandard Value
Refractive Index1.5168
Abbe Number64.06

Chemical Properties of K9 Optical Glass

Chemical PropertiesStandard Value
Hydrolysis ResistanceSecond Order
Acid ResistanceFirst Order
Alkali ResistanceSecond Order

Thermal Properties of K9 Optical Glass

Thermal PropertiesStandard Value
Softening Point719℃
Annealing Point657℃
Strain Point624℃
Thermal Conductivity1.1W/m.℃
Specific Heat879J/kg.℃
Thermal Coefficient of Expansion7.1×10Eˉ⁶/K

Physical Properties of K9 Optical Glass

Physical PropertieStandard Value
Density2.517g/cm³
Knoop hardness(HK 100)610kg/mm²
Young modulus(E)82×103kN/mm²
Poisson ratio(μ)0.21

 

Optical Glass Use Instructions

1. Quartz glass products are valuable materials and must be handled with great care when used

2. All kinds of glass have the highest use temperature, which should not be exceeded when used, otherwise it will crystallize, or soften and deform.

3. Quartz glass that needs to be used at high temperatures must be wiped clean before use. Can be soaked with 10% hydrofluoric acid or lotion. Then wash with high-purity water or alcohol. Wear fine thread gloves during operation. Do not touch the quartz glass directly with your hands

4. Allow continuous use of glass products at high temperatures, which is good for extending the life of glass and improving high-temperature resistance. On the contrary, the intermittent use of quartz glass products at high temperatures has a limited number of uses.

5. Although the use of glass material has strong thermal stability, it can withstand severe temperature differences, but in actual use, due to the residual strain and the shape of the product, the thermal stability has a certain difference. Be careful when using.

6. Quartz glass coefficient acidic materials, high-temperature use strictly avoid contact with alkaline substances (such as water glass, asbestos, potassium and sodium compounds, etc.), otherwise it will greatly reduce its crystallization resistance.

Weight N/A
Size

φ2mm×2mm, φ6mm×0.5mm, φ6mm×10mm, φ6.2mm×1mm, φ6.6mm×1.2mm, φ8mm×1mm, φ10mm×0.3mm, φ10mm×1mm, φ10mm×2mm, φ10.9mm×1.5mm, φ11mm×0.7mm, φ11mm×1mm, φ12mm×0.2mm, φ12mm×1mm, φ14mm×1mm, φ14.5mm×2mm, φ15mm×1mm, φ16mm×1mm, φ20mm×1mm, φ21.5mm×1mm, φ22mm×2mm, φ25mm×1mm, φ25.4mm×3mm, φ30mm×1mm, φ30mm×3mm, φ30mm×30mm, φ36mm×1mm, φ40mm×2mm, φ40mm×30mm, φ50mm×1mm, φ50mm×2mm, φ50mm×3mm, φ50.8mm×10mm, φ77mm×3mm, φ80mm×3mm, φ84mm×1mm, φ100mm×3mm

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Optical Quartz/Glass Plates Custimized Service

In addition to the quartz/glass sheets sold on our website, we can also customize according to your requirements, our regular customization standards are as follows

ItemL/W < 50mm50mm < L/W < 100mmL/W > 100mm
Dimension Tolerance-0.05mm-0.05mm-0.05mm
Thickness Tolerance±0.05mm±0.05mm±0.05mm
Surface Quality20-40nm20-40nm20-40nm
Surface Parallelism<0.01mm<0.02mm<0.05mm
This precision applies to standard customized optical quartz plates

Higher Precision

If the above precision we commonly use does not meet your requirements, we can make the plates according to your drawing, and the highest precision we can made is Surface Quality- 10nm, Parallelism ¼λ.

customize service