Product type: Flat Lens. Application: Lighting, Medical, Optical, Photography.
Overview
The High Precision Borosilicate Glass Lens Used in Optics, Photonics & Opto-Electronics is supplied as an optical lens made from Borosilicate Glass. Listed geometry: size 1150*850mm, 1150*1700mm or Any Cut Size, thickness 2-20mm, single-lens shape. Optical / electrical data: transmittance >95%, sheet resistance 500ºC. Coating: HC; temperature 500. Listed for Lighting, Medical, Optical and Photography applications. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Borosilicate Glass |
|---|---|
| Type | Flat Lens |
| Shape | Single-lens |
| Size | 1150*850mm, 1150*1700mm or Any Cut Size |
| Thickness | 2-20mm |
| Transmittance | >95% |
| Coating | HC |
| Usage | Lighting, Medical, Optical, Photography |
| Lenses Color | Clear |
| Item | High Precision Borosilicate Glass Optical Lens |
| Technique | Microfloat Technology |
| Property | Heat Resistant and Eco Friendly |
| Process | Cutting, Grounding, Polishing, Silk Printing |
| Use | Microscope Slide, Lab,Sight Window, Fireplace |
| Feature | High Transmittance |
| Plain clear sheet | general industrial sight glass, optical window |
| Single/double frosted slides | reserved frosted writing zone for marking sample information |
| Color frosted area | white, blue, pink, yellow frosted end for easy classification of specimen types |
| Coated slides | poly-L-lysine coated surface for better cell & tissue adhesion |
| Standard microscope slide size | 75×25mm / 76×26mm, thickness 1.0mm, 1.1mm, 1.2mm |
| Original float glass sheet stock thickness | 0.8mm / 1.0mm / 1.5mm / 2.0mm / 3.0mm / 4.0mm / 5.0mm / 6mm / 8mm |
| Microscope slides | 50pcs/72pcs per paper box, vacuum aluminum foil outer package with desiccant to avoid moisture |
| Large industrial glass sheet | EPE foam separation + carton + export wooden crate to prevent collision breakage |
| Density | 2.23g/cm³ |
| Thermal Expansion Coefficient (20-300ºC) | 3.25×10 K¹ |
| Long-term Max Working Temp | 450ºC |
| Short-term Instant Resistant Temp | 500ºC |
| Thermal Shock Resistance | 180K temperature difference without breakage |
| Acid Resistance Grade | HGB1; Alkali Resistance Grade: A2 |
| Refractive Index | Nd=1.47384 |
| Standard lead time | 25 working days after deposit payment |
| Sizes | 1150*850mm |
| Customized size | Φ ≥ 50mm will be welcome and made according to your requirements |
| Maximum working temperature Short time(<10h) | 500 |
| Long time(>10h) | 450 |
| Refractive index ND | 1.47384 |
| Supplier | Jinan Honhai Glass Company Limited |
Technical data
| Item | Technical Parameters |
|---|---|
| Product Name | High Precision Borosilicate Optical Glass Lens |
| Material | 3.3 High-Purity Borosilicate Float Glass |
| Thickness Range | 2mm – 20mm (Customizable) |
| Thermal Expansion Coefficient | 3.3×10/K (20ºC-300ºC) |
| Visible Light Transmittance | ≥91% |
| Max Working Temperature | 450ºC (Long-term stable use) |
| Surface Quality | Bubble-free, Scratch-free, Nano-level Flatness |
| Optical Characteristic | Low Fluorescence, No Distortion, Stable Refractive Index |
| Processing Service | Custom Shape, Coating, Polishing, Cutting, Drilling |
What to specify when you request a quote
- Material — listed as “Borosilicate Glass”; name the glass or crystal.
- Geometry — listed as “1150*850mm, 1150*1700mm or Any Cut Size”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — listed as “HC”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see Borofloat Glass Wafers: Material & Coating Options for Substrates. How parts like this are machined and finished is covered in Flat Glass Polishing Process for Precision Substrates. For an application example, read Fused Silica Glass Wafers for Precision Appliance Electronics. Before sending a drawing, check Precision Glass Material Selection: Fused Silica vs Borosilicate & More. A related standard product is BF33 Microfluidic Glass Chip for Rapid Testing.
