Shanghai Longway Special Glass Co., Ltd.
| Payment Terms | T/T,Western Union |
| Supply Ability | 25000 Pieces per Month |
| Packaging Details | paper,foam,carton |
| Structure | Prismatic |
| Surface | Optical grade |
| Transmission | over 90% |
| Processing | grinding and polishing |
| Application | Optics and lighting |
| OEM | available |
| Brand Name | LONGWAY |
| Model Number | OG0014528 |
| Certification | ISO9001 |
| Place of Origin | Shanghai, China |
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Product Specification
| Payment Terms | T/T,Western Union | Supply Ability | 25000 Pieces per Month |
| Packaging Details | paper,foam,carton | Structure | Prismatic |
| Surface | Optical grade | Transmission | over 90% |
| Processing | grinding and polishing | Application | Optics and lighting |
| OEM | available | Brand Name | LONGWAY |
| Model Number | OG0014528 | Certification | ISO9001 |
| Place of Origin | Shanghai, China | ||
| High Light | borosilicate glass lens ，borosilicate prismatic lens ，optical borosilicate lens for led lighting | ||
Optical Grade Borosilicate Glass Prismatic Lens for Specialty Lighting
Core Substrate: Optical-grade borosilicate glass (e.g., Schott Borofloat® 33, Corning 7980) with exceptional purity (>99.9% SiO₂).
Key Additives: Boron trioxide for low thermal expansion, alkali oxides for chemical resistance.
Coatings: Optional AR/IR coatings for wavelength-specific transmission enhancement.
Optical Clarity: >92% transmission (400–700nm VIS range), minimal bubbles/inclusions (Class 0-1 per ISO 12123).
Thermal Resilience: Low CTE (3.25 × 10⁻⁶/K), withstands thermal shocks up to 160°C ΔT.
Surface Precision: λ/4 surface flatness, 80-50 scratch-dig standard.
Refractive Control: Precise refractive index (nd=1.47–1.51) for controlled light bending.
Durability: Resists acids, water, and UV degradation (unlike acrylic).
Light Redirection: Uses prismatic geometry to refract, reflect, or disperse light via total internal reflection (TIR).
Beam Shaping: Converts raw light into uniform patterns (e.g., flat-top, linear, or asymmetric distributions).
Glare Reduction: Minimizes hotspots by diffusing light angles.
Color Fidelity: Maintains CRI >95 with minimal chromatic shift.
Architectural Lighting:
Cove lighting diffusers
Linear LED channel systems
Museum accent fixtures
Entertainment:
Stage/studio spotlight lenses
Projection system homogenizers
Commercial/Industrial:
Retail display case lighting
Machine vision inspection optics
Medical device illuminators (endoscopes, surgical lights)
Transportation:
Aircraft cabin mood lighting
Automotive signal lenses
| Item | Glass lens, Glass shade, Glass cover |
| Material | Borosilicate glass |
| Diameter Tolerance | +0/-0.5 mm |
| Thickness Tolerance | +/-0.2 mm |
| Processed | By Molding and Polishing |
| Working temperature | Resisting high temperature shock |
| Surface Quality | Clear and smooth |
| Transmission | Around 90% for visible light |
| Tempering | Available |
| Usage | Lighting system and Optics etc. |
Company Details
Business Type:
Manufacturer,Agent,Exporter,Trading Company,Seller
Year Established:
2008
Total Annual:
1000000-5000000
Employee Number:
30~100
Ecer Certification：
Verified Supplier
Introduction Shanghai Longway Special Glass Co., Ltd. has been a professional supplier in the glass industry for over 20 years. With its expertise spanning across various fields, including optics, laser, imaging, and lighting etc., the company has established itself as a trusted partner for busines... Introduction Shanghai Longway Special Glass Co., Ltd. has been a professional supplier in the glass industry for over 20 years. With its expertise spanning across various fields, including optics, laser, imaging, and lighting etc., the company has established itself as a trusted partner for busines...
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