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Product Details
Place Of Origin | Shanghai |
| Certification | GB/T19001-2016/ISO9001 |
| Product Name | Customized Spherical Concave Convex Glass Optical Instrument Lens |
| Brand Name | LiQing |
| Model Number | Fresnel |
| Material | Glass |
| Endure | 450°C |
| Surface Accuracy | Polish |
| Diameter/Thickness Tolerance | +/-0.2 mm |
| Precision | +/-80um |
| Application | Led light street lens/ mining lamps lens/ tunnel light lens/ explosionproof lamps/ Headlight glass lens/ Stage Reflector/ Led Projector Reflector camera/montior etc. |
| Craft | Molded |
| Coating | Anti-Reflective (AR) Coatings |
| Material | Borosilicate Glass |
| HRB | |
| Density(g/cm3) | 2.31 |
| Water Absorption(weight %) | no |
| Thermal ExpansionCoefficient(x10-7/°C) | 38 |
Thermal conductivity[W/(mK)] | 1.75 |
Heat Capacity[J/(gK)] | 1.11 |
| Flammability[mm/min][class] | no |
| Chemical Resistivity | / |
| Short-time Operating Temperature(°C) | 450 |
| PermanentOperating Temperature(°C) | 400 |
| Light Transmission(%) | 92 |
| Refractive Index nd | 1.47 |
| Coatzbility | ++ |
| UV Resistivity | ++ |
| Cleanability | ++ |
We Specialize In The Development Of Various Optical Glass - Design - Production
2.High transmittance glass lens, light transmittance up to 94%;
3.High strength optical glass can be tested by IK08;
4.High strength aluminum alloy frame, beautiful appearance, waterproof can reach IP67;
5.The light source is perfectly matched with the glass lens, especially in the outlet area, where the solder joints and lines can not be seen.
1:Professional optical design
Improve product design and development capabilities, shorten product development cycles and increase yields for different light sources and product shapes
2:Three coordinate measuring machine
Introduce three coordinate machines and other testing equipment, strengthen online monitoring, increase polishing and other processes, improve production stability
3:CNC carving machine
Improve production equipment, increase automation, and begin to import robots and CNC processing equipment.
4:Optical glass oblique axis polishing machine
Develop free-form surface LED lenses. Small UV light source lens and Fresnel lens
Glass Lens Other Glassware Reflector Precision Instrument
Reflector(UV)
Searchlight & Cinema Airport Runway Light Projector Lamp Bulb Projector Lamp
Reflector
Located in China"s largest city, China"s economic and financial center, Shanghai, is a well-known enterprise in the Shanghai optoelectronic device manufacturing industry.
Q1. What are your main products?
A:Our main products are glass reflector,projector reflector,stage lighting reflector,LED glass lens, LED street light glass lens,LED high bay light glass lens, LED light module and so on.
Q2. What is the location of your company?
A:Our company is located in Shanghai,in China, near the biggest sea ports of Shanghai port,
about 1.5 hours by car. If you would like to have a visit, welcome.
Q3.Can I have a sample order for products?
A:Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
Q4. What is your delivery time?
A:Usually we will take 3~5 days to make the samples, mass production time needs 1-2 weeks for order quantity more than.
Q5. Do you have any MOQ limit for products order?
A:Our MOQ is usually 300PCS, first trial order can be to be discussed.
Q6. How do you ship the goods and how long does it take to arrive?
A:We usually ship by DHL, UPS, FedEx or TNT. It usually takes 5-7 days to arrive. Airline and sea shipping also optional.
Q7. How to proceed an order for products?
A: Firstly let us know your requirements or application.
Secondly We quote according to your requirements or our suggestions.
Thirdly customer confirms the samples and places deposit for formal order.
Fourthly We arrange the production.
Q8: How to deal with the faulty?
A: Firstly, Our products are produced in strict quality control system and the defective rate will be less than 1%.
Secondly, during the guarantee period, we will send new lights with new order for small quantity. For defective batch products, we will repair them and resend them to you or we can discuss the solution including re-call according to real situation.
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