Introduction of BK7 Optical Lens
Our standard lens has the following specifications:
Material: grade A BK7, fused silica, sapphire, or CaF2
Diameter tolerance: +0.0, -0.12mm
Paraxial focal length tolerance: ±2%
Clear aperture: >85%
Surface figure: 1/2 at 632.8nm!
- Q:What does GF30 represent in plastic PP GF30?
- (PP) polypropylenePP-GF30 glass fiber reinforced polypropylene content of glass fiber 30%
- Q:Who has information about power plants chimneys, water glass, acid resistant concrete?
- The characteristics of water glass concrete acid: water glass acid resistant concrete with water glass as binder, sodium fluorosilicate as hardening agent, adding acid powder and acid aggregate or other additives according to a certain proportion. Features: the acid and good heat resistance, it can resist all kinds of strong oxidizing acid (such as sulfuric acid, hydrochloric acid, nitric acid) and most corrosive gases (oxygen, sulfur dioxide) erosion at high temperature (1000 DEG C) still has good acid resistance, mechanical strength and high. But this material is not resistant to hydrofluoric acid, more than 300 degrees of hot phosphoric acid and higher fatty acids or oleic acid erosion. Is a commonly used anti-corrosion material, it has a wide range of materials, acid resistance good, low cost advantages. Its disadvantages are no alkali resistance, poor impermeability and water resistance, complex construction, long maintenance period.
- Q:How is glass made? What are the main ingredients?
- Raw material pretreatment. The bulk raw materials (quartz sand, soda ash, limestone, feldspar, etc.) are crushed to damp the raw materials, and the iron bearing raw material is treated with iron to ensure the quality of the glass.
- Q:How is the glass made?
- Glass cup making process:1: silk;2: blow the ball;3: skin opening;4: inner opening and back cover;5: interface;6: back cover;7: affixed trademarks;8: annealing.Glass (glass) is the raw material is a glass of glass, usually raw material is high borosilicate glass, after more than 600 degrees of high temperature firing, it is a new type of environmentally friendly tea cup, more and more people's favor.
- Q:Glass raw materials processing equipment, glass raw materials crushing equipment prices generally sell how much?
- Glass raw material processing technology and equipment, advanced at present, glass raw material (quartz sandstone, feldspar, silica) processing generally adopts the following process: A, wet rodmill; B, by the back breaking or jaw crusher and roll composed of multi-stage crushing and screening line.
- Q:Is glass fiber reinforced metal material?
- Glass steel (English: Glass Reinforced Plastic, GRP, or Fiber Reinforced Plastic, English: FRP) also known as glass steel or glass fiber reinforced plastic, is a kind of polymer with epoxy resin as matrix, glass steel or carbon fiber reinforced composite material by composite technology and made.
- Q:What are the Department of mobile phone lens?
- Well, yes, coating is coated, but not what you said, the film, this forgot to say, but generally speaking, is this, in fact, is not very complicated process, as long as there is equipment, it is easy to handle!
- Q:What's the name of the transparent plastic board in the market?
- Acrylic is a transliteration word, English is ACRYLIC. It is a chemical material. Chemistry called "PMMA" is a polyacrylate, commonly known as "after the special treatment of plexiglass", in the application industry, acrylic raw materials in general in the form of particles, plates, pipes and other forms.
- Q:What's the difference between crystal and ordinary glass?
- To strike lightly or with fingers. Crystal glass can produce metal crisp sound, and waves a beautiful lingering in the air. We will see at the reception banquet, high-end glasses scenes in the movie, a kind of glass between the collision sound is. And high school, low grade crystal glass sound is also different. Like some low-end crystal glass or ordinary glass voice is relatively boring.
- Q:What kind of material is made of automobile glass?
- Ordinary glass breaks can be irregular chunks
We own many kinds of optical process equipment and inspection equipment, such as automatic computer double-side polishing machines, automatic rolling round machines, cutting piece machines, spectrum testing machines, bevel angle and edge machines, and constant temperature cabinets.
We can produce various kinds of optical glass on the basis of customer's needs and the guarantee of quality.
1. Manufacturer Overview
|Annual Output Value
||US$2.5 Million - US$5 Million
2. Manufacturer Certificates
|a) Certification Name
3. Manufacturer Capability
||21% - 30%
|No.of Employees in Trade Department
||3,000-5,000 square meters
|No. of Production Lines
|Product Price Range