Place of origin:
Korea
Unit & Chair > As compact design, optimized unit table to make better use the space for Refkeratometers, Phoropter, and Chart Projector. 90degree Rotation of Table/ Left & Right Movement of Ref/kerato-meters The patient has convenient access to movable tables and left and right of the rotating structure of a refkeratometers bed equipped with convenient in a post-modern examination provides an env
[Related Keywords : Refraction Unit, Ophthalmic Unit, Refraction, Ophthalmic]
Business Type
Manufacturer
Location
Chungcheongbuk-do, Korea
Employees Total
11 - 50
Annual Revenue
USD 500,001 - 1,000,000
Min. Order:
20 Gram
Price:
US$ 49
Place of origin:
China
Supply Ability:
300kgs
United States, South Korea, and other global markets. The capable of our producing approximately 5000 kilograms per month. We signed the Exclusive Agency Agreement with our South Koreancustomer from 2011. Liquid Crystal Mixture QYPDLC-HD010 Lower Operating Temperature Tkn(C) -30 Upper Operating Temperature Tni(C) 150 Birefringence(589nm,20C) 0.28 Ordinary Refractive Index (No)(589nm,20C) 1.517
[Related Keywords : china high birefringence, Liquid Crystals, China Chiral Dopant S1011, chiral dopant]
Business Type
Manufacturer
Location
Shandong, China
Employees Total
11 - 50
Annual Revenue
USD 2,000,001 - 5,000,000
Min. Order:
5 Metric Ton
Price:
US$ 800 ~ 850
Place of origin:
China
Supply Ability:
500 tons per month
Product Description General grade polystyrene is a thermoplastic resin, colorless, odorless, tasteless and shiny, transparent beads or granular solid. Density 1.04 ~ 1.09, transparency 88% ~ 92%, refractive index 1.59 ~ 1.60. Under the action of stress, birefringence occurs, which is called stress-optical effect. The melting temperature of the product is 150 ~ 180ºC, the thermal decomposition te
[Related Keywords : GPPS Resin, GPPS Granules, GPPS Pellets, GPPS]
Business Type
Manufacturer
Location
Guangdong, China
Employees Total
6 - 10
Annual Revenue
USD 2,000,001 - 5,000,000
Place of origin:
Korea
Unit Nano DIamond Other Materials Mohs hardness 10 Corundum(9) Sound velocity m/s 11,212 Water(1514), Helim(915) Chemical stability Stable in strong acid and alkali Corrosion in acid and alkali Thermal expansitivy 10-6K 0.8 Al2O3(8.0), BeO(5.9) Index of refraction 2.417 Al2O3(1.6), SiO2(1.46) Permittivity ε 5.5 Teflon(2.1), Quartz(3.7) Thermal conductivity W/m.k 900~2000 Ag(427) Specific heat ca
[Related Keywords : polishing material, micro devices]
Business Type
Manufacturer
Location
Gyeonggi-do, Korea
Employees Total
6 - 10
Annual Revenue
Less than USD 100,000
Min. Order:
1 Square Meter
Price:
US$ 2.5
Place of origin:
China
Supply Ability:
3000m/day
Unit Test Method Density 0.4 g/cm3 ASTM D3574 Elongation at Break[MD) 170 % JIS C2151 Tensile strengthilMD) 215 MPa JIS C2151 Compression Set 18 % ASTM D3574 Moisture absorption 0.4 % Std.No.406 Melting point 260 ℃ JIS K7121 Temperature Endurance -40~150 ℃ EN344 Refractive index 1.6 -- ASTM D542 Light transmission rate 85 % JIS K6714 Adhesion Strength >1000 gf/25mm GB/T 2792-2014 Number of ru
[Related Keywords : Silicon PET]
Business Type
Manufacturer
Location
Jiangsu, China
Employees Total
101 - 500
Annual Revenue
USD 50,000,001 - 100,000,000
Min. Order:
100 Square Meter
Price:
US$ 1
Place of origin:
China
Supply Ability:
600,000 square meters per month
United States PPG, Japan's state legislature fluorocarbon coating company, the PVDF content of not less than 70 percent, to ensure that the color and durability of excellent quality. Our production of fluorocarbon liquid sprayed aluminum sheet by the State Building Materials Quality Supervision and Inspection Center testing, product performance in full compliance with "building decorative aluminu
[Related Keywords : solid aluminum panel]
Business Type
Manufacturer
Location
Guangdong, China
Employees Total
51 - 100
Annual Revenue
Less than USD 100,000
Min. Order:
1 Piece
Price:
US$ 0.01
Place of origin:
China
Supply Ability:
50
refractive index. Upon entering the second prism the ordinary beam experiences the same refractive index and continues undeviated. The extra-ordinary beam, however, now has a lower refractive index and is refracted at the interface. The angle of refraction is further increased at the birefringent material/air exit surface. Any separation angle can be designed for specific wavelength upon the requ
[Related Keywords : Rochon Polarizer, Rochon, Polarizer, Prism]
Business Type
Manufacturer
Location
Fujian, China
Employees Total
51 - 100
Annual Revenue
USD 2,000,001 - 5,000,000
Min. Order:
1 Set
Price:
US$ 1999
Place of origin:
China
Supply Ability:
500 sets per year
unit)Pupil Distance10mm~65mm (0.1mm unit)Radius of Corneal Curvature5mm~10mm (0.01mm unit)Corneal Power33m-1~67m-1 (in case that the corneal equivalent refractive power is 1.3375)Corneal Astigmatism0m-1~15m-1 (0.06m-1, 0.12m-1, 0.25m-1 unit)Screen9" TFT touch screen (adjustable angle)Printer57mm thermal printerMeasurement Light Energy<30uWMeasurement Time0.5SOther FunctionsAuto tracking, auto foc
[Related Keywords : Auto Refractometer, Auto Ref-keratometer, Auto Refractor, Auto Lens Meter]
Business Type
Manufacturer
Location
Zhejiang, China
Employees Total
6 - 10
Annual Revenue
USD 100,000 - 500,000
Min. Order:
1 Piece
Price:
US$ 20 ~ 999
Place of origin:
China
CNC Machining Polycarbonate Polycarbonate (PC) refers to a class of polymers whose macromolecular chains are composed of carbonate-type repeating structural units. It has outstanding impact resistance, good creep resistance and dimensional stability, heat resistance, low water absorption, non-toxicity, and excellent dielectric properties. It is the only product with good transparency among the fi
[Related Keywords : polycarbonate cnc service]
Business Type
Manufacturer
Location
Guangdong, China
Employees Total
101 - 500
Annual Revenue
USD 1,000,001 - 2,000,000
Min. Order:
10 Piece
Price:
US$ 100
Place of origin:
China
refractive index and minimal surface curvature make it an ideal material for making low-power imaging systems. GE Window Specification Germanium (GE) windows are widely used in a variety of scientific and industrial applications due to their excellent optical properties, particularly in the infrared (IR) region. Germanium has a high refractive index and a low absorption coefficient in the mid-IR
[Related Keywords : Germanium GE Window]
Business Type
Manufacturer
Location
Jilin, China
Employees Total
101 - 500
Annual Revenue
USD 5,000,001 - 10,000,0000
Min. Order:
1 Ton
Price:
US$ 2200
Place of origin:
China
CAS 52315 07 8 Cypermethrin Wholesale Pale yellow to brown viscous semisolid mass. It is a broad-spectrum insecticide used to control the pests of cotton, rice, corn, soybean and other crops and fruit trees and vegetables. Storages of Cypermethrin Keep the storage unit sealed and stored in a cool, dry place, and ensure that the work room has good ventilation or exhaust. Technical Information of C
[Related Keywords : cyfluthrin cas]
Business Type
Manufacturer
Location
Jiangsu, China
Employees Total
101 - 500
Annual Revenue
USD 2,000,001 - 5,000,000
Min. Order:
1 Set
Price:
US$ 100
Place of origin:
China
Supply Ability:
100
units, DCU) can be used for compensating the chromatic dispersion of, e.g., a long span of transmission fiber. 03- 60km Dispersion Compensation Fiber DCF model is a negative dispersion, which is a new type of single-mode optical fiber designed for presently laid G.652& G.655standard single-mode optical fiber. 04- 80km Dispersion Compensation Fiber Dispersion compensation modules are available for
[Related Keywords : dcmnetwork]
Business Type
Manufacturer
Location
Guangdong, China
Employees Total
51 - 100
Annual Revenue
USD 500,001 - 1,000,000
Place of origin:
China
unit ≤10 Refractive index nD20 1.3960~1.3970 Content of Octamethyl cyclotetrasiloxane/% ≥99.0 Octamethylcyclotetrasiloxane Uses It is colorless, inflammable, and can not dissolve in water, but dissolve in organic solvents such as benzene, etc. It can be used to synthesize organic silicon polymer by acid or alkali catalysis to manufacture silicone oil, silicone rubber, etc. It can also be used
[Related Keywords : silicone suppliers]
Business Type
Manufacturer
Location
Zhejiang, Finland
Employees Total
101 - 500
Annual Revenue
USD 100,000 - 500,000
Place of origin:
China
Refractive index (20°C)1.4159Viscosity (20°C)2.9 mPa•sPt-Co5Solubility (20°C)16.4 wt %Apperancecolorless transparent liquid Other applicable industries outdoor inkjet, PCB circuit board ink, electronic ink, water glass curing agent, water-based adhesive, organic synthesis intermediate, insulating paint, cleaning agent, paint remover, adhesive, flux, coating solvent, leather brightener. Secu
[Related Keywords : Odorless Paint Thinner]
Business Type
Manufacturer
Location
Shandong, China
Employees Total
101 - 500
Annual Revenue
USD 1,000,001 - 2,000,000
Video
Min. Order:
100 Kilogram
Price:
US$ 8 ~ 10
Place of origin:
China
Supply Ability:
10000 ton /year
Refractive Index1.623 Storage ConditionsStore under 30 ° C in a shady and dry place. Ensure that the workshop has good ventilation facilities. Keep away from ignition sources and oxidants.Physicochemical PropertiesMelting point: 76-80 ℃ Appearance: white, light yellow crystalline powderSafety TerminologyS24/25 - Avoid contact with skin and eyes. S22 - Do not breathe dustDanger LabelR36/37/38-I
[Related Keywords : PVC stabilizer, Heat Stabilizer, High Transmittance]
Business Type
Manufacturer
Location
Shandong, China
Employees Total
11 - 50
Annual Revenue
Less than USD 100,000
Specifications 1.Refractometer Vetex Distance(vd) 0.0,12.0,13.75mm Sphere Power (SPH) -20.00ï½+20.00D (In case of VD=12mm) Cylinder Power(CYL) 0.00ï½±10.00D(0.12/0.25D Unit) Axis(AX) 1ï½180°(1° Unit) Cylinder Form -,+,MIX Pupil Distance(PD) 10ï½80mm Minimum Pupil Diameter ï¿ 2.0mm 2.Keratometry Radius of Curvature 5.0ï½10.2mm(Increments:0.01mm) Corneal Power
[Related Keywords : auto, refractometer, keratometer]
Business Type
Manufacturer
Location
Jiangsu, China
Employees Total
101 - 500
Annual Revenue
USD 500,001 - 1,000,000
Min. Order:
1 Unit
Price:
US$ 800 ~ 900
Place of origin:
China
Supply Ability:
30 Unit/Month
Refraction method (Matching hydrometer) Turbidity: Scattering method Color: RGB Trichromatic method Measurement speed 240strips/hour Test tube rack capacity 6 test tube rack (Accommodate 60 samples) Sample capacity Sample liquid level is not lower than test tube rack logo scale line Inhalation sample capacity < 2.0mL Applicable strip Special urinalysis test strip 10A , 11A , 12A , 13A , 14A Data
Business Type
Manufacturer
Location
Shanghai, China
Employees Total
51 - 100
Annual Revenue
USD 10,000,001 - 50,000,000
Place of origin:
China
refractive index vs wavelength l, mm n0 ne l, mm n0 ne l, mm n0 ne 0.185 1.676 1.69 0.243 1.605 1.617 0.589 1.544 1.553 0.194 1.66 1.673 0.263 1.593 1.604 1.083 1.534 1.543 0.204 1.643 1.656 0.291 1.581 1.591 1.8 1.524 1.532 0.219 1.625 1.637 0.34 1.567 1.577 2.5 1.512 1.52 0.231 1.614 1.626 0.405 1.557 1.567 3 1.5 1.507 3.Quality evaluation of synthetic quartz crystal a) The amount of crystal de
[Related Keywords : Quartz Materials]
Business Type
Manufacturer
Location
Zhejiang, China
Employees Total
101 - 500
Annual Revenue
More than 100,000,000
Min. Order:
24 Metric Ton
Price:
US$ 750
Place of origin:
South Africa
Supply Ability:
3500 metric ton per month
Product Name:Vam(Vinyl Acetate Monomer) Cas No.: 108-05-04 Product Name Vinyl Acetate Monomer Other name Ethenyl Ethanoate, Ethenyl acetate, Acetic acid vinyl ester,VAM CAS No 108-05-4 Purity 99.5%min Boiling Point 71.8 Density 0.934 g/cm3 Melting point -93 °C (-135 °F 180 K) Flash point -8 °C (18 °F 265 K) REFRACTIVE INDEX ( N20D ) n20/D 1.395(lit.) Explosive limits 2.6-13.40%
[Related Keywords : Vinyl Acetate Monomer, Antifoam, D-Limone, Lacquer Thinner]
Business Type
Supplier
Location
Western Cape, South Africa
Employees Total
6 - 10
Annual Revenue
USD 100,000 - 500,000
Min. Order:
16 MT
Price:
USD 1666
Place of origin:
Thailand
Price Condition:
FOB Bangkok
Supply Ability:
50,000 Ton/year
Unit Specification Specific Gravity 25C JIS-K-6751 - 1.045-1.052 Ester Content JIS-K-6751 % wt, min 99.0 Acid Number JIS-K-6751 Mg KOH/g max 0.03 Heat Loss JIS-K-6751 % wt, max 0.3 Color JIS-K-6751 APHA, max 20 Refractive Index JIS-K-6751 nD25 1.488-1.494 PACKAGING : 240 kg/drum ORIGIN OF COUNTRY : Thailand MANUFACTURER : Thai Poly Chemicals Co., Ltd. EXPORTER : Thai Poly Chemicals Co.,
[Related Keywords : DBP, Dibutyl Phthalate, Plasticizer, Plasticizer Prices]
Business Type
Manufacturer
Location
Samutsakhon, Thailand
Employees Total
11 - 50
Annual Revenue
USD 2,000,001 - 5,000,000
Competitive refraction unit products from various refraction unit manufacturers and refraction unit suppliers are listed above, please select quality and cheap items for you.
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