Reviews Refractive Index Control Materials

Jewelry Gem Refractometer, RHG181 1.30-1.81 Professional Gemstone ldentification Gem Refractometer,Portable Jeweler Tester Tool, Gemological Gemstone Gem Refractometer

  • WITH THE HELP OF CONTACT FLUID (RI FLUID) : An optical contact between glass and gemstone is made. Gem refractometer You can measure or test the refractive index of faceted stones, transparency or opacity, as well as their beauty, durability and scarcity.
  • PROFESSIONAL FUNCTION: Gemstone Refractometer is the most important and powerful tool for identifying and authenticating polished gemstones and semi-precious stones, as well as for observing the optical properties and structure of precious stones.Professional Gemstone ldentification.
  • USER-FRIENDLY DESIGN: Refractometer gemstone with integrated light source you can use it in different environments. Gemological Gemstone Gem Refractometer, Automatic Temperature Compensation (ATC) that adjusts to the climate. Low battery consumption for long operating times.
  • PRODUCT DETAILS: Refractive index range between 1.30-1.81 RI, power supply is AA battery (not included). And size is 13 * 6 * 3.5cm / 5.1 * 2.4 * 1.4inch. Gem refractometer, Lightweight and compact, easy to transport.
  • SATISFACTION GUARANTEE: This refractometer is designed to measure the refractive index of gemstones and solid materials.If you have any questions about the product, do not hesitate to contact us or ask questions in QA, Rotekt will solve yo....
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Clinical Refractometer ATC Tri-Scale Serum Protein 0-12 g/100ml Urine Specific Gravity SG 1.000-1.050 Refractive Index 1.333-1.360RI w/Extra LED Light & Pipette

  • LIGHTWEIGHT, made with highest and finest quality of aluminum & rubber.
  • Features automatic temperature compensation (ATC) and comes with Portable USB LED Light.
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Gem Refractometer, RHG181 1.30-1.81 Jewelry Professional High Accuracy Gemstone ldentification Portable Gemological Gemelogy Refractometer with Electric Torch, Reflective Index Fluid for Gemologists

  • Refractive Index is one of the most important optical parameters used to identify and authenticate polished precious and semi-precious gemstones..
  • Gemological (Gemstone) Refractometer is your primary and most powerful tool in gemstone identification. As with a typical critical angle refractometer, it will measure the Refractive Index of faceted stones..
  • This Gemological refractometer is a low cost, lightweight measuring instrument used by jewellers and traders of gemstones to measure polished stones over a refractive index range of 1.30 to 1.81 RI..
  • The instrument can also be used to identify whether a particular stone is Isotropic or Anistropic (uniaxial or biaxial)..
  • In fact, you can also use this tool to measure R.I. for many minerals in crystal form as long as the crystals have a flat and polished face..
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COLORKEY Lip Gloss Mirror Series 3 Packs Set, Shiny Hydrating Lip Lipstains with Essential oil, High Shine,Long-Lasting Liquid Lipstick Lip Tint

  • Lip Plumping Lip Gloss with Moisturizing Formula with High Refractive Index: This COLORKEY lip gloss enhances lip contour, drenching lips with high shine for hydrated, fuller-looking lips. This plumping lip gloss is packed with moisturizing formula with a high refractive index to plump up your lips with a glossy shine..
  • Quick Film Forming Technology: It adopts Special Quick Film Forming Technology, rapid formation of protective film, long-lasting color lock. A fuller-looking pout is just a few swipes away with this amazing glossy lip plumper..
  • Hydrating Lip Gloss with Macadamia Nut Oil and Geranium Flower Oil: Nourish the delicate lip skin, make your lips rosy and elastic. This moisturizing gloss leaves lips feeling hydrated and looking smoother and fuller..
  • Emulsion Water-oil Balance Technology: Refreshing texture, providing lasting moisturizing power, moisturizing and not sticky on the lips..
  • Discover COLORKEY Makeup: Colorkey, a makeup brand born in Asia, integrates the world's top suppliers and gathers experts in makeup, fashion, design, quality control and other fields to create safe and high-quality makeup products for hundreds of millions of young women worldwide. Colorkey hopes to make every maverick more cool and beautiful, illumining the world ....
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Gem-n-Eye Refractometer (Digital)

  • GOOD FEATURES: Lightweight and compact, easy to carry. The product is stable in performance and used by customers who say it is good.
  • APPLICATION FUNCTION: Identify single and double gems quickly and precisely. You will be very happy with the many uses to meet your needs.
  • HIGH QUALITY MATERIALS: Low battery consumption for long service time. Good quality is our goal. Only high quality can satisfy customers' satisfaction. Customer satisfaction is our driving force.
  • DESIGN CONCEPT: Specially designed for measuring the refractive index of gemstones and solid materials. The minimalist design style makes it very suitable for use.
  • OUTSTANDING ADVANTAGES: This refractometer features high accuracy and easy operation. Considered by many to be the most important of all gem testing instruments.
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0-90% Digital Brix Refractometer, Sugar Content Hydrometer Automatic Temperature Compensation Maple Syrup Sugar Measurement Machine for Honey, Maple Syrup

  • Easy to Use : The sugar content is small in refractive index, light in weight, and packed in a plastic box, which is easy to store and carry, and is very convenient to use..
  • Automatic Temperature compensation : The refractometer has an automatic temperature compensation function. The temperature is 10℃~30℃ (50℉~86℉) to minimize the influence of temperature on the test results..
  • Durable : The wine measuring instrument is made of high-quality materials and is portable, does not need to install batteries, is sturdy and durable, and can be used for a long time..
  • Multi-purpose : Brix meter refractometer is widely used in daily life, mainly used to measure the sugar content in fruits, honey, maple syrup and other sugary beverages, simple and convenient..
  • Quality Assurance: The sugar content meter has undergone strict quality control and testing, and the quality is guaranteed. You can use it with confidence..
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RIKIMARU FC 100% Fluorocarbon Clear 50Yards-6LB

  • Rikimaru100% fluorocarbon polymer fishing line—It has high sensitivity, impact resistant, wear resistant, and the characteristics of the low....
  • Wear Resistance—Rikimaru fishing line is made of fluorocarbon polymer, so it has the advantage of high durability. It is very wear resistant,....
  • Low Visibility—Rikimaru fluorocarbon fishing line of raw materials refractive index similar to natural water bodies, so it is nearly invisible in....
  • Impact Resistance—Fishing line made of fluorocarbon material has a very obvious impact resistance advantage, can prevent the fishing line from....
  • Low Ductility and Sensitivity—The fishing line made of high density material has the characteristics of high specific gravity and low ductility, so....
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Fujinon XF16-55mmF2.8 R LM WR

  • Featuring a svelte design, the Viltrox AF 56mm f/1.4 XF is a compact 85mm-equivalent prime lens designed for FUJIFILM X-mount mirrorless cameras..
  • The short telephoto focal length pairs with a bright f/1.4 maximum aperture to help achieve notable control over depth of field and also benefits....
  • The optical design incorporates extra-low dispersion and high refractive index elements, too, to reduce various aberrations and distortion for high....
  • Complementing the optics, the lens's design also incorporates an STM stepping motor that affords fast, near-silent, and accurate autofocus performance....
  • An internal focusing design also contributes to quick performance. Additionally, the lens features an integrated micro-USB port for making future....
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Digital Refractometer Digital BRIX Tester Sugar Meter Ideal for Drinking Water Beverage Kombucha Orchard Fruit Juice Carbohydrate Content High Accuracy Portable Refractive Index Tester 0-58%

  • ACCURACY AND CONSISTENCY: Refractive index is effected by temperature, so we set Automatic Temperature Compensation (ATC) function for BRIX reading be accurate at various temperatures..
  • BIG COLOR SCREEN WITH BACKLIT: Unit with a big backlight screen makes you easy to see the readings clearly in poor light..
  • EASY AND INSTANTLY: Just turn BRIX meter on and drip several drops of solution in the metal sample groove, press READ button and wait for 3 seconds to get result. Very easy to operate..
  • MULTIPURPOSE TESTER: Tester for orchard worker to know your fruits maturation anytime. Unit has refractive index, BRIX and temperature functions 3 in 1 so can be use for various purposes as beverage shop, kombucha making, pummelo, orange, watermelon juice test, home drinking and cooking, food and catering, laboratory experiment, etc..
  • ENERGY CONSERVATION: Our product will deliver with 2 batteries. When you finished your test but forget power it off, unit will shut down automaticly in 60 seconds without any operation. Thus this function will save energy..
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Digital Refractometer Digital BRIX Tester Sugar Meter Ideal for Drinking Water Beverage Kombucha Orchard Fruit Juice Carbohydrate Content High Accuracy Portable Refractive Index Tester 0-95%

  • ACCURACY AND CONSISTENCY: Refractive index is effected by temperature, so we set Automatic Temperature Compensation (ATC) function for BRIX reading be accurate at various temperatures..
  • BIG COLOR SCREEN WITH BACKLIT: Unit with a big backlight screen makes you easy to see the readings clearly in poor light..
  • EASY AND INSTANTLY: Just turn BRIX meter on and drip several drops of solution in the metal sample groove, press READ button and wait for 3 seconds to get result. Very easy to operate..
  • MULTIPURPOSE TESTER: Tester for orchard worker to know your fruits maturation anytime. Unit has refractive index, BRIX and temperature functions 3 in 1 so can be use for various purposes as beverage shop, kombucha making, pummelo, orange, watermelon juice test, home drinking and cooking, food and catering, laboratory experiment, etc..
  • ENERGY CONSERVATION: Our product will deliver with 2 batteries. When you finished your test but forget power it off, unit will shut down automaticly in 60 seconds without any operation. Thus this function will save energy..
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Gain Express Gemological Refractometer 1.30 to 1.81 Ri Range

  • ✿【SPECIALLY DESIGNED】Our Gem Refractometer, specially designed for measuring the refractive index of gemstones and solid materials. Approved by strict quality and safety standards for a long and trouble-free using..
  • ✿【HIGH PRECISION】Our Jewelry Refractometer features high accuracy and easy operation. The refractometer is also one of the few instruments that can provide you with information on opaque gems and transparent gems..
  • ✿【QUICKLY AND PRECISELY】Our Professional Refractometer identify single and double gems quickly and precisely. Helps identify diamonds, moissanite and colored gems, speeds up the identification of gems in the package and results in uniform and reliable results each time, with a clearly visible display for easy reading measurements..
  • ✿【PROFESSIONAL AND PORTABLE】 Our Gemstone ldentification is Lightweight and compact, easy to carry. Low battery consumption for long service time. include: 1 * Refractometer, 1 * Electric Torch (Powered by 1 * AA battery which is NOT included)), 1 * English Manual, 1 * 3 ML Reflective Index Fluid..
  • ✿【100% RISK FREE PURCHASE】Dear Friend, We offer 24-hour customer service and a 12-month satisfaction guarantee for a completely risk-free purchase and your suggestion will help us....
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Epoxy Adhesive Optically Clear High Impact,Two Part Low Viscosity AA-Bond F113 5gm Pouch

  • Spec. Gravity 1.23 g/cc Mixed Viscosity 175 cP At 25°C, Thixotropic Index 1.0.
  • Mechanical Properties Hardness, Shore D 86, Pot Life 1.5 hours, Refractive Index 1.51.
  • Glass Transition Temp (Tg), ultimate 102°C.
  • cure time 24 hrs At 25°C, 1-2 hrs At 65°C.
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LONGWIN Crystal Angel Figurine Christmas Decorative Clear Glass Home Decor Ornaments Collecible Gift for Kids

  • Material: k9 crystal, which offers a high refractive index and high clarity..
  • Specification: 40mm(1.6inch) in diameter, 80mm(3.1inch) in height, Net weight: 112g(4 oz)..
  • Good quality: high quality k9 crystal materials, and exquisite workmanship, perfect details..
  • Decorative ornaments: This lovely crystal angel figurines will do a good job as a theme party/birthday decorative ornaments, also an eye-catching decorative ornaments for your home/table..
  • Gift idea: Every girls have a dream to be a princess, this dreamlike and sparkling crystal angel status just satisfy their dreams, a good option as a Christmas gift for kids/daughter/girls..
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