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About product and suppliers:
            2,963 high refractive index products are offered for sale by suppliers on Alibaba.com, of which refractometers accounts for 2%, testing equipment accounts for 1%, and eyeglasses lenses accounts for 1%. 

A wide variety of high refractive index options are available to you, such as electronic. You can also choose from hmc high refractive index, as well as from clear high refractive index, and whether high refractive index is resin. 

There are 2,952 suppliers who sells high refractive index on Alibaba.com, mainly located in Asia. The top countries of suppliers are India, China, and India, from which the percentage of high refractive index supply is 1%, 99%, and 1% respectively.