QOL improvement contribution value
Details

RAV 7™

Material for eyeglass lenses

Usage detail

Low-index lenses

Usage
Characteristic
Catalogs and printed materials of the Vision Care Materials Division
  • Basic information

Overview

The RAV 7™ series Optical Monomers produce high quality low index (1.50) ophthalmic lenses.
They are characterized by a high scratch and weather resistance, are tintable and have optical performance close to mineral glass. Apart from ophthalmics, RAV 7™ extends its use to applications in the marine environment and use in welding masks, as well as photographic filters.

Product Portfolio

  • High scratch resistance and non-yellowing
  • Excellent solvent resistance and weather resistance
Comparison of Properties
Classification Grades Key features
Standard RAV 7™AT
RAV 7™AX
Standard ADC*1 grade for production of 1.5 index lenses
Standard ADC*1 grade with even better colour of 1.5 index lenses
Specialty RAV 7™NG ADC*1 grade for production of 1.5 index lenses with reduced shrinkage
and initiator demand Suited to cast complex lenses. Improved scratch resistance
Specialty RAV 7™MC ADC*1 grade for production of 1.5 index lenses.
In-mass coloration of sunlenses and corrective lenses.
Prevent tinting failures and improves color consistency.
Specialty RAVolution™ Pure polyurethane with 1.51 index.
High impact resistance combined with high abbe value and very low density.
Perfectly suited for rimless and neutral colored blue-cut glasses
Specialty RAV 7™55T ADC*1 grade for production of 1.55/1.56 index lenses.
Specialty RAV 7™BC ADC*1 grade for production of 1.5 index lenses.
UV+420cut (Blue Cut) grade for providing protection
against harmful visible light(HEV) on top of full UV protection
Specialty RAV 7™NL ADC*1 grade for production of 1.5 index lenses.
40% less IPP*2, yet with excellent castability,
and with higher heat resistance and hardness
Specialty RAV 7™AF ADC*1 grade for production of 1.5 index lenses.
Anti-fern additive to prevent tinting defects in high power finished lenses.
Mixable with other ADC*1 grades.

*1 ADC: Allyl diglycol carbonate

*2 IPP: Diisopropyl peroxy carbonate

Contact Us

MITSUI CHEMICALS INDIA, PVT. LTD.
TEL+91-9958810725
FAX+91-11-30107499