Page 114 - The Indian Optician Digital Edition Jan-Feb 2020

WITH DON TEAM’S HIGN TECHNOLOGY AND MANY FIELD EXPERIENCE, 5-STAR(M) HAS A EXCELLENT BAYER RATIO AND EVEN IN THE
ABRASION TEST WITH STEEL WOOL (#0000) LOADED WITH 1.0KG, 5-STAR (M) CAN STAND A 600 TIME STROKE.

(SH-HT) and SH-Housing in 2002. FEATURES innovative hard coating sol which
This was the world’s first super has five outstanding features that
hydrophobic tablet for use in  Non-Solvent type (Water have never been seen in sol-gel
vacuum coating machines. is the only solvent.) chemistry. Since water is the only

The 5-Star (M) Hard Coating Sol,  Non-Flammable & Non- solvent, it is treated as normal goods
a high-tech product developed by Hazardous so there is no need to pay for extra
charges while shipping, which
Don Co, was launched in the country  The Best-Easy-to-Use is mandatory for solvent-mixed
at Optic India 2020 in Mumbai. Hard coating sol hard coating sol. It can be kept at
This is a high-technology scratch- room temperature which too saves
resistant coating solution made for  Eco-Friendly transportation costs and makes it
CR-39 and middle index lenses. Its  Excellent Scratch easy to store. In addition, its coating
excellent scratch resistance has a Resistance (Bayer ratio > 7.0) quality is consistent. As there are
Bayer ratio above 7.0 – in abrasion no volatile or inflammable solvents,
tests with steel wool (#0000) loaded at 90 - 95⁰C for 30 minutes with no customers can use it safely and
with 1 kg, 5-Star (M) can stand a damage. Since water is the only easily. It also has a longer shelf life.
600-time stroke with no visible solvent, it is non-hazardous, non-
scratches. While the solution is a flammable, and eco-friendly. The company was set up in the
semi-transparent liquid, the dried 1980s in Gwangju-si, Republic of
film has undergone hot water tests The 5-Star (M) is a patented, Korea. Over the years Don Co has
expanded its global presence with
sales offices in China, Thailand and
ADVANTAGES New York; factories in Shanghai as
 Can save transportation cost well as in Hanoi, Vietnam; a trading
company in Shanghai since 2007;
 Can keep at the room and an R&D centre in the US. In 2007
temperature the company developed and started

 Can have consistent coating selling an AF coating for the cover
quality due to no volatile & fl glass of smartphones. Eight years
ammable solvents in later the Don R&D Center came up
in Silicon Valley in the US, for surface
 Can use longer treatment technology.
 Can use safely & easily

 Features

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