back hard coating

**DocInChina** · 08-23-2006, 07:05 PM

After seaching through the forum I found 2 UV back coating systems mentioned: Ultra Optics and LTI. Any other smaller systems being used? What is the capacity for the smaller units from both of these companies? Easy to find second hand?

Doc

**Chris Ryser** · 08-24-2006, 04:37 AM

Originally Posted by DocInChina

Any other smaller systems being used? What is the capacity for the smaller units from both of these companies? Easy to find second hand?
Doc

Look for a used Optical Innovbation machine of which there used to be over 1000 in use in the USA alone. UV cure .............hand application ............non automatic. Can do back and front side. Esy to obtain chemicals.

**DocInChina** · 08-24-2006, 05:04 AM

removed

**jofelk** · 08-24-2006, 05:57 AM

Originally Posted by DocInChina

removed

Since you asked the question on the board, have the courtesy to tell us what you found.

**DocInChina** · 08-24-2006, 09:25 AM

ie

**DocInChina** · 08-24-2006, 09:26 AM

Originally Posted by jofelk

Since you asked the question on the board, have the courtesy to tell us what you found.

I found information about Ultra Optics and LTI on their respective manufacturers website with their contact information. They can provide me more details about their systems. I did not want to ask any further questions about these companies on this site and waste other peoples' time if I could find the answers direct from the source. Try decaf next time.

Doc

**jofelk** · 08-24-2006, 10:29 AM

Sorry for being a little abrupt, my nature. Do not feel like it is a waste of time. I would like to know how the coaters compare.

**LENNY** · 08-24-2006, 01:05 PM

We just got a Mini II from Ultra !
So far so good for 2 weeks!
Gerbers is seating in the corner!

**Audiyoda** · 08-24-2006, 02:06 PM

Go with anything from Ultra - LTI and Stratum are both a joke waiting to happen.

**AWTECH** · 08-26-2006, 01:57 AM

Lesco also makes a backside spin coating machine:

http://www.lescouv.com/products/Opti.../slcoater.html

They are experts in UV curing products.

**Jim Stone** · 08-26-2006, 09:26 PM

CAREFUL!! The "snake oil" put it in the dye pot type "hard coat" does nothing! I know a major lab that uses it. Careful!

**Chris Ryser** · 08-27-2006, 03:40 AM

See some definitions on hard coatings and their difference to scratch resistant treatments at:

http://optochemicals.com/products/in...esist_genE.htm

**Jim Stone** · 08-27-2006, 09:00 AM

Originally Posted by Chris Ryser

See some definitions on hard coatings and their difference to scratch resistant treatments at:

http://optochemicals.com/products/in...esist_genE.htm

Snake oil! For this to have any effict of value, you'd need to do it about 3 times a day.

**DocInChina** · 08-27-2006, 03:44 PM

Originally Posted by Jim Stone

Snake oil! For this to have any effict of value, you'd need to do it about 3 times a day.

What are you referring to?

**Chris Ryser** · 08-28-2006, 05:29 AM

Originally Posted by DocInChina

What are you referring to?

Many optical people have referred to Scratch Resistant treatments that can be done in house by different applications as "Snake Oil" without knowing any details about them.

Some of them are very effective, save the retailer the cost between virgin or hard coated lenses, can be treated for a few cents a pair in an easy application, and make money when selling and using them.

There have always been different scratch resistant theories on how to protect a lens. One of them is having a harder surface than the sunstrate (lens) or having a slick surface that lets objects slide off and not attract any dust.

Now that ESSILOR is heavily promoting their ALIZE slick coat and SOLA their TEFLON and so on it must be that the "Snake Oil" principle has finally
reached an acceptable status in the optical world, however 20 years later than "Snake Oils" have been put into use.