The Ulano Corporation gained worldwide recognition within the graphic arts industry with the invention and promotion of the first masking film: Rubylith™. Rubylith™ is used in every segment of the graphic arts and has gained such prominence that the Rubylith™ brand has become synonymous with masking film. Ulano continues to produce and distribute Rubylith™ products to a broad graphic arts customer base, which includes the screen printing industry.

Rubylith™ RU3 is a high tack ruby film coated onto 300-gauge polyester. Can be cut manually or on a plotter to produce masks for film contacting and plate making and film positives for photographic stencil production. Rubylith has an emulsion thickness range of 1.1 - 1.2 mils.

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Average User Rating: Based on (8 Reviews)

Phil K. from Huntington, IN says:

I have used Rubyith for many years and lost my supply in a recent fire. I found what I wanted at MisterArt at a fair price and bought what I needed. The transaction and delivery was painless and I will...[more]

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Rated by: Phil K. in Huntington, IN

Rated by: Chuck H. in Kunkletown, PA

This is a great product for working with any kind of photo-emulsion process, like screen printing. You can achieve very good detail working with exacto blades and Rubylith or Amberlith. Love it.

Rated by: Scott M. in Dothan, AL

I looked everywhere for Rubylith for my screen printing shop and Mr. Art was the only place that had the right size at the right price!

Rated by: Sarah H. in Knoxville, TN

The film performed to may expectations, having used it before. For those interested in using it for making silk screens, You can use the Amber or Rubylith and adhere it to the silk with laquer thinner. Masking films are getting harder to find and Mr. Art had any kind you could want in several different size options.

Rated by: kiley t. in newark, DE

perfect, works beautifully, very easy to use, ..i used in in screen printing and it met my needs perfectly, but im sure it is a great product for various other projects

Rated by: Alfred H. in Golden, CO

I have been using Ulano Rubylith for 30 years. Recently another company sent me Amberlith by mistake, and I was desperate, so I tried it. It did not provide enough contrast for my high resolution film. Doing a web search, I found Misterart had descriptions of both Amberlith and Rubylith indicating that the Amberlith would not have enough contrast for my application. When I received the Rubylith, I found it easy to cut with a diamond tip on my ploter, and easy to peel. My application requires lines and spaces as small as .015 inches, and the Rubylith did the job.

Rated by: Bonnie H. in Boston, MA

When no one else had this product in large sheets, MisterArt.com came through.

Rated by: Charlie W. in Orlando, FL

The Ulano film is a high quality masking film. As an astrophotographer I use it for masking lights and laptop screens in order to preserve night vision. It is far superior to less expensive "red celephane" films and the heavier guage makes it very durable. For the laptop application; it lays flat and does not wrinkle distorting the display like celephane.

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