Product Frequently Asked Questions
Select a product on the left to view a list of the most commonly asked questions.
ACRYLITE® Gallery for framing
ACRYLITE® Gallery for framing
How long does UV filtering (OP3) protect artwork?
**ACRYLITE® Gallery UV filtering (OP2) acrylic sheet test results (This data can also be applied to ACRYLITE® Gallery UV filtering (OP3) acrylic sheet)**
We are all aware of the damage that Ultra Violet wavelengths can do to prints, tapestries, cloths, colors, etc., over time. ACRYLITE® Gallery UV filtering (OP2) sheet will give you up to 98% filtering of those harmful UV rays. Studies show that this material remains constant, in its UV filtering capacity, even under harsh accelerated weathering conditions.
ACRYLITE® Gallery UV filtering (OP2) sheet has been EMMAQUA® accelerated weathered by DSET Laboratories, Inc. in Arizona for a time period equivalent to 15 years of natural weathering. EMMAQUA weathering makes use of actual sunlight. To accelerate the weathering process, the sun’s energy is reflected off ten highly polished mirrors and focused on to the sheet’s surface. Focusing the sunlight concentrates the dosages of harmful UV radiation as well as all the wavelengths emitted from the sun. The EMMAQUA Test Machine also tracks the path of the sun, making the most of the sample’s exposure time. At certain times of the year the heat generated from the EMMAQUA Test Machine is so intense, sheet surface temperatures can reach as high as 140°F. To add another element of nature in this accelerated weathering test, moisture is introduced onto the sample’s surface at regular intervals via a water spray.
By using the EMMAQUA Test Machine you can achieve the UV radiation dosage equivalent to five years of natural exposure in an approximate one-year real time. The graph below shows that ACRYLITE® Gallery UV filtering (OP2)’s UV filtering capacity has not diminished even after an intense accelerated weathering program equivalent to fifteen years of natural weathering.
Do you offer anti-reflective acrylic for framing?
ACRYLITE® Gallery UltraClear is a revolutionary acrylic sheet for the Framing and Museum markets.
Some key features are:
- Anti-reflective surfaces on both sides
- Fingerprint resistant surfaces, one or both sides
Learn all the features here (limited stock available)
Which of your framing products pass the Oddy Outgassing Test?
Which side of ACRYLITE® non-glare (P99) sheet should face the artwork?
The non-glare textured side faces on the outside, away from the artwork.
Can you describe ACRYLITE® UV filtering (OP3) acrylic sheet?
ACRYLITE® UV filtering acrylic sheet is a continuously manufactured acrylic sheet specifically formulated to offer excellent ultraviolet (UV) filtering characteristics. Its light weight, superior impact resistance, and ease of fabrication make it an ideal choice for framing articles of value. ACRYLITE® UV filtering acrylic sheet is also available with a matte P99 finish to reduce glare. ACRYLITE® UV filtering mar-resistant acrylic sheet combines the same UV protection with an abrasion and chemical resistant coating.
WHY IS IT IMPORTANT TO USE A UV-FILTERING MATERIAL?
Fabrics and paper become brittle, fade in color, or turn yellow when exposed to sunlight. A good example is street maps or magazines left in a car below the rear window. Printed paper articles left there often change noticeably within a few weeks. Those changes are mainly due to exposure to the UV light in solar radiation.
If a "Probable Relative Damage" (PRD) factor is assigned for different wavelengths, the shortest UV rays would rank highest and the factor would decrease exponentially with increasing wavelength. For example, the PRD factor for UV light of 300 nanometers (nm) would be approximately eight (8), for UV light of 380 nm, one (1), and for visible green light of 500 nm, 0.03. This illustrates the importance of filtering out UV light to protect valuable frameables.
HOW DOES UV LIGHT DAMAGE DOCUMENTS AND PRINTS?
Natural high polymers from cellulose and protein are decomposed by solar irradiation with a high percentage of UV light. Cellulose fibers, from which paper is made, are particularly sensitive to UV radiation. In conjunction with water, which is always present in the fibers, and under UV radiation, atmospheric oxygen reacts with the water to form hydrogen peroxide. This results in a gradual oxidative breakdown of the cellulose. This breakdown is because oxygen and moisture cannot be eliminated, every precaution has to be taken to prevent the exposure of valuable articles of paper or cellulose fiber to UV-light. Similar reactions can be seen in some pigments, causing colors to fade.
WHERE IS UV LIGHT PRESENT?
UV light is naturally present in sunlight. Approximately 6% of the total irradiated solar energy is in the UV range between 320 and 380 nm. But UV light can also be present in artificial light. Specifically, halogen lamps emit a considerable amount of UV light, and even common fluorescent lamps emit light in the UV range.
The following chart shows the light transmission of ACRYLITE® UV filtering sheet, general purpose acrylic sheet, and float glass. It illustrates that general purpose acrylic sheet and float glass only filter out a small amount of the UV-light present in solar radiation, whereas ACRYLITE® UV filtering sheet absorbs approximately 98% of the UV light. A further shift of the ACRYLITE® UV filtering sheet curve to the right would cause absorption of blue visible light and cause a yellowish appearance of the framed object.