http://www.modernplastics.com/lexanreg-mr10112-abrasion-resistant-polycarbonate-sheet-ultramasked-p-1289.html
seems they are cheaper depending on shipping rates.
LEXAN® MR10-112, Abrasion Resistant Polycarbonate Sheet -manufactured by GE Structured Products is the authentic, world renowned, quality brand-name abrasion resistant polycarbonate product offered to you by Modern Plastics. In its colorless form, LEXAN® MR10-112, polycarbonate sheet is a crystal clear material with key properties such as excellent impact resistance, scratch and graffiti resistance.
LEXAN MR10 sheet is mar-and graffiti-resistant. It combines the impact strength of LEXAN polycarbonate sheet with a proprietary abrasion and UV-resistant MARGARD® II surface. It is warranted against yellowing, breakage, coating failure and loss of light transmission and offers improved resistance to weathering and forced entry protection. It is useful for schools, store, transit shelters and other high-traffic areas.
High-impact LEXAN® MR10-112 polycarbonate sheet can be utilized for primary glazing, or on either side of existing glazing for economical protection against breakage or intrusion. A better insulator than glass, LEXAN® MR10 sheet contributes to lower energy costs.
Other attributes of LEXAN® MR10-112, Abrasion Resistant Polycarbonate Sheet products include:
* 250 times the impact strength of glass
* Excellent light transmission
* Excellent sound abatement properties
* Superior insulating properties
* Good sound abatement properties
* Available in transparent (clear), tinted
Engineering specifications for LEXAN® MR10-112 Abrasion Resistant Polycarbonate Sheet Products:
* Tensile Strength – 9,500 psi
* Compressive Strength – 12,500 psi
* Water Absorption (24 hours) – 0.15%
* Heat Deflection Temperature @66 psi - .280°F
* Brittle Temperature -211°F
* Flammability - Horizontal Burn (Flame Spread) AEB, Value
Material Notes:
In order to maintain the brilliant luster of LEXAN® sheet proper cleaning techniques are required. Use only approved (Modern Magic® MicroFiber) cleaning cloths and our line of (Novus®) polishes and scratch removers for usage on all polycarbonate sheet products. (See related products)
Important:
Lexan® polycarbonate sheet products are typically sold with a plastic masking (Ultra masking). This peel off plastic covering protects both sides of the material from scratching during handling. Paper masking is available in Lexan® sheet products, but not typically stocked by Modern Plastics.