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A popular series, widely specified for its solid, aluminum profile.

Quality workmanship has always been a PolyVision standard. PolyVision offers an extensive selection of marker, chalk, and tack boards using various materials and finishes.

The 555 Series wide profile trim system consists of C-18, 1-1/2" extruded aluminum trim with a clear anodized finish (color powder-coating available as an option). The standard CR-55, 2-3/4" pen/chalk tray includes solid cast aluminum end closures. Aluminum framed boards come standard with wrapped and mitered safety corners. 1" display rail with cork insert is standard.

P3 ceramicsteel writing Surface by PolyVision represents a revolution in ceramicsteel technology and PolyVision's third generation of ceramicsteel writing surfaces. For more than 50 years, millions of writing boards have been produced around the world for the education and office sectors using PolyVision ceramicsteel. PolyVision has introduced virtually every new breakthrough in the ceramicsteel market, including the year 2000 introduction of P3 ceramicsteel surface, the most significant improvement in writing and erasing in nearly 30 years. This innovative ceramic-on-steel writing surface is rapidly becoming the new industry standard.

The surface offers all the benefits of traditional ceramicsteel:

• Scratch resistant
• Chemical resistant
• Bacteria resistant
• Fire resistant
• Graffiti resistant
• Stain resistant

Colors actually do make a difference. Extensive testing has demonstrated that the new P3 ceramicsteel markerboard and chalkboard color range further optimizes the existing benefits of writeability, erasability, and cleanability.

You will get less chalk dust for the same amount of writing. The P3 ceramicsteel chalkboard surface consumes 40% less chalk than competitive surfaces providing significantly less dust and residue.

All PolyVision ceramicsteel writing surfaces carry our exclusive "Forever Warranty" which provides a lifetime guarantee.

PolyVision P3 ceramicsteel is the architecturally specified choice in writing surfaces because of the stringent test (ASTM) required that strictly adhere to the guidelines of the the Porcelain Enamel Institute (PEI).

You will get a 25% improvement in dry erasability on our P3 ceramicsteel markerboard surface leaving your board clear of ghosting after each use.

Writing Surface Performance Characteristics

• Writing Superior, low gloss matte finish readily accepts chalk, providing a sharp, unbroken line with less pressure and maximum surface adherence.
• Visibility Contrast/waviness for chalkboards (light and dark effects) shall be no less than 20 when tested with the contrast measurement test with 773-gram load on chalk. Resolution (visual acuity) shall be based on 3 lines per degree and be visibly maintained beyond the current standard of 3 meters. [Byk-Gardner measuring device]
• Erasing Erases easily with a dry cloth or standard chalk eraser, retains minimal residual chalk dust, and will not leave "ghost writing." Color change (dark/light) after chalk erasing is reduced 60% from traditional surfaces.
• Cleaning WET ghost measurements on chalkboard surfaces before and after wet cleaning shall not exceed a factor of 0.49. Easily cleaned with most mild soaps and detergents. Surface not affected by most strong cleaners and basically non-staining due to non-porous surface.
• Wearability Vitrified glass-hard ceramic surface fused to light gauge enameling grade steel at approximately 700°C. High resistance to impact damage, abrasion, scratching, and color fading.
• Magnet Capability The surfaces are ideal for all magnets and magnetic impregnated materials and will not be scratched or damaged from the contact.
• Flame Resistant The surface is 100% non-combustible.

Materials
All ceramicsteel panels will be supplied with Alliance light gauge steel face. The ceramic finish is fused to the steel sheet at a temperature of approximately 700° C. for chalkboard and 800° C. for markerboard.

Finishes
The ceramic finish will consist of a specially formulated glass substance applied by machine. Base metal will be coiled enameling steel of an alloy suitable for the application of architectural porcelain, employing a continuous coil process. Base metal will be properly pre-cleaned and treated, to ensure complete bond between the steel and the subsequent ceramic coatings. Both surfaces of steel-based metal will receive a ground coat of ceramic frit to be fused to the metal in a firing operation used exclusively for ground coat application to prevent contamination. A color cover coat of ceramic frit will be applied to one surface of the ground coat and fused by a firing operation exclusively designed for color applications. All ceramic coating will be machine applied with automated equipment for maximum finish uniformity. Firing temperature will range from 700° C. to 800° C. The gloss of writing surfaces will not increase by more than three units when subjected to wearability tests specified in testing.