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ULTRABOARD.COM Ultra Board Technical Guide home Ultra Technical Guides Contact Us Request a Sample How to Purchase Technical Specifications TECHNICAL GUIDE GENERAL ULTRA BOARD is a lightweight structural panel consisting of a rigid polystyrene foam core faced on both sides by a smooth moisture resistant sheet of solid polystyrene. The foam and facers are permanently bonded together. The face laminates have been specially developed to provide an excellent surface for painting silk screening photo mounting and vinyl lay up. Together with these properties and the ease and multitude of shaping methods make ULTRA BOARD an excellent choice for signage photo mounting exhibits point of purchase displays and routed letters. EXTERIOR USAGE ULTRA BOARD panels are a strong moisture resistant material. When exposed to long periods of very moist conditions there is little change in either the face or the core. Exposure of unprotected faces to exterior conditions has no effect other than a slight bleaching. Ultra-violet radiation degrades unprotected foam. Therefore any exposed foam should be protected with a good quality pigmented water base coating or other U.V. barrier. Large panels should be well supported to protect against any bowing movement. Caution should be taken when using darker colored inks and paints. Dark coated ULTRA BOARD panels may blister when exposed to direct sunlight. httpwww.ultraboard.comultraboard_tech.html 1 of 77262009 70313 PM ULTRABOARD.COM Ultra Board Technical Guide WARPING Under most conditions ULTRA BOARD panels will not warp however they may bow under certain conditions. Potential for bowing is much greater in thinner panels and in full 4 ft. x 8 ft. unsupported panels or on panels that are treated differently on one side than on the other e.i. coating panels on only one side or exposing one side of the panel to a higher heat source than the other. ULTRA BOARD panels are manufactured and packaged flat occasionally however a panel may tend

to bow after unpacking. These panels should and can be corrected by inverting the panel on a flat surface and allowing it to remain inverted 1-24 hours until the warping has dissipated. To insure maximum flatness full wood frames edge glued to the perimeters of the panel should be sufficient. Extruded aluminum channels or wood frames to fit panel edges also work well. For extremely critical applications a thicker ULTRA BOARD panel should be used. For panels where coatings cover 50 or more of the surface area it is advisable to similarly coat the opposite side. FACING SURFACES Standard ULTRA BOARD panels have 0.015 litho grade high impact polystyrene facers. ULTRA BOARD is also available with 0.030 facers. Colored facers are available on a custom quote basis. It should be noted that this technical bulletin only covers ULTRA BOARD panels with the standard facer. PACKAGING ULTRA BOARD panels are supplied from the factory in two forms trimmed and untrimmed. The least expensive form is the untrimmed panel. An untrimmed panel is a slightly oversized panel in which either the foam core or the facer material is larger than the other on one or more sides. Untrimmed ULTRA BOARD is packed on skids containing 40 inches of material. Trimmed ULTRA BOARD is simply an untrimmed panel cut to size 48 x 96 such that all the edges are clean smooth and square. Trimmed ULTRA BOARD panels are boxed in quantities shown Panel Thickness Pcs. Carton 316 12 34 1 1 12 2 3 16 12 8 12 8 6 4 httpwww.ultraboard.comultraboard_tech.html 2 of 77262009 70313 PM ULTRABOARD.COM Ultra Board Technical Guide CUTTING CIRCULAR SAWS ULTRA BOARD may be cut with standard table saws. For best results use a blade designed for cutting ULTRA BOARD. The specifications are a. Top grind inverted V b. Face grind hollow c. Tooth pitch 0.375 to 0.750 d. Side clearance 0.015 to 0.020 e. Clearance angle 2 f. Blade rpm 3500 to 4500 g. Feed rate 40 to 60 fpm Or you can purchase an ULTRA BOARD saw blade from Arkansas Carbi

de Saw and Tool918 626-3837. Let them know arbor and blade diameter. ROUTERS Routing of ULTRA BOARD works well for creating irregular shapes. We recommend bits available from Onsrud Cutter Inc. 847 362-1560 and Vanguard Tool Corp. 540 673-3496. Use Onsrud Cutter series 52-200 or Vanguard Tool part number VSC-102. Router bits should be double fluted carbide upward chip removal with a 14 shank diameter and a 316 cutting diameter. For best results run at 18000 rpm and 85 inchesminute. Feed rate may be varied to compensate for larger bit diameter and different rpm. For special and long router bits for CNC routers we recommend contacting Hartlauer Bits 541 343-0390. DIE CUTTING 316 and 12 ULTRA BOARD die cut very well. Die cutting ULTRA BOARD is not recommended for panel thicknesses greater than 12. GUILLOTINE CUTTING 316 inch and 12 inch ULTRA BOARD guillotine cut very well. Guillotine cutting ULTRA BOARD is not recommended for panel thicknesses greater than 12 inch. HAND CUTTING While ULTRA BOARD can be cut by hand the strength of the face surfaces makes it difficult. For straight cutting by hand best results have been achieved with knives with thin blades. httpwww.ultraboard.comultraboard_tech.html 3 of 77262009 70313 PM ULTRABOARD.COM Ultra Board Technical Guide LAMINATING GLUING No special surface preparation is required when gluing to the face of ULTRA BOARD. The surface should be kept clean and free of any oil contaminates as with any other surface to be glued. Great care should be taken in choosing an adhesive however. Some solvent based adhesives will attack the styrene facer causing a small hole to develop in the facer thus allowing the adhesive to deteriorate the bond between the core material and the facer. This reaction could take up to several days to develop. Any adhesive should be thoroughly tested to evaluate its suitability. We recommend using Latex Liquid Nails for Foamboard part number LN901. This adhesive is available from most hardware stores. PA

INTING GENERAL ULTRA BOARD needs no special preparation before priming or painting. For best results the surface should be clean and free of any oil contaminates. This can be accomplished by cleaning the panel with glass cleaner or isopropyl alcohol just prior to coating. In any case the surface should not be sanded. TYPE OF PAINT The following paints have shown excellent results when used on ULTRA BOARD Sterling Paint 800 999-8482 Medallion Enamel no primer necessary Sherwin Williams 800 336-1110 A-100 series latex no primer necessary Devoe Paint 800 654-2616 Mirrolac WB 8300 - 8400 series no primer necessary Mirrolac WB 8502 series no primer necessary AKZO Nobe 800 233-3301 Grip-Gard HS must be used in conjunction with VPS-1 primer Grip Flex no primer necessary Grip Flex AQ no primer necessary Matthews Paint Co. 800 323-6593 MAP must be used with 74-777 Tie Bond primer VOCMAP must be used with 74-777 Tie Bond primer SVOC MAP must be used with 74-777 Tie Bond primer 1 Shot 219 949-1684 Acrylic Graphic Coat Bulletin Fluorescent Art and Sign Poster Colors httpwww.ultraboard.comultraboard_tech.html 4 of 77262009 70313 PM ULTRABOARD.COM Ultra Board Technical Guide Caution should be taken when using oil base or solvent base systems not to allow paint to make contact with the polystyrene core. These types of paints are likely to attack and deteriorate the foam core. In cases where the foam edges might be subjected to exterior exposure it will be necessary to protect the edges from deterioration by the high intensity ultra violet light of the sun. A good coating of water-base paint or similar U.V. barrier should be sufficient to provide this protection. Caution should be taken with any paint especially when intended for outdoor use. Always test paint on ULTRA BOARD prior to production run and follow all of the paint manufactures instructions. SCREEN PRINTING GENERAL ULTRA BOARD panels are rigid lightweight and easy to handle. The facers accept most printing inks well. O

ur experience shows NAZ-DAR 79000 series corogloss ink and Ink Designs Modified Acrylic works well. Caution should be taken with any ink. Always test ink on ULTRA BOARD prior to production run. Allow 24-96 hours after test printing to evaluate the suitability of the ink for the intended application. And follow all of the ink manufacturers instructions. SURFACE PREPARATION For best results in silk screening ULTRA BOARD panels it is recommended the panels be cleaned to avoid the clogging of screens. This can be accomplished by wiping the panel with a tacky cloth or by cleaning the panel with isopropyl alcohol or glass cleaner prior to screening. DRYING Drying by oxidation and evaporation is recommended. Allow the freshly printed ULTRA BOARD to dry the length of time suggested by the particular ink manufacturer. ULTRA VIOLET INKS U.V. inks can be used with ULTRA BOARD. However board thickness type of ink wattage of U.V. lamp and exposure time can affect results. Always test the suitability of the ink and the drying process for your particular ULTRA BOARD thickness. Allow 24-96 hours after test printing to evaluate the results. And follow all of the ink manufacturers instructions. httpwww.ultraboard.comultraboard_tech.html 5 of 77262009 70313 PM