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Bestone® is a Solid Surface material manufactured from polymeric resin and aluminum trihydrated. Solid Surface materials are non-porous and homogeneous, and pigments can be added to enhance the color effects, with the same composition throughout the thickness. Solid Surface is capable of being repaired, renewed to the original finish and fabricated into continuous surfaces with inconspicuous seams. Solid surface materials meet the requirements of ANSI/ICPA SS-1-200.
Ability to be polished – describes whether and to what degree the material can be finished. Values range between a matte finish and a high gloss (0-60). Higher numbers indicate a higher gloss on the specific part.
Bacterial - fungal resistanc – tests the material’s ability to inhibit the growth of bacteria and fungus. See ASTM G 21 and G 22.
Barcol Hardness – a scale that defines hardness compared to similar materials. Higher readings indicate higher degrees of hardness. See ASTM D 2583. A high reading above the typical range could indicate a brittle material. A low reading could indicate under cured material.
SOLID SURFACE materials have Barcol readings, typically, between 45 and 65.
Color stability – describes how the color changes over time. The lower the color change the better it is. See ANSI/ICPA SS-1-2001 and NEMA LD 3.3 for examples of test conditions.
FDA approved – The FDA tests individual final products to determine if any hazardous chemicals can be extracted from the part. If the extractable materials are lower than the FDA guidelines, which demonstrate the non-adulteration of food, then the FDA can approve or list the part for a specific use. Please consult directly with the FDA or any regulatory agency on the specifics of their procedures and protocols.
FDA compliant – If all materials used to make a solid surface product are listed in Title 21 of the Code of Federal Regulations then the material is said to contain only FDA Compliant ingredients. This is a less rigorous standard than FDA Approved.
Flexural Modulus – describes the stiffness, a measure of the resistance to deformation under load, of the material with a high number indicating greater stiffness. A low Flex Modulus indicates a material that bends easily and one that requires more support. A high number ICPA Page 2 January 20, 2003 indicates a material that may not be forgiving enough to be flat on an imperfect surface.
See ASTM D 760 for specifics. A load test can indicate performance along the seam lines as the Flex Modulus. A load test applies the force over a larger area of the test specimen and is more representative of most actual use conditions. A wide range of Flex Modulus values are appropriate for Solid surface as long as it is accounted for in the design of the installation. Creep describes the long-term behavior of the material under constant load. Creep resistance is important for structural members.
Flexural Strength – describes the amount of force required to bend and break the material when a specific thickness, test piece is bent. This is sometimes called the load sustained at failure. A test piece is supported at both ends, a force is applied to a small, concentrated area in the center and the force and amount of bending is measured. See ASTM D 760 for specifics.
High temperature resistance – describes the ability of the material to retain its integrity when exposed to high temperature (365°F). Glass Transition Temperature (Tg) is another measure of high temperature resistance that describes the temperature at which the material softens. Higher temperatures indicate the material will need to be heated more before it deforms.
Home chemical resistance – describes how the material maintains its integrity when exposed to typical household chemicals. Any change to the surface must be repairable back to the original finish to attain a passing rating. Repairable is defined in ANSI/ICPA SS-1-2001 Section 7.
Impact resistance – describes the resistance of the material to being chipped or broken by an impact on a small area of the material. See ASTM D 256 or NEMA LD 3. Laboratory chemical resistance– describes how the material maintains its integrity when exposed to laboratory chemicals. Any change to the surface must be repairable back to the original finish to attain a passing rating. Resistance to specific chemicals not covered by ANSI/ICPA SS-1 2001 should be evaluated to attain approximate performance prior to use by exposing the surface to the specific chemical of interest in the same manner as described in ANSI/ICPA SS-1 2001.
Scratch resistance – describes the amount of force necessary to scratch the material. ICPA Page 3 January 20, 2003 Stain resistance – describes how ten household materials (covered and uncovered) can initially leave a mark on the surface and how much effort is required to remove the mark. The best performance is when all of the staining materials can be easily removed.
The ANSI test result is the total of the score on each household material and the result does not discriminate between or among the individual stain results. Higher values indicate that more effort was required to remove the stains. The maximum passing value is 64. Any combination of the 20 values totaling 64 or less yields a passing score. 20 scores of 3 passes as does 10 scores of 1 and 10 scores of 5. Any stains not removable by sanding 0.005 in. of the solid surface automatically generate a failure in the test. See ANSI/ICPA SS-1-2001 for specifics of the test method.
Surface conductivity - describes a test of the electrical resistance or conductivity of the material. It is related to the dissipation of static electricity from the surface.
Thermal Expansion – describes how much the material expands upon warming and contracts upon cooling. A wide range of Coefficient of Linear Thermal Expansion (CLTE) values is appropriate for solid surface as long as the expansion and contraction is known and accounted for in the design and engineering of the installation.
UV weathering stability – describes how the color and the surface appearance change as the material is exposed to ultraviolet light. This is an accelerated test that subjects the part to significantly more intense radiation than it is exposed to in the real world. Test results may not accurately represent actual use results. See NEMA LD 3.3 and ASTM D 2565 for examples of test conditions.
Water resistance - is a test that determines the ability of the material to withstand repeated exposure to water. There are two separate ways this is reported. First, as a water absorption rate over a specific time period, where a lower number means that less water soaked into the solid surface. Second, it describes the material’s ability to maintain its appearance and integrity over a range of temperatures. ANSI has established different temperature ranges for different applications. 70°F to 190°F and 50°F to 150°F are typical ranges. This hot and cold cycling test is often referred to as Thermal Shock Resistance.
Wear resistance – describes the resistance to being worn away during continuous exposure to brushes. Intended to show long-term resistance to cleaning, scrubbing and use with ICPA Page 4 January 20, 2003 respect to maintaining the initial gloss surface appearance of the solid surface part. See ANSI Z124.6.5 and NEMA LD 3.3 for specific test method
Notice to Reader
To the best of our knowledge, the information contained herein is accurate. However, neither the above named manufacturer nor any of its subsidiaries assumes any liability whatsoever for accuracy or completeness of the information contained herein. Final determination of suitability of any material is the sole responsibility of the user. All materials may present unknown hazards and should be used with caution. Although certain hazards are described herein, we cannot guarantee that these are the only hazards that exist.
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