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Significance and Use
Resilient floor covering is made by fusing polymer materials under heat or pressure, or both, in various manufacturing and decorating processes. The polymer material may be compounded with plasticizers, stabilizers, fillers, and other ingredients for processability and product performance characteristics. The formulation of the compound can be varied considerably depending on the desired performance characteristics and methods of processing.
Light stability, which is resistance to discoloration from light, is a basic requirement for functional use.
This test method provides a means of measuring the amount of color change in flooring products when subjected to accelerated light exposure over a period of time (functional use of the flooring product).
This test method specifies that a sample is measured by a spectrophotometer and expressed in ΔE* units before and after accelerated light exposure.
Note 1—It is the intent that this test method be used for testing light stability performance properties to be referenced in resilient flooring specifications.
1.1 This test method covers a procedure for determining the resistance of resilient floor covering to color change from exposure to light over a specified period of time.
1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D2244 Practice for Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color Coordinates
D2565 Practice for Xenon-Arc Exposure of Plastics Intended for Outdoor Applications
D4459 Practice for Xenon-Arc Exposure of Plastics Intended for Indoor Applications
E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
G155 Practice for Operating Xenon Arc Light Apparatus for Exposure of Non-Metallic Materials
DIN StandardDIN53384 Artificial Weathering and Aging of Plastics by Exposure to Laboratory UV Radiation Sources, April 1989
ICS Number Code 19.040 (Environmental testing); 83.080.20 (Thermoplastic materials); 91.060.30 (Ceilings. Floors. Stairs)
UNSPSC Code 30161700(Flooring)