ASTM C1248-08
Standard Test Method for Staining of Porous Substrate by Joint Sealants
- Standard No.
- ASTM C1248-08
- Release Date
- 2008
- Published By
- American Society for Testing and Materials (ASTM)
- Status
- Replace By
- ASTM C1248-08(2012)
- Latest
- ASTM C1248-22
- Scope
Staining of building materials is an aesthetically undesirable occurrence. This test method evaluates the likelihood of a sealant causing an early stain on a porous substrate due to exudation of materials from the sealant. Since this is an accelerated test, it does not necessarily predict that the tested sealants will not stain or discolor porous substrates over longer periods of time.
1.1 This test method covers four types of laboratory tests to determine if a joint sealant has a probability of staining a porous substrate (such as marble, limestone, sandstone, and granite). The tests are on compressed samples and include (1) storage under standard laboratory conditions, (2) storage in an oven, and (3) exposure in a fluorescent UV/condensation device, and (4) exposure in a xenon arc device.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 This standard does not purport to address all of the safety problems, 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.
1.4 The committee with jurisdiction over this standard is not aware of any comparable standards published by other organizations.
ASTM C1248-08 Referenced Document
- ASTM C1442 Standard Practice for Conducting Tests on Sealants Using Artificial Weathering Apparatus
- ASTM C717 Standard Terminology of Building Seals and Sealants
- ASTM G113 Standard Terminology Relating to Natural and Artificial Weathering Tests of Nonmetallic Materials
- ASTM G151 Standard Practice for Exposing Nonmetallic Materials in Accelerated Test Devices that Use Laboratory Light Sources
- ASTM G154 Standard Practice for Operating Fluorescent Ultraviolet (UV) Lamp Apparatus for Exposure of Materials
- ASTM G155 Standard Practice for Operating Xenon Arc Lamp Apparatus for Exposure of Materials*， 2024-04-19 Update
ASTM C1248-08 history
- 2022 ASTM C1248-22 Standard Test Method for Staining of Porous Substrate by Joint Sealants
- 2018 ASTM C1248-18 Standard Test Method for Staining of Porous Substrate by Joint Sealants
- 2008 ASTM C1248-08(2012) Standard Test Method for Staining of Porous Substrate by Joint Sealants
- 2008 ASTM C1248-08 Standard Test Method for Staining of Porous Substrate by Joint Sealants
- 2006 ASTM C1248-06 Standard Test Method for Staining of Porous Substrate by Joint Sealants
- 2004 ASTM C1248-04 Standard Test Method for Staining of Porous Substrate by Joint Sealants
- 1993 ASTM C1248-93(1998) Standard Test Method for Staining of Porous Substrate by Joint Sealants
