DUNA-USA material CORAFOAM® P 20 recently obtained the certification to meet Standard ASTM C (Standard Specification for unfaced preformed rigid . ASTM C Standard Specification for Unfaced Preformed Rigid Cellular Polyisocyanurate Thermal Insulation This specification covers the types physical . Buy ASTM C SPECIFICATION FOR UNFACED PREFORMED RIGID CELLULAR POLYISOCYANURATE THERMAL INSULATION.
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The test specimens shall be cut from the cores of the test samples as required for testing. NOTE 3—The application of a vapor retarder may be required in conjunction with the application of this insulation. This standard is also available to be included in Standards Subscriptions. A number in parentheses indicates the year of last reapproval. As the voice of the U. This standard is not included in any packages. Add to Alert PDF. This standard does c91 purport to address all of the safety concerns, if any, associated with its use.
Your Alert Profile lists the documents that will be monitored. The thermal insulation is produced by the polymerization of polymeric polyisocyanates in the presence of polyhydroxyl compounds, catalysts, cell stabilizers, and blowing agents. If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below.
This standard is also available to be included in Standards Subscriptions. Polyurethane modified polyisocyanurate and other polyurethane materials are similar, but the materials will perform differently under some service conditions.
The maximum deviation from corner qstm shall not be greater than 1? As the voice of the U. This abstract is a brief summary of the referenced standard. Need more than one copy?
CORAFOAM® P 20 meets ASTM C – News – DUNA-Group
The maximum deviation from edge squareness shall not be greater that 1? Different test methods shall be ashm in order to determine the thermal insulation’s following properties: Please first verify your email before subscribing to alerts.
The apparent thermal conductivity of the material tested shall not be greater 3 We have no amendments or corrections for this standard. Your Alert Profile lists the documents that will be monitored. This standard is not included in any packages.
Polyurethane modified polyisocyanurate and other polyurethane materials are similar, but the materials will perform differently under some service conditions.
The values given in parentheses are for information adtm and may be approximate.
CORAFOAM® P 20 meets ASTM C 591
Dimension Length Width Thickness Tolerance, in. Last previous edition C — Consult the manufacturer for speci? Additional test data such as tensile strength, com- adtm resistance, and dimensional stability may be helpful in determining the end use suitability. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server.
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Please first log in with a verified email before subscribing to alerts. 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. Packaging and Marking Current edition approved May 10, aztm Materials and Manufacture 6. Subscription pricing is determined by: The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
This standard does not encompass all polyurethane modi? Need more than one copy? Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.