These include mineral fiber, perlite, polyisocyanurate, polystyrene and phenolic materials. Your basket is empty. These test methods examine mechanical, physical and thermal properties, properties related to water absorption and water vapor exposure, and flammability related properties. Tensile Strength Parallel to Surface. Size of Finished Board.

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A number in parentheses indicates the year of last reapproval. This standard has been approved for use by agencies of the U. Department of Defense. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.

These include mineral fiber, perlite,polyisocyanurate, polystyrene and phenolic materials. Referenced Documents2. It ischaracterized by an integral bond that is produced by interfelt-ing of the fibers, but which has not been consolidated underheat and pressure as a separate stage in manufacture. Othermaterials may be added during manufacture to improve certainproperties. Current edition approved Oct. Published October Originallyapproved in Last previous edition approved in as C — United States Significance and Use4.

These test methods examine mechanical,physical and thermal properties, properties related to waterabsorption and water vapor exposure, and flammability relatedproperties. NOTE 1—Committee C is in the process of splitting this documentinto discrete test methods categorized by the nature of the test methods. When possible, the largerdimension of the sample shall be crosswise of the longerdimension of the board as it is usually obtained.

When theindividual boards are less than 36 by 48 in. Test Conditions6. Tests thenshall be made on specimens conditioned until equilibrium isobtained in accordance with Practice C Pressure on the contacting surfacesshall not be greater than 1 psi 6.

Take care that the sample is not deformed whenthe thickness measurements are taken. Size of Finished Board8. Obtain the average length of thefinished board in a similar manner. Thermal Conductivity9. Test two specimens from onesample from one board. Transverse Strength The bearing edges shall be straight and shall maintain fullcontact with the specimen throughout the test.

Threespecimens from the long dimension of each sample from eachboard and three at right angles shall be tested. If the sample hasa dimension less than 15 in. Report as the average transverse load in pounds-force orNewtons in each direction for a sample, the average of threespecimens taken from that direction.

Report as the totalaverage transverse load in each direction, the average of allsamples in that direction. Deflection at Specific Minimum Load Report as the totalaverage deflection in each direction, the average of all samplesin that direction.

Tensile Strength Parallel to Surface Three specimens from the long direction of each sample fromeach board and three at right angles thereto shall be tested.

Clamp the specimens in the jaws at a minimum distance of 6in. Measure the specimens, afterbreaking, for width and thickness at the break to the nearest0. Report as the totalaverage value in each direction, the average of all samples inthat direction. Tensile Strength Perpendicular to Surface Two specimens shall be tested, oneeach from the sample from two boards. Note the location of the line offailure.

Water Absorption SI Equivalentsin. Threespecimens shall be tested, one each from the sample from threeboards. Measure thethickness of the specimen with reasonable accuracy andcalculate the volume therefrom.

Then carefully weigh thespecimen and submerge it horizontally under 1 in. After2hofsubmersion, place the specimen on end todrain for 10 min; at the end of this time remove the excesssurface water by hand with a blotting paper or paper towel, andimmediately weigh the specimen. If a h water sorption isrequired, conduct it in accordance with the appropriate sectionsof Test Methods D The specific gravity of the water shall be as-sumed to be 1.

Report the average waterabsorption percent by volume of the three specimens. Linear Expansion Test one specimen fromthe long dimension of each sample from each board and one atright angles thereto. Water Vapor Transmission Test three specimens, one each from the sample fromthree boards.

Flame Spread Index Moisture Content and Density


ASTM C209 - 20









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