Mineral Fiber Pipe Insulation1 This standard is issued under the xed designation C ; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon e indicates an editorial change since the last revision or reapproval. This standard has been approved for use by agencies of the Department of Defense.

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Mineral Fiber Pipe Insulation1 This standard is issued under the xed designation C ; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.

A superscript epsilon e indicates an editorial change since the last revision or reapproval. This standard has been approved for use by agencies of the Department of Defense. Scope 1. The mineral ber pipe insulation may be molded or precision v-grooved, with one or more walls split longitudinally for use on pipe temperatures up to F C. Failure to use a vapor barrier can lead to insulation and system damage. Refer to Practice C to aid material selection. The values given in parentheses are for information only.

See Annex A1 of this standard. 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. Referenced Documents 2. Current edition approved Aug. Published September Originally approved in Last previous edition approved in as C Terminology 3. Machined segments are adhered to a backing to form a full-round cylindrical pipe insulation section.

Due to the precision of the process, the product has no gaps when installed. Classication 4. Products having a Grade B designation are designed to be used with a heat-up schedule. Failure to use a heat-up schedule with Grade B products may lead to an exothermic reaction. This is dependent on thickness and temperature.

Consult the manufacturer or manufacturers literature for special heat rate considerations. Asbestos shall not be used as an ingredient or component part. Some products may also contain adhesive. NOTE 2The user is advised that the maximum use temperature of factory-applied facings and adhesives may be lower than the maximum use temperature of the insulation.

The specier shall ensure that sufficient insulation thickness is installed so none of these accessory items facings and adhesives are exposed to temperatures above their maximum use temperature. The products covered by this standard are predominantly inorganic in nature. Organic facings, adhesives and binders are also used in the construction of these products. The resulting composite therefore could have increased combustibility.

Physical Requirements 6. No evidence of melting or ber degradation shall be evident upon post test inspection. Standard Shapes, Sizes, and Dimensions 7. It is furnished in sections or segments designed to t standard sizes of pipe and tubing. Dimensional Tolerances 8. The deviation from concentricity shall not exceed in.

Workmanship 9. Consult the manufacturer regarding special heat rate considerations. Materials and Manufacturer 5. K Mean temperatureA F C 38 93 A The user is advised that retrot applications where new insulation is being applied over existing could require knowing the thermal conductivity of the existing layer at mean temperatures above those shown.

Consult a manufacturer for data at mean temperatures exceeding those listed. Sampling Test Methods NPS 3 2-in. Thermal performance must be assessed on actual pipe insulation sections. Data obtained on at samples, using Test Method C , shall not be used to state compliance with this specication. At least two additional tests shall be distributed somewhat evenly over the rest of the temperature range.

WarningWhile it is recommended that the specication data be presented as thermal conductivity versus temperature, several existing specications may contain mean temperature data from tests conducted at specic hot and cold surface temperatures. In these cases, the conductivity as a function of temperature from the C analysis may provide different results. To insure that the data is compatible, a C analysis, using the thermal conductivity versus temperature relationship from C and the specic hot and cold surface temperatures, is required to determine the effective thermal conductivity for comparison to the specication requirements.

This applies to plain and factory-jacketed products, with and without self-sealing longitudinal lap closure systems. These methods are largely considered synonymous by most building officials. C 07e1 A test specimen shall be at least in. All types shall be tested at 6-in. For Class B material any special requirement for heat-up shall be specied by the manufacturer shall be used.

A pin gage suitable for this is described by Test Methods C The measurement shall be taken at the top longitudinal center of the horizontally mounted test specimen. The pin gage shall be vertically inserted through the insulation to obtain tip contact with the hot pipe surface. The pin gage shall be read with a steel rule to the nearest in. Qualication Requirements Inspection The following requirements are generally employed for the purposes of acceptance and sampling of lots, on shipments of qualied insulation: Rejection should be reported to the manufacturer or supplier promptly and in writing.

The manufacturer and supplier have the right to verify rejected products. Packaging and Package Marking When specied in the purchase order or contract, each container shall also be marked with the appropriate Specication C type and maximum use temperature. Keywords The measurements are in the center of the insulation length and 3-in.

These values are recorded as the initial thickness. The measurement points are marked as the re-measurement points after compression. See Fig. The saddle may be placed on top of the half round segment, or the segment may rest in the saddle upside down from the gures provided.

If the saddle is placed on top, and is not xed to the crosshead of the testing machine, then its. C 07e1 mass shall be taken into account as part of the pounds force applied to the half round section. If the saddle is on the bottom, then the 3 in. Hence there would be no apparatus mass to be accounted for.

This is repeated a total of ten times. The test speed shall be 0. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every ve years and if not revised, either reapproved or withdrawn.

Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.

Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. 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. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phone , fax , or service astm.

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Exploring Insulation Materials

Fibrous insulations are composed of small-diameter fibers that finely divide the air space. The fibers may be organic or inorganic and they are normally but not always held together by a binder. Typical inorganic fibers include glass, rock wool, slag wool, and alumina silica. Mineral Fiber Fiberglass and Mineral Wool. Mineral fiber insulations are defined by ASTM as insulations composed principally of fibers manufactured from rock, slag, or glass, with or without binders. Fiberglass and mineral wool products fall in this category.


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Historical Version s - view previous versions of standard. Work Item s - proposed revisions of this standard. More C This specification covers mineral fiber pipe insulation that are formed into hollow cylinders for standard pipe and tubing sizes. The pipe insulation may be molded or precision v-grooved with one or more walls split longitudinally and used up to a specified temperature. The materials are classified into five types according to the processing method used to form the material and the operating temperatures and into two grades according to heating requirements.


ASTM C ASTM D ASTM C Designation: C — 07 Standard Speci?



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