This standard is issued under the fixed designation C ; the number immediately 1 This specification is under the jurisdiction of ASTM Committee C on. are defined by ASTM as insulations composed principally of fibers the requirements of ASTM C Type I, Grade A” or “Mineral Wool pipe. ASTM Standard. C Grade I. C ASTM Standard. Temp (°F) – Max. . Granular. Granular. Granular Type of Material. ASTM Standard. C Type I. C

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Each of these types is further classified by compressive resistance. These pipe insulation products may be specified with various factory-applied facings, or they may be jacketed in the field. This specification covers mineral fiber pipe insulation that are formed into hollow cylinders for standard pipe and tubing sizes.

See Annex A1 of this standard. Category 1 materials have no requirement for compressive resistance, while Category 2 materials require a minimum compressive resistance value. Please first verify your email before subscribing to alerts. This specification covers mineral fiber pipe insulation that are formed into hollow asym for standard pipe and tubing sizes. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered 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. Proceed to Checkout Continue Shopping. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Work Item s – proposed revisions of this standard.

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 does not give any warranty express or implied or f547 any representation that the contents of this abstract are accurate, complete or up to date.

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Follow Us On Twitter http: The standard contains seven types classified by maximum use temperature and thermal conductivity. Refer to Practice C to aid material selection.

ASTM C – Standard Specification for Mineral Fiber Pipe Insulation

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Mineral fiber insulations are defined by ASTM as insulations composed principally of fibers manufactured from rock, slag, or glass, with or without binders. The standard further classifies products by grade. There is some confusion concerning the nomenclature used for these materials. These insulations are flexible and are normally supplied as batts or rolled blankets. Mineral fiber pipe insulations systems are also available with self-drying wicking material that wraps continuously around pipes, valves, and fittings.

Failure to use a vapor barrier can lead to insulation and system damage. 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 atsm grades according to heating requirements.

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Exploring Insulation Materials

Specifiers are cautioned to call out both the specific material asmt the ASTM type and grade when specifying these products. Typical inorganic fibers include glass, rock wool, slag wool, and alumina silica.

You can download and open this file to your own computer but DRM c457 opening this file on another computer, including a networked server. If the document is revised or amended, you will be notified by email. Mineral fiber pipe insulation sections are typically supplied in lengths of 36 inches, and are available for most standard pipe and tubing sizes. The standard also contains requirements for flexibility, water-vapor sorption, odor emission, surface-burning characteristics, corrosiveness, and shot content.

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Historical Version s – view previous versions of standard. Add to Alert PDF. This abstract is a brief summary of the referenced standard. The fibers may be organic or inorganic and they are normally but not always held together by a binder.

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The mineral fiber insulation should be manufactured from molten mineral substances such as rock, slag, or glass and processed into fibrous form using a binder, and adhesives when preferred. Fibrous insulations are composed of small-diameter fibers that finely divide the air space. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application.

Further, there is an optional requirement in ASTM C for stress corrosion performance if the product is to be used in contact with austenitic stainless steel. As the voice of the U. All products should conform to the required values of hot surface performance, non-fibrous content, use temperature, sag resistance, linear shrinkage, water vapor sorption, surface-burning characteristics, apparent thermal conductivity, and mean temperature.

This standard is also available to be included in Standards Subscriptions. The standard also contains requirements for linear shrinkage, water-vapor sorption, surface-burning characteristics, odor emission, corrosiveness to steel, rigidity, and shot non-fibrous content.

This standard is not included in any packages. Fiberglass and mineral wool cc547 fall in this category. The specified maximum thermal conductivity for all types is 0.

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