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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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.
ASTM C – 11 Standard Specification for Mineral Fiber Pipe Insulation
The standard contains five types classified primarily by maximum use temperature. The standard further classifies products by grade.
The materials aztm 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.
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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. 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.
These products are intended to keep the insulation material dry for chilled water piping in high-humidity locations.
Mineral fiber pipe insulations systems are also available with self-drying wicking material that wraps continuously around pipes, valves, and fittings. Fiberglass and mineral wool products fall in this category. Need more than one copy? Fibrous insulations are composed of small-diameter fibers c57 finely divide the air space.
ASTM C – 17 Standard Specification for Mineral Fiber Pipe Insulation
Mineral fiber insulations are defined by ASTM as insulations composed principally of fibers manufactured from rock, slag, or glass, with or without binders. The pipe insulation may be molded or precision v-grooved with one or more walls split longitudinally and used up to a specified temperature. These insulations are flexible and are normally supplied as batts or rolled blankets. This specification covers mineral fiber pipe insulation that are formed into hollow cylinders for standard pipe and tubing sizes.
We have no amendments or corrections for this standard. Failure to use a vapor barrier can lead to insulation and asstm damage. See Annex A1 of this standard. The standard contains seven types classified by maximum use temperature and thermal conductivity.
Historical Version s – view previous versions of standard. The standard also contains requirements for sag resistance, linear shrinkage, water-vapor sorption, surface-burning characteristics, hot surface performance, and non-fibrous shot content. Refer to Practice C to aid material selection. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards. Fibrous Insulations Fibrous insulations are composed of small-diameter fibers that finely divide the air space.
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.
Further, there is an optional requirement in Astmm C for stress corrosion performance if the product is to be used in contact with austenitic stainless steel piping.
This abstract is a brief summary of the referenced standard. 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. This standard contains five types classified by maximum use temperature and thermal conductivity. There is some confusion concerning the nomenclature used for these materials.
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The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. Subscription pricing is determined by: Each of these types is further classified by compressive resistance.
Typical inorganic fibers include glass, rock wool, slag wool, and alumina silica. Please first verify your email before subscribing to alerts.
Exploring Insulation Materials
The standard also contains requirements for flexibility, water-vapor sorption, odor emission, surface-burning characteristics, corrosiveness, and shot content. 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. The products may be specified with various factory-applied facings, or may be ordered unfaced. The fibers may be organic or inorganic and they are normally but not always held together by a binder.
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