ASTM C921-03a

Standard Practice for Determining the Properties of Jacketing Materials for Thermal Insulation (Includes all amendments And changes 12/31/2010).

Automatically translated name:

Standard Practice for Determining the Properties of Jacketing Materials for Thermal Insulation

STANDARD published on 1.10.2003

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The information about the standard:

Designation standards: ASTM C921-03a
Note: WITHDRAWN
Publication date standards: 1.10.2003
SKU: NS-15649
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM C921-03a :

Keywords:

below ambient , flexible, jacket, semi-rigid, thermal insulation, ICS Number Code 27.220 (Heat recovery. Thermal insulation)

Additional information

1. Scope

1.1 This practice covers jackets applied over thermal insulation on piping and equipment, including materials applied solely for physical protection, and materials applied as vapor retarders.

1.2 This practice provides material and physical requirements, or both, for jackets. Guidance in selecting the proper jacket for a given application can be found in Guide C 1423.

1.3 This practice does not cover field applied mastics or barrier coatings and their attendant reinforcements, nor does it cover jackets for buried insulation systems.

1.4 The values stated in inch-pound units are to be regarded as standard. SI units are given in parenthesis.

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. 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.

2. Referenced Documents

C1423-21	Standard Guide for Selecting Jacketing Materials for Thermal Insulation
C1338-25	Standard Test Method for Determining Fungi Resistance of Insulation Materials and Facings
D828-22	Standard Test Method for Tensile Properties of Paper and Paperboard Using Constant-Rate-of-Elongation Apparatus
D882-26	Standard Test Method for Tensile Properties of Thin Plastic Sheeting
D1204-25	Standard Test Method for Linear Dimensional Changes of Nonrigid Thermoplastic Sheeting or Film at Elevated Temperature
E84-26a	Standard Test Method for Surface Burning Characteristics of Building Materials (Includes all amendments and changes 4/15/2026).
E96/E96M-24a	Standard Test Methods for Gravimetric Determination of Water Vapor Transmission Rate of Materials (Includes all amendments and changes 11/20/2024).
T461	Flame Resistance of Treated Paper and Paperboard Available from Technical Association of the Pulp and Paper Industry (TAPPI), 15 Technology Parkway South, Suite 115, Peachtree Corners, GA 30092, http://www.tappi.org.
A336/A336M-23	Standard Specification for Alloy Steel Forgings for Pressure and High-Temperature Parts
A240/A240M-26	Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A653/A653M-25a	Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process (Includes all amendments and changes 12/5/2025).
A792/A792M-25a	Standard Specification for Steel Sheet, 55 % Aluminum-Zinc Alloy-Coated by the Hot-Dip Process (Includes all amendments and changes 12/5/2025).
B209-14	Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate
C168-25	Standard Terminology Relating to Thermal Insulation
C390-08(2024)	Standard Practice for Sampling and Acceptance of Thermal Insulation Lots
C921-10	Standard Practice for Determining the Properties of Jacketing Materials for Thermal Insulation
C1258-21a(2026)	Standard Test Method for Elevated Temperature and Humidity Resistance of Vapor Retarders for Insulation (Includes all amendments and changes 3/24/2026).
C1263-95(2026)	Standard Test Method for Thermal Integrity of Flexible Water Vapor Retarders
D774-D774M-97	Standard Test Method for Bursting Strength of Paper

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