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ASTM C533-07

(Specification)

Standard Specification for Calcium Silicate Block and Pipe Thermal Insulation

Standard Specification for Calcium Silicate Block and Pipe Thermal Insulation

ABSTRACT
This specification covers calcium silicate block and pipe thermal insulation for use on surfaces. Thermal insulation shall be of the following types: Type I; Type IA; and Type II. Calcium silicate thermal insulation shall consist principally of hydrous calcium silicate usually with the incorporation of fibrous reinforcement. The insulation shall conform to the physical requirements specified. Following test methods shall be performed: block insulation; pipe insulation; apparent thermal conductivity; linear shrinkage after heat soaking; flexural strength; compressive strength; mass loss by tumbling; hot surface performance; surface burning characteristics; stress corrosion performance; and moisture content by dry weight.
SCOPE
1.1 This specification covers calcium silicate block and pipe thermal insulation for use on surfaces with temperatures between 80 and 1700°F (27 to 927°C), unless otherwise agreed upon between the manufacturer and the purchaser.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
The following safety hazards caveat pertains only to the test method (Section 12) described in this specification: 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.

General Information

Status
Historical
Publication Date
28-Feb-2007
ICS
91.100.60 - Thermal and sound insulating materials
Technical Committee
C16 - Thermal Insulation
Drafting Committee
C16.20 - Homogeneous Inorganic Thermal Insulations
Current Stage
Ref Project

Relations

Replaces
ASTM C533-04 - Standard Specification for Calcium Silicate Block and Pipe Thermal Insulation
Effective Date
01-Mar-2007
Replaced By
ASTM C533-09 - Standard Specification for Calcium Silicate Block and Pipe Thermal Insulation
Effective Date
01-Apr-2009
Referred By
ASTM C1558-19 - Standard Guide for Development of Standard Data Records for Computerization of Thermal Transmission Test Data for Thermal Insulation
Effective Date
01-Mar-2007
Referred By
ASTM C1696-20 - Standard Guide for Industrial Thermal Insulation Systems
Effective Date
01-Mar-2007
Referred By
ASTM F683-23 - Standard Practice for Selection and Application of Thermal Insulation for Piping and Machinery
Effective Date
01-Mar-2007
Referred By
ASTM C419-20 - Standard Practice for Making and Curing Test Specimens of Mastic Thermal Insulation Coatings
Effective Date
01-Mar-2007

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ASTM C533-07 - Standard Specification for Calcium Silicate Block and Pipe Thermal InsulationASTM C533-07 - Standard Specification for Calcium Silicate Block and Pipe Thermal Insulation
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ASTM C533-07 - Standard Specification for Calcium Silicate Block and Pipe Thermal Insulation
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: C 533 – 07
Standard Specification for
1
Calcium Silicate Block and Pipe Thermal Insulation
This standard is issued under the fixed designation C533; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber 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.
1. Scope High-Temperature Thermal Insulation Subjected to Soak-
ing Heat
1.1 Thisspecificationcoverscalciumsilicateblockandpipe
C390 Practice for Sampling and Acceptance of Thermal
thermal insulation for use on surfaces with temperatures
Insulation Lots
between80and1700°F(27to927°C),unlessotherwiseagreed
C411 Test Method for Hot-Surface Performance of High-
upon between the manufacturer and the purchaser.
Temperature Thermal Insulation
1.2 Thevaluesstatedininch-poundunitsaretoberegarded
C421 Test Method for Tumbling Friability of Preformed
as the standard. The values given in parentheses are for
Block-Type Thermal Insulation
information only.
C446 Test Method for Breaking Load and Calculated
1.3 The following safety hazards caveat pertains only to the
3
Modulus of Rupture of Preformed Insulation for Pipes
test method (Section 12) described in this specification: This
C450 PracticeforFabricationofThermalInsulatingFitting
standard does not purport to address all of the safety concerns,
Covers for NPS Piping, and Vessel Lagging
if any, associated with its use. It is the responsibility of the user
C518 Test Method for Steady-State Thermal Transmission
of this standard to establish appropriate safety and health
Properties by Means of the Heat Flow Meter Apparatus
practices and determine the applicability of regulatory limita-
C585 Practice for Inner and Outer Diameters of Rigid
tions prior to use.
Thermal Insulation for Nominal Sizes of Pipe and Tubing
2. Referenced Documents
(NPS System)
2
C795 Specification for Thermal Insulation for Use in Con-
2.1 ASTM Standards:
tact with Austenitic Stainless Steel
C165 Test Method for Measuring Compressive Properties
C870 Practice for Conditioning of Thermal Insulating Ma-
of Thermal Insulations
terials
C168 Terminology Relating to Thermal Insulation
C 1045 Practice for Calculating Thermal Transmission
C177 Test Method for Steady-State Heat Flux Measure-
Properties Under Steady-State Conditions
ments and Thermal Transmission Properties by Means of
C1058 Practice for Selecting Temperatures for Evaluating
the Guarded-Hot-Plate Apparatus
and Reporting Thermal Properties of Thermal Insulation
C203 Test Methods for Breaking Load and Flexural Prop-
C 1114 TestMethodforSteady-StateThermalTransmission
erties of Block-Type Thermal Insulation
Properties by Means of the Thin-Heater Apparatus
C302 Test Method for Density and Dimensions of Pre-
C1616 Test Method for Determining the Moisture Content
formed Pipe-Covering-Type Thermal Insulation
of Inorganic Insulation Materials by Weight
C303 Test Method for Dimensions and Density of Pre-
E84 Test Method for Surface Burning Characteristics of
formed Block and Board−Type Thermal Insulation
Building Materials
C335 Test Method for Steady-State Heat Transfer Proper-
ties of Pipe Insulation
3. Terminology
C356 Test Method for Linear Shrinkage of Preformed
3.1 Definitions—For definitions used in this specification,
see Terminology C168.
1
This specification is under the jurisdiction of ASTM Committee C16 on
4. Classification
Thermal Insulation and is the direct responsibility of Subcommittee C16.20 on
Homogeneous Inorganic Thermal Insulations.
4.1 Thermal insulation shall be of the following types:
Current edition approved March 1, 2007. Published March 2007. Originally
4.1.1 Type I—Blockforuseonsurfacesattemperaturefrom
approved in 1964 to replace C344 and C345. Last previous edition approved in
140°F (60°C) to to 1200°F (649°C).
2004 as C533–04.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
3
the ASTM website. Withdrawn.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
C533–07
4.1.2 Type I—Pipe for use on surfaces at temperature from (13-mm) increments. Thicknesses greater than 3 in. (76 mm)
140°F (60°C) to to 1200°F (649°C). shall be furnished in one or more layers as agreed upon by
4.1.3 Type IA—Block for use on surfaces at temperatures purchaser and manufacturer.
from 140°F (60°C) to to 1200°F (649°C). 7.1.2 Curved Block—Curved block shall be furnishe
...

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1.1 This specification covers the classification and performance of flexible aerogel thermal insulation. This will cover the range of continuous exposure operating temperatures from –321°F (–196°C) up to 1200°F (649°C).  
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This specification covers structural insulating board for general thermal insulating, fire-resistive, and marine bulkhead applications. The structural insulating boards shall be of the following types and grades: Types I and II and Grades 1; 2; 3; 4; 5; 6; 7; and 8. Calcium silicate structural insulating board shall be composed of hydrated calcium silicate with natural or man-made fibers or fillers, or a combination thereof. The following test methods shall be performed: dimensions and density; flexural strength; compressive strength; screw holding strength; apparent thermal conductivity; combustion characteristics; and maximum use temperatures.
SCOPE
1.1 This specification covers structural insulating board for general thermal insulating, fire-resistive, and marine bulkhead applications. The rigid, preformed structural insulating board is for use at temperatures up to 1700°F (927°C). For specific applications, the actual temperature limit shall be agreed upon between the manufacturer and the purchaser.  
1.2 The structural insulating board maintains its structural integrity after immersion in water.  
1.3 Rapid cycling over a wide temperature range is not recommended because of potential damage due to thermal shock.  
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1.5 When the installation or use of thermal insulation materials, accessories and systems, may pose safety or health problems, the manufacturer shall provide the user appropriate current information regarding any known problems associated with the recommended use of the company's products, and shall also recommend protective measures to be employed in their safe utilization. The user shall establish appropriate safety and health practices and determine the applicability of regulatory requirements prior to use.  
1.6 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
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ASTM C1374-18(2023)(Test Method)
Standard Test Method for Determination of Installed Thickness of Pneumatically Applied Loose-Fill Building Insulation

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5.1 This test method was designed to give the manufacturer of loose-fill insulation products a way of determining what the initial installed thickness should be in a horizontal open attic for pneumatic applications.  
5.2 The installed thickness value developed by this test method is intended to provide guidance to the installer in order to achieve a minimum mass/unit area for a given R-value.  
5.3 For the purpose of product design, testing should be done at a variety of R-values. At least three R-values should be used: the lowest R-value on the product label, the highest R-value on the product label, and an R-value near the midpoint of the R-value range.
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SCOPE
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