ASTM C298-56
(Specification)Specification for Cellular Asbestos Paper Thermal Insulation for Pipes (Withdrawn 1971)
Specification for Cellular Asbestos Paper Thermal Insulation for Pipes (Withdrawn 1971)
General Information
Standards Content (Sample)
NOTICE: This material ma b
by copyright law (Title 1 f UeSp11Cotected
' • • Ode)
Standard Specifications for
CELLULAR ASBESTOS PAPER THERMAL INSULATION
1
FOR PIPES
ASTM Designation: C 298 - 56
ADOPTED, 1956.2
This Standard of the American Society for Testing Materials is issued under
the fixed designation C 298; the final number indicates the year of original
adoption as standard or, in the case of revision, the year of last revision.
NoTE.-An editorial change in Section 10 (b) was made in
March, 1957.
Scope
tion. The ends of each section shall be
cut square.
1. These specifications cover pre
formed thermal insulation constructed of Types
alternate layers of corrugated and fiat
3. Cellular asbestos paper thermal in
asbestos paper, plied together in pipe
sulation for pipes shall be furnished in
covering form, for use on pipes and tub
the following types:
ing at temperatures up to 300 F.
Plies per Inch
Type
of Thickness
Composition and Construction
A . 4
B . 6
2. Each unit or section shall be con
c . 8
structed of a number of plies, each ply
Physical Requirements
consisting of a fiat sheet of asbestos paper
to which is cemented a corrugated sheet
4. The insulation shall conform to the
of asbestos paper. The plies shall be
following physical requirements:
formed into hollow cylinders and bonded
Density, max, lb per cu ft:
together with heat-resisting cement. In
Type A . 13
ner and outer surfaces of each unit shall
Type B . 17
Type C . 21
be smooth, not corrugated, paper. Each
Thermal conductivity (all types), max,
cylinder · shall be split longitudinally
Btu in. per hr sq ft deg Fahr:
down one side and partially, or com
At mean temperature of 100 F. . . . . . . 0. 60
At mean temperature of 150 F. . . . . . . 0. 65
pletely, cut through on the opposite side,
At mean temperature of 200 F. . . . . . . 0. 70
as may be required for proper applica-
Standard Sizes and Thicknesses
1
Under the standardization procedure of the
5. (a) Cellular asbestos paper insula
Society, these specifications are under the juris
tion for pipes shall be furnished in the
diction of the AST:\·I Committee C-16 on Ther
mal Insulating Materials.
form of hollow cylinders, usually 36 in.
2
Prior to adoption as standard, these specifi
in length, in sizes to fit standard pipe
cations were published as tentative from 1952 to
1056. and tubing diameters.
833
12-34
---------------------- Page: 1 ----------------------
8Jl SPECIFICATIONS FOR CELLULAR ASBESTOS PIPE INSULATION (C 298- 56)
Methods of Test
(b) The insulation shall be furnished
in the following thicknesses:
10. The physical properties of the in
sulation shall be determined in accord
Thickness Range
Type
ance with the following methods:
A . . i to 2 in., in increments of i in.
(a) Density.-Method of Test for.
1 to 2 in., in increments of t in.
B . .
i to 2 in., in increments of t in.
c . .
Density of Preformed Pipe- Covering
Type Thermal Insulation (ASTM Des
Dimensional Tolerances
3
ignation: C 302
...
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Scope
1
Referenced Documents
2
Terminology
3
Summary of Test Method
4
Significance and Use
5
Apparatus
6
Test Engine Configuration
6.1
Test Engine
6.1.1
Test Stand Configuration
6.2
Engine Mounting
6.2.1
Intake Air System
6.2.2
Aftercooler
6.2.3
Exhaust System
6.2.4
Fuel System
6.2.5
Coolant System
6.2.6
Oil System
6.2.7
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6.2.7.1
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6.2.7.2
External Oil System
6.2.7.3
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6.2.7.4
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6.2.7.5
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6.3
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6.4
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6.5
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6.6
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7
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7.1
Test Fuel
7.2
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7.3
Solvent
7.4
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8
Cleaning of Parts
8.1
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8.1.1
Engine Block
8.1.2
Cylinder Head
8.1.3
Rocker Cover and Oil Pan
8.1.4
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8.1.5
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8.1.6
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8.1.7
Injector Nozzle
8.1.8
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Engine Assembly
8.2
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8.2.2
Build-Up Oil
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New Parts
8.2.6
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8.3
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8.3.2
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8.3.2.2
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8.3.3.4
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8.3.3.9
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