ASTM C392-63

Specification for Mineral Fiber Block or Board Thermal Insulation for Elevated Temperatures (Withdrawn 1967)

General Information

• Status: Withdrawn
• Technical Committee: C16 - Thermal Insulation

Standards Content (Sample)

Standard Specification for
MINERAL FIBER BLOCK OR BOARD THERMAL INSULATION
1
FOR ELEVATED TEMPERATURES
ASTM Designation: • C 392 - 63
ADOPTED, 1960; REVISED, 1963.2
This Standard of the American Society for Testing and Materials is issued under
the fixed designation C 392; the final number indicates the year of original
adoption as standard or, in the case of revision, the year of last revision.
Scope slag, or glass processed from a molten
state into :fibrous form.
1. This specification covers the com­
(b) M anuf acture.-Mineral fiber block
position, physical properties, and dimen­
or board thermal insulation shall be a
sions of mineral fiber (rock, slag, or
rigid material composed of mineral
glass) block or board for use as thermal
fibers with binder and furnished for
insulation on fiat or nearly fiat surfaces
applications as received in accordance
operating at elevated temperatures up
with the rigidity requirements (Section
to 1800 F. For specific applications, the
10 (a)).
actual temperature limit shall be agreed
upon between the manufacturer and
Types
the purchaser.
4. Three types of mineral fiber block
Definitions
or board insulation are covered as
follows:
2. The Definitions of Terms Relating
Type 1.-0rganic bonded, for use up
to Thermal Insulating Materials (ASTM
3
to 400 F,
Designation: C 168) shall be considered
Type 2.-0rganic bonded, for use up
as applying to the terms used in this
to 700 F, and
specification.
Type J.-Inorganic bonded, for use
Description
up to 1800 F.
3. (a) Composition.-The fiber shall
Physical Requirements
be of mineral substance such as rock,
5. The insulation shall conform to the
1
physical requirements as described m
Under the standardization procedure of
the Society, this specification is under the juris­
Table I.
diction of the ASTM Committee C-16 on
Thermal Insulating Materials.
Standard Sizes and Dimensions
2
Prior to adoptfon as standard, this specifi­
cation was published as tentative from 1957 to
6. Standard sizes of mineral fiber
1960.
3
block or board insulation shall be as
Appears in this publication.
153
45-11

---------------------- Page: 1 ----------------------
154 MI!\"'ERAL FIBER BLOCK OR BOARD INSULATION (C 392)
Methods of Test
follows:
10. The properties enumerated in this
Length, in. Width, in. Thickness, in.
specification shall be determined in
accordance with the following methods:
18, 36, 48, 60 6, 12, 18,
1 to 4 in. in ~-in.
24, 30 increments (a) Rigidity.-Use a test specimen 1
in. thick, 32 in. long and between 6 and
Other sizes are available from manu­ 24 in. wide (thickness and width prefer­
facturers.
ably as manufactured). Measure the
TABLE !.-PHYSICAL PROPERTIES.
Properties Type 1 Type 2 Type 3
Density (average) max, lb per cu ft . . 12 12 25
Breaking strength (average) min, lb per in. of thickness
..
for a 6-in. wide specimen . .
15
"
Compressive strength (average), min, load to produce a
deformation in thickness of 10 per cent, taking the
original thickness under a preload of, lb per sq ft . . 0 2.5 36
Load, lb per sq ft . . 30 1440
Linear shrinkage after soaking heat (average), max,
a
per centb . . 4.0
"
Thermal conductivity (average), max, Btu in. per hr
sq ft deg Fahr:
At mean temperature of 100 F . . 0.28 0.27 .
At mean temperature of 200 F . . 0.33 0.31
...
At mean temperature of 300 F . . 0.42 0.38 0
...