ASTM C975-87(1998)

Standard Practice for Preparing Test Specimens from Basic Refractory Ramming Products by Pressing

SCOPE
1.1 This practice covers a procedure for preparing test specimens from basic refractory ramming products by pressing prepared material in a mold. Specimens prepared in accordance with this procedure are intended for use in ASTM methods.  
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.  
1.3 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems 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: 09-Sep-1998
• ICS: 81.080 - Refractories
• Technical Committee: C08 - Refractories
• Drafting Committee: C08.09 - Monolithics

Relations

• Replaced By: ASTM C975-87(2004) - Standard Practice for Preparing Test Specimens from Basic Refractory Ramming Products by Pressing
• Effective Date: 10-Sep-1998

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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 975–87(Reapproved1998)
Standard Practice for
Preparing Test Specimens from Basic Refractory Ramming
Products by Pressing
This standard is issued under the fixed designation C 975; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 3.3 Steel Molds.
3.4 Oven, air circulating.
1.1 This practice covers a procedure for preparing test
3.5 Trowel.
specimens from basic refractory ramming products by pressing
preparedmaterialinamold.Specimenspreparedinaccordance
4. Procedure
with this procedure are intended for use inASTM test methods.
4.1 Store the material to be tested at 85 6 2°F (29.5 6 1°C)
1.2 The values stated in inch-pound units are to be regarded
for 24 h prior to testing.
as the standard. The values given in parentheses are for
4.2 Reduce the sample to the desired batch size with a
information only.
sample splitter or by quartering taking precautions to prevent
1.3 This standard does not purport to address all of the
segregation. Sufficient material should be batched to provide at
safety concerns, if any, associated with its use. It is the
least a 10 % excess over test specimen requirements.
responsibility of the user of this standard to establish appro-
4.3 Add the weighed, dry batch to the mixer and dry-mix at
priate safety and health practices and determine the applica-
low speed for 30 s. Continue to mix at low speed while adding
bility of regulatory limitations prior to use.
the required amount of water (see 4.3.1) within 30 s. Wet-mix
2. Significance and Use at low speed for 3 min.
4.3.1 Use the amount of water and mixing time (if different
2.1 This practice defines a procedure that ensures consistent
from above) recommended by the manufacturer. The water
preparation of specimens for product testing and evaluation.
must be potable and at a temperature of 85 6 2°F (29.5 6
2.2 This practice can be used in the laboratories of produc-
1°C). Measure the water addition to the nearest 0.1 % by
ers, users, and general-interest parties for research and devel-
weight.
opment or quality-control work. It is particularly useful for
4.4 Specimens of the desired size should be pressed imme-
interlaboratory comparisons of products, for repetitive evalua-
diately after the batch is mixed. Weigh the proper amount of
tions or comparisons of products or product quality, and in
material for each specimen to the nearest 0
...