ASTM D451-91(1996)e1

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
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e1
Designation: D 451 – 91 (Reapproved 1996)
Standard Test Method for
Sieve Analysis of Granular Mineral Surfacing For Asphalt
Roofing Products
This standard is issued under the fixed designation D 451; 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.
e NOTE—Section 11 was added editorially in November 1996.
TABLE 1 Report Form
1. Scope
Retained on Sieve Passing Sieve Percent
1.1 This test method covers the determination of the particle
3.35-mm (No. 6) . . .
size distribution of granular mineral surfacing material such as
A
2.36-mm (No. 8) 3.35-mm (No. 6) .
crushed slate, stone, coated granules, etc., used on the weather
1.70-mm (No. 12) 2.36-mm (No. 8) .
surface of prepared asphalt roofing and shingles.
1.18-mm (No. 16) 1.70-mm (No. 12) .
850-μm (No. 20) 1.18-mm (No. 16) .
1.2 This standard does not purport to address all of the
600-μm (No. 30) 850-μm (No. 20) .
safety concerns, if any, associated with its use. It is the
425-μm (No. 40) 600-μm (No. 30) .
responsibility of the user of this standard to establish appro-
300-μm (No. 50) 425-μm (No. 40) .
212-μm (No. 70) 300-μm (No. 50) .
priate safety and health practices and determine the applica-
150-μm (No. 100) 212-μm (No. 70) .
bility of regulatory limitations prior to use.
150-μm (No. 100) .
Total
2. Referenced Documents
A
Designates U.S. Standard Sieve.
2.1 ASTM Standards:
E 11 Specification for Wire-Cloth Sieves for Testing Pur-
that produces a uniform rotary motion and tapping action with
poses
140 to 160 taps per minute. The sieve shaker shall be fitted with
a hard maple plug to receive the impact of the tapping device.
3. Summary of Test Method
The entire apparatus shall be rigidly mounted by bolting to a
3.1 A weighed sample of granular mineral surfacing mate-
solid foundation, preferably concrete.
rial is separated through a series of sieves of progressively
5.3 Sample Splitter—A riffle sampler with 9.5 or 12.7-mm
smaller openings for the determination of particle size distri-
3 1
( ⁄8or ⁄2-in) divisions, for reducing the sample to the specimen
bution.
required for sieve analysis.
5.4 Balance—A laboratory balance sensitive to 0.1 g.
4. Significance and Use
4.1 This test method is used to determine the grading of
6. Sampling
materials used as granular mineral surfacing. The results are
6.1 Each shipment of mineral granules of a single type shall
used to determine compliance of the particle size distribution
be considered a unit for sampling. If a shipment contains more
with applicable specification requirements.
than one type of granule, the entire quantity of each type in the
5. Apparatus vehicle shall be considered a unit for sampling.
6.2 Take the sample of mineral granules shipped in bulk
5.1 Sieves—A set of the sieves listed in Table 1, conforming
from the chute or conveyor while the vehicle is being loaded or
to Specification E 11. For routine testing, the group of sieves
unloaded. The ideal place is just where the material drops from
actually used shall include only those appropriate for the
the chute or belt. Collect equal portions from the full width and
granular material being graded. Coarser or finer sieves, on
thickness of the stream at regular intervals with such frequency
which less than 0.05 mass % of the specimen would be found
that a minimum of five samples will be taken and the total mass
after sieving, need not be included in the group.
of the sample will not be less than 7.3 kg (16 lb). Do not allow
5.2 Sieve Shaker—A mechanically operated sieve shaker
the sampling receptacle to overflow under any circumstances.
Overflow would tend to reject a higher proportion of the large
particles than the small ones, and a representative
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