ASTM D365-01

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Designation:D365–01
Standard Guide for
1
Soluble Nitrocellulose Base Solutions
This standard is issued under the fixed designation D 365; 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 CONSISTENCY (VISCOSITY)
1.1 These test methods cover the testing of soluble nitrocel-
5. Consistency Tests
lulose base solutions that are made by dispersing various kinds
5.1 For Consistencies from 3 to 500 s—Determine the
and concentrations of soluble nitrocellulose (cellulose nitrate)
consistency by falling-ball consistency test described in
in various solvent mixtures.
Method D 301 for those solutions having a consistency from 3
1.2 The values stated in SI units are to be regarded as the
to 500 s when tested in that apparatus.
standard. The values given in parentheses are for information
5.2 For Consistencies Less than 3 s—Determine the con-
only.
sistency by Test Method D 1200 for those solutions having a
1.3 This standard does not purport to address all of the
consistency of less than 3 s when tested in the falling-ball
safety concerns, if any, associated with its use. It is the
apparatus referred to in 5.1.
responsibility of the user of this standard to establish appro-
5.3 For Consistencies over 500 s—Determine the consis-
priate safety and health practices and determine the applica-
tency using the apparatus and procedure described in Sections
bility of regulatory limitations prior to use. For specific hazard
6 and 7 for those solutions having a consistency greater than
statements see Section 11.
500 s when tested in the falling-ball apparatus referred to in
2. Referenced Documents 5.1.
2.1 ASTM Standards:
6. Apparatus
2
D 301 Test Methods for Soluble Cellulose Nitrate
3
6.1 The consistency test apparatus, shown in Fig. 1, shall
D 333 Test Methods for Clear and Pigmented Lacquers
4 consist of the following:
D 1193 Specification for Reagent Water
7
5
6.1.1 Glass Tube (preferably heat-resistant glass), 50 6
D 1200 Test Method for Viscosity by Ford Viscosity Cup
1
6 1.5 mm (2 6 ⁄32 in.) in inside diameter and 255 mm (10 in.)
E 300 Practice for Sampling Industrial Chemicals
1
in length, with marks 177 61mm(5 6 ⁄16 in.) apart, the
3. Significance and Use upper one being 75 mm (3 in.) from the top of the tube.
3.1 Since the desired specifications and compositions of
NOTE 1—The steel ball can be removed (in order to leave the same
soluble nitrocellulose base solutions vary greatly, these meth- material in the tube for a check run) by removing the lower stopper.
However, a small air bubble is usually introduced in this way. It is
ods are used to establish whether limits that shall be as agreed
preferable to invert the tube, removing the guide to get the ball out. It is
upon between the producer and the user have been met.
often necessary to put a few drops of solvent in the guide lip to loosen it
from the tube on account of the solution drying at the edge of the tube.
4. Sampling
When the latter method is used for removing the ball, a larger bubble
4.1 Select the sampling method from those listed in Practice
traverses the tube than when the former method is used, but a large bubble
E 300.
movessufficientlyfast,eveninaveryviscoussolution,toescapeatthetop
in a few minutes, whereas small bubbles take hours to escape.
6.1.2 Steel Ball, 15.88 6 0.02 mm (0.625 6 0.001 in.) in
1
These methods are under the jurisdiction of ASTM Committee D01 on Paint
diameter, and weighing 16.536 6 0.10 g.
and Related Coatings, Materials, andApplications and are the direct responsibilities
6.1.3 Aluminum Guide Cone of light gage aluminum (ap-
of Subcommittee D01.55 on Factory-Applied Coatings on Preformed Products.
Current edition approved May 10, 2001. Published July 2001. Originally
proximately 0.5 mm (0.02 in.) in thickness) as shown in Fig. 1.
e1
published as D 365 – 33. Last previous edition D 365 – 84 (1996) .
7
The orifice of the guide cone shall be 22 mm ( ⁄8 in.) in
2
Annual Book of ASTM Standards, Vol 06.03.
3
diameter, the conical portion 25 mm (1 in.) in height, the
Annual Book of ASTM Standards, Vol 06.02.
4
Annual Book of ASTM Standards, Vol 11.01.
5
Annual Book of ASTM Standards, Vol 06.01.
6 7
Annual Book of ASTM Standards, Vol 15.05. Borosilicate glass is satisfactory for this purpose.
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D365–01
NONVOLATILE MATTER
8. Procedure
8.1 Determine the percent of nonvolatile matter in accor-
dance with the procedure described in the Nonvolatile Matter
sect
...