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ASTM International , 11/01/2014
Publisher: ASTM
File Format: PDF
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1.1These test methods cover the sampling and testing of cellulosic pulps for use in the manufacture of electrical insulating papers and boards or in the direct application of pulp fibers as insulation to electrical conductors.
Note 1:The significance of any one pulp property test method, as set forth herein, should be considered with discretion depending on the product made from the pulp.
1.2Sections on Reagents, Sampling, and Report are integral parts of each of the individual test methods that follow.
1.3Each test method is described as being a measure of either a bulk property of the pulp or a property of a handsheet formed from the pulp.
1.3.1Bulk characteristics determinable by these procedures appear in the following sections:
Procedure
Sections
ASTM Method Reference
TAPPI Method Reference
Aqueous Extract Conductivity
8 and 9
D202
...
Aqueous Extract pH
10 and 11
Aqueous Extractable Acidity-Alkalinity
12 and 13
Analysis of Ash for Cations by Atomic Absorption Spectro- photometry
70 - 78
D1193 and D2576
Ash Content
79 - 82
T 413
Dirt in Pulp
40 and 41
T 213
Fiber Analysis
23 and 24
D202 and D1030
Fiber Length of Pulp
42 and 43
T 232, T 233
Freeness (Canadian Standard Freeness)
53 and 54
T 227
Kappa Number/Permanganate Number (Substances Oxidizable by Permanga- nate)
27 and 28
T 236, UM 251
Laboratory Processing of Pulp (Beater Method)
51 and 52
T 200
Moisture in Pulp
31 - 33
T 210
Neutral Aqueous Extractable Hardness in Pulp
16 - 22
D202, D1126, and D2576
Pentosan Content of Pulp
29 and 30
T 223
Resistance of Pulp to Disintegration (Standard RPG)
44 - 50
T 239, UM 252
Shive Count
34 - 39
Solvent-Soluble Matter in Pulp
25 and 26
Tensile Properties
65 - 69
Water-Extractable Chlorides
14 and 15
1.3.2Handsheet characteristics determinable by these procedures appear in the following sections:
Section
Air Resistance (Porosity)
57 and 58
T 205
Apparent Density
63 and 64
Bursting Strength
59 and 60
D202 and D774/D774M
Folding Endurance (M.I.T.)
D202 and D2176
Forming Handsheets for Physical Tests of Pulp
55 and 56
Tensile Strength
65 and 66
D202 and D828
Note 2:Methods for Ash, Silica, selected cations from Ash, Heat Stability, α, β, and γ Cellulose, Viscosity, Total Chlorine, Tear, and Dissipation Factor and Relative Permittivity, will be considered for addition as methods are developed.
1.4The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.5This standard does not purport to address all of the safety concerns, if any, 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.
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