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ASTM D471-12a
Standard Test Method for Rubber Property´Effect of Liquids (Includes all amendments And changes 10/26/2015).
Automatically translated name:
Standard Test Method for Rubber Property´Effect of Liquids
STANDARD published on 1.12.2012
The information about the standard:
Designation standards: ASTM D471-12a
Note: WITHDRAWN
Publication date standards: 1.12.2012
SKU: NS-28258
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: American technical standard
Category: Technical standards ASTM
Annotation of standard text ASTM D471-12a :
Keywords:
elevated temperature, fluid immersion, immersion oil, IRM reference oil, liquid immersion, reference fuel, reference oil, rubber articles, rubber products, service liquid, ICS Number Code 83.060 (Rubber)
Additional information
| Significance and Use | |||||
|
4.1 Certain rubber articles, for example, seals, gaskets, hoses, diaphragms, and sleeves, may be exposed to oils, greases, fuels, and other fluids during service. The exposure may be continuous or intermittent and may occur over wide temperature ranges. 4.2 Properties of rubber articles deteriorate during exposure to these liquids, affecting the performance of the rubber part, which can result in partial failure. 4.3 This test method attempts to simulate service conditions through controlled accelerated testing, but may not give any direct correlation with actual part performance, since service conditions vary too widely. It yields comparative data on which to base judgment as to expected service quality. 4.4 This test method is suitable for specification compliance testing, quality control, referee purposes, and research and development work. |
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| 1. Scope | |||||
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1.1 This test method covers the required procedures to evaluate the comparative ability of rubber and rubber-like compositions to withstand the effect of liquids. It is designed for testing: (1) specimens of vulcanized rubber cut from standard sheets (see Practice D3182), (1.2 ASTM Oils No. 2 and No. 3, formerly used in this test method as standard test liquids, are no longer commercially available and in 1993 were replaced with IRM 902 and IRM 903, respectively (see Appendix X1 for details). 1.3 ASTM No. 1 Oil, previously used in this test method as a standard test liquid, is no longer commercially available and in 2005 was replaced with IRM 901; refer to Property |
IRM 901A |
IRM 902 |
IRM 903 |
IRM 905 |
ASTM Method |
|
Specified Properties: |
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|
Aniline Point, °C (°F) |
124 ± 1 (255 ± 2) |
93 ± 3 (199 ± 5) |
70± 1 (158 ± 2) |
115 ± 1 (239± 2) |
D611 |
|
Kinematic Viscosity |
|
|
|
|
|
|
(mm2/s [cSt]) |
|
|
|
|
|
|
38°C (100°F) |
|
... |
31.9–34.1 |
... |
D445 |
|
99°C (210°F) |
18.12–20.34 |
19.2–21.5 |
... |
10.8–11.9 |
D445 |
|
Gravity, API, 16°C (60°F) |
28.8 ± 1 |
19.0–21.0 |
21.0–23.0 |
... |
D287 |
|
Viscosity-Gravity Constant |
0.790–0.805 |
0.860–0.870 |
0.875–0.885 |
... |
D2140 |
|
Flash Point COC, °C (°F) |
243(469) min |
232 (450) min |
163 (325) min |
243 (469) min |
D92 |
|
Naphthenics, CN (%) |
27 (avg) |
35 min |
40 min |
... |
D2140 |
|
Paraffinics, CP (%) |
65 min |
50 max |
45 max |
... |
D2140 |
|
|
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Typical Properties: |
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|
Pour Point, °C (°F) |
−12 (10) |
−12 (10) |
−31 (−24) |
−15 (5) |
D97 |
|
ASTM Color |
L 3.5 |
L 2.5 |
L 0.5 |
L 1.0 |
D1500 |
|
Refractive Index |
1.4848 |
1.5105 |
1.5026 |
1.4808 |
D1747 |
|
UV Absorbance, 260 nm |
0.8 |
4.0 |
2.2 |
... |
D2008 |
|
Aromatics, CA (%) |
3 |
12 |
14 |
4 |
D2140 |
Property
Method
2005 Batch COA
2005 Batch Current
2012 Sample Data
2012 Batch Average
Viscosity, cSt @99°C
D445
19.58
19.5
18.8
18.7
18.8
18.7
18.8
18.8
18.8
18.9
18.7
Gravity, API @16°C
D287
28.6
28.9
28.9
28.9
28.8
28.9
28.9
28.9
28.9
28.9
28.9
Flash Point COC, °C
D92
287
313
306
289
292
288
296
299
303
294
294
Aniline Point, °C
D611
123.8
124.7
124.8
124.8
124.7
124.3
124.5
124.8
124.8
124.9
124.6
Viscosity- Gravity Constant
D2140
0.796
0.798
0.799
0.799
0.800
0.799
0.799
0.799
0.799
0.799
0.799
Naphthenics, Cn%
D2140
—
24
26
26
27
28
27
26
26
27
29
Paraffinics, Cp%
D2140
70
72
71
71
69
70
71
71
71
71
70
1.4 ASTM No. 5 Oil was accepted into Specification D5900 as an industry reference material in 2010 and designated as IRM 905. The composition, and properties of this immersion oil were not changed and the data in Table 1 remains current. Refer to 1.5 The specifications and properties listed in 1.5.1 The subcommittee responsible for maintaining Test Method D471, presently D11.15, shall review the data in Specification D5900 to ensure that it is identical to that which appears in Test Method D471. This shall be accomplished at the time of the 5 year review or more frequently when necessary.
1.6 Historical, technical, and background information regarding the conversion from ASTM No. 1, ASTM No. 2, and ASTM No. 3 Oils to IRM 901, IRM 902, and IRM 903 immersion oils is maintained in Practice D5964.
1.6.1 The subcommittee responsible for maintaining Test Method D471, presently D11.15, shall review the data in Practice D5964 to ensure that it is identical to that which appears in Test Method D471. This shall be accomplished at the time of the 5 year review or more frequently when necessary.
1.7 This test method includes the following:
|
Change in Mass (after immersion) |
Section 10 |
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Change in Volume (after immersion) |
Section 11 |
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Dimensional-Change Method for
Water-Insoluble Liq- |
Change in Mass with Liquid on One Surface Only |
Section 13 |
||
|
Determining Mass of Soluble Matter
Extracted by the |
Change in Tensile Strength, Elongation
and Hardness |
Change in Breaking Resistance, Burst
Strength, Tear |
Calculation (of test results) |
Section 17 |
1.8 The values stated in SI units are to be regarded as the standard. The values in parentheses are for information only.
1.9 This 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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