ASTM-D648 2006

$44.96

D648-06 Standard Test Method for Deflection Temperature of Plastics Under Flexural Load in the Edgewise Position

Published By	Publication Date	Number of Pages
ASTM	2006	13

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Categories: 83.080.01 - Plastics in general, ASTM

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Description

1.1 This test method covers the determination of the temperature at which an arbitrary deformation occurs when specimens are subjected to an arbitrary set of testing conditions.

1.2 This test method applies to molded and sheet materials available in thicknesses of 3 mm [1/8 in.] or greater and which are rigid or semirigid at normal temperature.

Note 1

Sheet stock less than 3 mm [0.125 in.] but more than 1 mm [0.040 in.] in thickness may be tested by use of a composite sample having a minimum thickness of 3 mm. The laminae must be of uniform stress distribution. One type of composite specimen has been prepared by cementing the ends of the laminae together and then smoothing the edges with sandpaper. The direction of loading shall be perpendicular to the edges of the individual laminae.

1.3 The values stated in SI units are to be regarded as standard. The values given in brackets are for information only.

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.

Note 2

The test method described as a Method B of this test method, and test methods Ae and Be of ISO 75-1 and ISO 75-2, 1993, are technically equivalent.

1.4 This procedure covers an alternate technique for measuring the net force that is applied to a deflection temperature specimen at midspan.

1.5 The net force is measured with the specimen support unit and loading assembly in place, that is, immersed in the heat-transfer medium.

1.6 This technique permits the user to account for discrepancies in the actual load applied to the specimen as a result of spring forces, friction, buoyancy, etc.

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Test Method
2	Significance and Use Interferences Apparatus FIG. 1
3	Sampling Test Specimen Preparation of Apparatus
4	Conditioning Procedure Report Precision and Bias
5	Keywords A1. CALIBRATION OF SINGLE-(CENTRALIZED) TEMPERATURE PROBE UNITS A1.1 A1.2 A1.3 TABLE 1 TABLE 2 TABLE 3
6	A2. CALIBRATION OF MULTI-TEMPERATURE INSTRUMENTS A2.1 A2.2 A2.3 A2.4
7	A2.5 A2.6 A2.7 X1. PROCEDURE FOR DETERMINATION OF CORRECT SPECIMEN LOADING UTILIZING EQUILIBRIUM WEIGHING OF THE LOADING ROD X1.1 Apparatus X1.2 Procedure
8	X2. PROCEDURE FOR DETERMINATION OF CORRECT SPECIMEN LOADING BY WEIGHING THE APPLIED LOAD WITH A TENSION-TESTING MACHINE X2.1 Apparatus X2.2 Procedure FIG. X1.1 FIG. X2.1
9	X3. PROCEDURE FOR DETERMINATION OF CORRECT SPECIMEN LOADING BY WEIGHING THE APPLIED LOAD IN SITU X3.1 Scope X3.2 Apparatus X3.3 Procedure FIG. X3.1
10	X4. PROCEDURE FOR VERIFYING THE CALIBRATION OF PENETRATION MEASURING DEVICES USING GAUGE BLOCKS X4.1 X4.2 X4.3 X4.4 X4.5 X4.6 X4.7 X4.8
11	X5. PROCEDURE FOR DETERMINATION OF SPRING FORCE AND CONDITION OF GAUGE X5.1 Apparatus X5.2 Procedure FIG. X5.1
12	FIG. X5.2 FIG. X5.3

Additional information

Standard Title	D648-06 Standard Test Method for Deflection Temperature of Plastics Under Flexural Load in the Edgewise Position
Published Code	ASTM
Publication Date	2006
Pages Count	13
ICS Codes	83.080.01 - Plastics in general

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ASTM-D648 2006

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