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Significance and Use
This practice provides information on the resistance to cyclic laboratory aging.
1.1 These practices cover the determination of the resistance of adhesives to cyclic accelerated service conditions by exposing bonded specimens to conditions of high and low temperatures and high and low relative humidities. The extent of degradation is determined from changes in strength properties as a result of exposure to the test conditions (Note 1). It is recognized that no accelerated procedure for degrading materials correlates perfectly with actual service conditions, and that no single or small group of laboratory test conditions will simulate all actual service conditions. Consequently, care must be exercised in the interpretation and use of data obtained in this practice. The test condition, the number of cycles of the test condition to be used, the particular strength property to be used to determine the extent of degradation, and whether test specimens or test panels are to be used, is specified in the material specification.
Note 1—These practices/conditions are intended for use with specimens described in the approved ASTM strength test methods for adhesives as follows:
1.2 The values stated in SI units are to be regarded as the standard.
1.3 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D897 Test Method for Tensile Properties of Adhesive Bonds
D903 Test Method for Peel or Stripping Strength of Adhesive Bonds
D906 Test Method for Strength Properties of Adhesives in Plywood Type Construction in Shear by Tension Loading
D907 Terminology of Adhesives
D950 Test Method for Impact Strength of Adhesive Bonds
D1002 Test Method for Apparent Shear Strength of Single-Lap-Joint Adhesively Bonded Metal Specimens by Tension Loading (Metal-to-Metal)
D1062 Test Method for Cleavage Strength of Metal-to-Metal Adhesive Bonds
D1141 Practice for the Preparation of Substitute Ocean Water
D1344 Test Method for Testing Cross-Lap Specimens for Tensile Properties of Adhesives
ICS Number Code 83.180 (Adhesives)
UNSPSC Code 31201601(Chemical adhesives)