There are two kinds of aging tests for resin-based adhesives, one is the damp heat cycle test, and the other is the xenon lamp artificial climate test.
First, the wet heat cycle aging test:
The wet heat cycle aging test is to place the test piece in a man-made environment to control the humidity at 95% RH, and increase the temperature from room temperature 25 ° C to 50 ° C in an hour to continuously circulate the material to obtain long-term high temperature and high humidity conditions. Resistance to humidity and heat. The test data after a certain period of time was taken as the result of the aging test.
Reference standard: GB/T50367-2013 "Concrete structural reinforcement design specification" "Adhesive (resin) for reinforcing reinforced concrete load-bearing structure, its steel-steel bond shear performance can be tested by damp heat aging test. Damp heat aging test should be The environmental conditions of 50C temperature and 98% RH relative humidity shall be tested, and the important components shall not be less than 90d; the general components shall not be less than 60d."
Second, Xenon lamp artificial climate test:
Xenon lamp artificial climate test uses a xenon lamp source, continuous illumination, control of a certain temperature (63 ± 3 ° C), humidity (65 ± 5), radiant energy (300 ~ 890 nm), rainfall cycle and time (18 min)), simulation and strengthening Main environmental factors such as light, heat, oxygen, moisture, and rainfall in natural climatic conditions to accelerate the aging of the sample, and the test data of the sample at a certain time as the result of the aging test.
Reference standard: GB/T14522-1993 "Artificial Climate Accelerated Test Method for Plastics, Coatings and Rubber Materials for Machinery Industry Products".
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