Ozone aging test Test environment: ozone aging test during the test, the choice depending on the number of different test requirements ozone generator, can be real time control of the ozone concentration during the test Depending on the test by the control system. Ozone aging test chamber temperature: The suitable test temperature for the test chamber is 40°C ± 2°C. Can also be selected according to the use of other ambient temperature, e.g., 30 deg.] C or 23 ℃ persons 2 ℃ ± 2, but using the results obtained using these temperatures, the test results at 40 ℃ 2 ℃ difference disabilities. Relative Humidity of Ozone Aging Test Chamber : At the test temperature, the relative humidity of ozonized air generally does not exceed 65%. Excessive humidity can affect the test results; for products used in humid climates, the test should be performed at relative humidity of 80% to 90%. Ozone Ageing Test Chamber Requirements for Specimen: Ozone Ageing Test Chamber Sample Quantity: Three specimens for each direction of each coated surface of the fabric. The standard ozone aging test chamber turntable is 6 and the large one is 12 and can also be customized according to customer requirements. If the product is relatively large, the partition type can be used. It is also possible to place the rubber and plastic parts directly on the top to do the aging test. Since the ozone aging test chamber is divided into two kinds of static and dynamic sample holders, the static sample is fixed directly on the top and bottom of the sample to be tested for aging, and the dynamic ozone aging test box is stretched through the actuator during the experiment. As an experiment, the above two factors should be taken into consideration before selecting the test. The rate of ozone depletion varies with the rubber used, the test conditions, and other experimental details. It is generally recommended that the ratio of sample surface area to gas flow rate does not exceed 12 s/m, but this value is not always sufficiently low. When there is suspicion, the impact of the consumption must be verified through testing, and the surface area of ​​the sample can be reduced if necessary. The gas entering the chamber can be used with a diffusion membrane or equivalent device to accelerate mixing with the gas in the chamber. If high-speed flow rates are required, fans can be placed in the cabinet to increase the ozonation air flow rate to 600mm/s ± 100mm/s. Imitation spreading bird Feather Bird Ornament garden living room bonsai decorative bird feather handicraft bird.The collected feathers of many birds are applied with scissors, tweezers, scalpels, magnifying glasses and other objects used for surgery to connect the shape and color of the feathers, so as to carve out the above carved handicrafts with the theme of birds, or birds flying in the air, or birds perching on the branches, so that the small feathers can also become a spectacular handicraft.Simulation bird, fat bird, feather bird, magnetic bird, fridge, foam bird prop, mold, landscape decoration, fake bird. Easter Supplies,Easter Butterfly Gift,Easter Birthday Party Supplies,Easter Bonnet Supplies Xintong Craft Gift Co.,LTD , https://www.jlxtcraft.com
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Ozone aging test chambers are used in rubber products, under static tension or continuous dynamic tensile deformation, or under intermittent dynamic stretching and static stretching alternating deformation, in sealed, non-illuminated air with constant ozone concentration and In a constant temperature test chamber, the test specimen is tested at a predetermined time, and the resistance to ozone aging test of the rubber is evaluated from the degree of cracking or other property change of the surface of the test specimen to take effective anti-aging measures to improve the rubber product. The service life. Meet the GB/T13642-1992, GB/T7762-2003, GB/T2951-2008, ASTM1149, ISO1431 and other related standards, equivalent to meet the corresponding national standard, military standard. Suitable for wire and cable, rubber and its products