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Gas Flow Chamber
LIB gas flow chamber can be used for rubber products, such as vulcanized rubber, thermoplastic rubber, cable insulation sheathing and other products. There are a variety of models to choose from. If your test piece is very large, we have an oversized walk-in test chamber. The sample rack can be customized to meet various special testing requirements.
Description
LIB Environmental Simulation Industry is one of the most reliable manufacturers and suppliers of gas flow chamber in China, featured by quality products and low price. Welcome to buy CE approved gas flow chamber in stock here and get quotation from our factory. Contact us for discount information.
Gas Flow Chamber is the best device for ozone aging tests. Ozone content in the atmosphere is very small, but is the main factor of rubber cracking, ozone aging chamber simulation and strengthening of the ozone conditions in the atmosphere, the study of the law of ozone action on rubber, rapid identification and evaluation of rubber anti-ozone-aging performance and anti-ozone-agent protection effectiveness of the method, and then take effective anti-aging measures to improve the service life of rubber products.
The test piece is exposed to a closed air chamber containing constant ozone concentration under static tensile deformation, and the specimen is tested for a predetermined period of time to evaluate the ozone aging resistance of rubber from the degree of cracking or other changes in performance that occur on the surface of the specimen.
Products Application
Rubber tires are the most common ozone-affected industrial product in everyday life.
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The sides and shoulders of rubber tires are susceptible to ozone aging because they are often hit and rubbed during operation, causing their surface to crack and age. In addition, the inner layers of tires are susceptible to ozone aging because they are exposed to areas in contact with air and are at high risk of oxidative corrosion. |
Test Method
According to the test methods and standards, it can be divided into "static" and "dynamic". Static means that the sample is put into the test box for testing after being stretched, and dynamic means that the sample is placed on the fixture of the test box, and the test is done while stretching. The floating tension is about 5%-45% of the tested sample itself. LIB Gas Flow Chamber is capable of both static and dynamic drawing.
In the specific test, the two test methods according to the actual situation to alternate use. The tensile method used in rubber ozone aging test is mainly dynamic tensile, and static tensile method is generally adopted after understanding the maximum tension of the material.
According to the standard, the sample fixture can automatically stretch and reset the sample, and the stretching frequency is 0.5±0.025Hz. The two ends of the sample are clamped on the special fixture, so that the sample is cyclically stretched from 0 to ** elongation. The fixture is installed on the rotating sample rack, the sample rack speed is between (20-25)mm/S, and the temperature is (40±2)℃. When the relative humidity is not more than 65% and the ozone concentration is specified, the fixture is cyclically stretched and reset and rotated with the sample stand for the test. After the specified time to check the sample cracking situation, general ozone concentration selection (50±5)×10-8.
The static tensile test standard stipulates that the two ends of the sample are clamped on a special fixture, and an elongation is selected. Generally, there are the following elongation (%) for choice:
5± 1,10 ± 1,15 ± 2,20 ± 2,30 ± 2,40 ± 2,50 ± 2,60 ±2.
Generally select 20%, the fixture installed in the rotating sample rack, sample rack speed between (20-25)mm/S, at the temperature of (40±2)℃, relative humidity is not greater than 65%, the specified ozone concentration test, generally use (50±5)×10-8pphm ozone concentration test.
Products Description
Gas Sensor
- Detect the ozone gas concentration
- High accuracy, easy to change
Gas Exhaust
- Ozone activated carbon pack
- Exhaust the gas after the test
- Automatically controlled on controller
Ozone Generator
- Silent discharge type, gas can be automatically generated
- Low noise and high purity
Sample Holder
- Static + dynamic combined sample holder for stretching samples
- Sample holder can be 360° rotated
- Meet different test standards
Products Parameter
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Model |
OC-250 |
OC-500 |
OC-800 |
OC-010 |
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Internal Dimension (mm) |
600*600*700 |
700*800*900 |
800*1000*1000 |
1000*1000*1000 |
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Overall Dimension (mm) |
960*1150*1860 |
1180*1350*2010 |
1280*1550*2110 |
1500*1550*2110 |
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Interior Volume (L) |
250 |
500 |
800 |
1000 |
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Temperature Range |
0℃ ～ +100 ℃ |
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Temperature Fluctuation |
± 0.5 ℃ |
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Temperature Deviation |
± 2.0 ℃ |
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Humidity Range |
30% ~ 98% RH |
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Humidity Deviation |
± 2.5% RH |
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Cooling Rate |
Ambient ~ 0℃ within 20 min |
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Ozone Concentration |
1～1000PPHM |
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Sample Holder Rotate Speed |
0~10 r/min |
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Airflow Rate |
0 ~ 60L/min |
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Clamps Tensile Stretch |
5%～35% |
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LIB Environmental is one of the professional and credible manufacturers of climatic and environmental testing chambers in China. Equipped with a professional factory, we can offer you gas flow chamber with competitive price. Now we have high quality gas flow chamber for sale, welcome to buy our test chamber at low cost and check the price with our supplier.
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