Ozone content in the atmosphere is very small but it is the main factor for rubber cracking. The ozone aging box simulates and strengthens the ozone conditions in the atmosphere, studies the rule of ozone on rubber, and quickly identifies and evaluates the anti-ozone aging performance and anti-ozonant of rubber The method of protection efficiency, and then take effective anti-aging measures to improve the service life of rubber products. The following is a brief introduction to the operation process of the ozone aging test box.
1. Make sure the equipment is fixed and reliable, turn on the main power, and power on the equipment;
2. Fix the sample on the fixture or place it in the turntable, press the "Start" button, "Turntable" and "Ozone" switch;
3. Open the control panel and set the relevant parameters such as ozone concentration and test temperature according to the test requirements.
4. During the test, observe the changes of the samples in the test box in real time. If some failures occur, the technician will solve them according to his own experience. If the problem cannot be solved, it can be solved through the test equipment instructions or after-sales by the manufacturer.
5. After the test, the main power supply should be turned off, the temperature should be naturally lowered, and the sample should be taken out;
6. After removing the sample and placing it in the air for a certain period of time, observe the surface of the sample for cracks;
7. Compare it with the sample before the test, make a record, and draw the relevant conclusion through the test comparison.
Kraft paper bento box is a bento box made of brown paper. Kraft paper is a material made of cellulose pulp with high strength and wear resistance. Brown paper bento boxes usually have the following characteristics:
1. Environmental protection: Kraft paper is made of natural pulp, degradable and environmentally friendly.
2. Light: the kraft food containers is relatively light and easy to carry compared with the bento box of other materials.
3. Durable: kraft paper has high strength and wear resistance, which can protect food from being damaged.
4. Breathability: kraft paper has a certain breathability, which can maintain the freshness of food.
5. Foldable: Kraft paper bento box can usually be folded for easy storage and reuse.
Brown paper bento boxes are suitable for various occasions, such as school, office, picnic and so on. They can be used not only as a bento box, but also as a packaging box, gift box and other purposes.
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EVER GREEN(ZHEJIANG)NEW MATERIAL CO., LTD / KUNSHAN GREENPACK CO.,LTD , https://www.changjingpack.com