Chlorinated Polyethylene(CPE) 1. CPE is a kind of saturated rubber, which has excellent heat-resistant oxygen aging, ozone aging, acid and alkali resistance, and chemical resistance.
2. CPE has general oil resistance. Among them, it has excellent resistance to ASTM No. 1 oil and ASTM No. 2 oil, which is equivalent to NBR; and it has excellent resistance to ASTM No. 3 oil, which is better than CR and is equivalent to CSM.
3. CPE contains chlorine element, has excellent flame retardant performance, and has the characteristics of burning and dripping. It can be combined with antimony flame retardant, chlorinated paraffin, and Al(OH)3 in an appropriate ratio to obtain a flame retardant material with excellent flame retardancy and low cost.
4. CPE is non-toxic, does not contain heavy metals and PAHs, and it fully meets environmental protection requirements.
5. CPE has high filling performance and can be manufactured to meet various performance requirements. The processing performance of CPE is good, and the Mooney viscosity is available in a variety of grades between 50-100.
CPE 135A, Chemical Chlorinated Polyethylene,Modifier Chlorinated Polyethylene,Cpe Chlorinated Polyethylene Henan Shunbang Chemical Industry CO.,Ltd , https://www.pvcresinchem.com
The installation of monitoring instruments is to provide a fair examination environment for the selection of talents in the college entrance examination. Everyone is a lucky child who has struggled for many years to study. In the two to three days of the college entrance examination, it is absolutely necessary to take the exam. We must not allow anyone to borrow shortcuts to high-end communications equipment. Such short-cuts should be taken before the person is mature. It will inevitably not become a social catastrophe in the future. Therefore, the shielding equipment on the examination room has an important role. With the continuous development of social science and technology, the use of anti-fraud equipment also needs to advance with the times. Some new technology communication equipment can not be subject to the shield, so many areas are increasing investment in equipment, Liuzhou admission examination In the hospital, cell phone signal shielding devices, metal detectors, ID card identification devices and other weapons will be presented to the college entrance examination room this year. Candidates entering the examination room are as strict as the airport security check. Through high-tech measures to guard against fraud in the examination room, and strive to make the exam more fair. There is also the implementation of comprehensive photography surveillance.
The purpose of these instruments is to make the exam fair and take the exam. The ultimate goal is to hope that our college entrance examination will be very rigorous and that everyone will be fully prepared to meet the college entrance examination. You seriously prepare for the exam. These devices do not mean anything to you. The use of anti-disinflation equipment is a first paragraph. We do not want the development of this industry to be good, so the representatives need to be prepared for too much.
Monitoring instruments will be unveiled at the entrance examination
The college entrance examination will soon begin. In order to ensure the fairness of the examinations, investment funds will increase at all test sites around the country. The development of communication equipment has brought convenience to cheating on examinations. In order to achieve fair and impartial examination results, all possible factors surrounding the examination are Need to strike hard, so anti-cheating equipment and equipment were born, and gradually play its own unique role.