The performance of insulating rubber sheet has advantages, its production process is more troublesome than the production process of ordinary rubber sheet. Therefore, in the production of insulating rubber sheet need to pay attention to what aspects of the problem. Next, Orientflex will tell you about it.
First of all, the insulating rubber sheet can not be placed in the rain or humid air, because the insulating rubber plate in water will be hydrolyzed, aging phenomenon. However, ozone chemical activity is much higher than oxygen, the damage is greater, it is also the molecular chain attack cracking, but the effect of ozone on rubber with rubber deformation and not the same.
When the rubber is coated with deformed rubber (mainly unsaturated rubber), cracks appear in the direction straight to the stress binding, which is called "ozone crack". When coated with deformed rubber, only the outer surface of the oxide film is formed without cracking. Mechanical stress, under the repeated effect of mechanical stress, will make the rubber molecular chain crack to generate free radicals, trigger oxidation chain reaction, constitute the mechanical chemical process.
Mechanically cracked molecular chains and mechanically activated oxidation processes.
Which will prevail depends on the conditions in which it resides. In addition, ozone cracking is simply caused by stress binding.
The shorter the wave, the greater the energy. The damage to rubber is wrapped in high energy ultraviolet. In addition to UV can directly lead to the cracking and crosslinking of rubber molecular chains, rubber due to the absorption of light energy and the formation of free radicals, triggering and accelerating the oxidation chain reaction process. Ultraviolet light acts as a heating coating.
Another feature of light - effect wrapping (different from heat - effect wrapping) is that it is mainly in the rubber surface. The sample with high gel content will show a network crack on both sides, that is, the so-called "outer layer crack". The improved temperature can lead to thermal cracking or thermal crosslinking of rubber. But the basic effect of heat is still living effect.
Improve the oxygen dispersion rate and active oxidation reaction, and then accelerate the oxidation reaction rate of rubber, which is a common appearance of aging -- thermal oxygen aging. Oxygen in rubber with rubber molecular free radical chain reaction, molecular chain cracking or excessive crosslinking, leading to the change of rubber function, oxidation coating is one of the important causes of rubber aging.
Compared with other insulating air protection materials, insulating rubber sheet has the advantages of good elasticity, good anti-skid function, good water resistance and easy paving.
The development of the present in the use of the traditional ceramic, wood, glass, plastic and other insulating materials have been slowly exchanged.
Insulation rubber sheet, as one of many industrial air insulation materials, is mainly made of NR,SBR, IIR and other non-polar rubber with excellent insulation function. It is mainly used as a protective insulation mat for high altitude laying of substation, power plant, power distribution room and so on.
There are many colors to choose from, often used colors are dark, red, green and so on. The surface of the insulating rubber plate has plate, stripe, round buckle; Thickness in accordance with the breakdown voltage 3mm-12mm range, usually will be based on the use of customer choice to confirm the detailed specifications of rubber sheet.