Is it better to repair a car tire hot or cold? Ask for answers

Generally speaking, the repair method of bad tires can be roughly divided into three types according to the degree of tire damage: cold repair (internal repair or paste repair), hot repair (commonly known as fire repair) and rubber strip method.

The so-called cold repair is to remove the injured tire from the rim, find the wound, clean the foreign body at the wound, and paste a special tire repair rubber from the inner layer of the tire to complete the leakage. In fact, this method is similar to the tire repair method of bicycles, but it requires a special tire scraper and tire repair rubber to complete. The advantage is that it can repair large wounds, but the disadvantage is that it is not durable enough, and after a period of flooding or high-speed driving, the repair site is likely to leak again.

Hot supplement, heat repair (commonly known as fire supplement) is the most thorough tire repair measure. Heat repair also involves removing the tire from the rim and attaching a special raw film to the wound. The wound is then baked with a roaster until the raw film fits perfectly to the tire.

The advantage of thermal repair is that it is very durable, and there is basically no need to worry about repeated air leaks at the wound.

Note (1) It should be noted that there are various ways to repair a tire, but it is not a panacea. If there is a wound of more than 6 cm on the tire wall (i.e. the side of the tire), or if the crown of the tire is pierced by an object such as steel bar, causing a large hole, it is generally best to replace the tire with a new one. Because, such a tire is not only difficult to repair, but the effect after repairing it is not reassuring, simply let it retire.

2) At present, there are still some "4S" stores in the market that do not provide tire repair services, but can only replace tires. Therefore, it is recommended that you choose to go to a professional tire shop to repair the tire. It is recommended that hot compensation and cold repair are convenient, but hot compensation is relatively firm

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Cold repair, convenient, fast Anonymous rate: 2009-02-14 16:40 Cold repair, such as using Tektronix glue, it is better than fire, 140 degrees high temperature it will not fall, film types are more suitable for all kinds of tires.

The fire supplement used in the past is not suitable for the current tires, the fire is big, the strength is not enough, and the shortcomings such as inconvenient heating in the tubeless are rarely used.

Cold patching is to dissolve the rubber with glue, and then the rubber on both sides is dried and combined together; Thermal repair is the rubber (cushion glue) melted and the rubber on both sides of the solid body, of course, the method of hot repair is good, in fact, but also depends on the quality of the material and the quality of the technology.

In terms of tire repair effect, hot tire repair is better than cold repair. This is because tires that have been patched up for a long time may not have repeated air leaks, while those that have been patched for a long time may have air leaks. And from the perspective of tires, cold tire repair is better than hot repair.

Because the cold repair will not cause damage to the tire, it will only paste the subsidy film on the wound; Heat patching can damage the structure of the tire.

The difference between tire fire repair and cold repair is that fire repair needs to be baked with a roaster until the film can be bonded to the break after melting. Therefore, the advantage of tire fire repair is that the place that has been repaired by fire is very durable, and there will be no repeated air leakage.

Introduction:

However, its shortcomings are also obvious, fire repair requires formal equipment, and the technical process requirements of the master are relatively high, and it is necessary to have professional experience to calculate the time of tire vulcanization. If the high temperature vulcanization time is too long, it will produce supersulfur, the tread becomes brittle, the pattern groove is easy to collapse, cracking, and the surface is blue. If the time is too short, the sulfur deficiency will be generated, and the repaired parts will easily fall off.

In particular, the tires of private cars are thinner than those of large trucks, and if they are not heated properly and the temperature is too high, the tires may be damaged.

Moreover, the service life of the tire after the fire repair is shorter, because the tire fire repair will lead to a decrease in the quality of the tire, generally about half a year. Therefore, this method of tire fire repair should be used with caution. At present, the more used tire repair methods are mushroom nail tire repair and cold repair method, the scope of application of these two tire repair methods is different, mushroom nail tire repair is suitable for larger breaks, and cold repair method is suitable for shallow and small breaks.

Depending on what kind of car you are, the car is generally cold repaired, and the work intensity is not so great. Truck tires are hot-repaired, after all, the working pressure is high, and a better safety factor is required. Hot patch trouble, naturally ** also expensive.

Hello: For the hot repair of automobile tires, it is generally necessary to use special tools for tire repair to heat repair after the tire is disassembled, which is more complicated than the maintenance process.

For cold repair, it is generally used to repair the adhesive strip or paste the glue, which is relatively simple, and the quality of the two is more reliable than that of hot repair.

Tire heat repair is good, heat repair is equivalent to the tire repair film and tire through heating into one, improve the performance of the tire.

Hello! Mushroom nail repair and patch cold repair are our recommended repair methods.

There is a heating process to ensure the normal use of the adhesive, but too high a temperature may have an adverse effect on the rubber and cause problems such as rubber aging. The cold patch method uses the heat generated by the tire itself when it rolls to make the vulcanized adhesive take effect, so as to achieve the best bonding effect without harming the rubber itself.

Mushroom nail repair: the inner liner and the carcass are repaired as a whole, and the carcass wire will not be eroded by water. It is a method of repairing tires as a whole, repairing the inner liner and carcass from the inside to the outside of the tires that can be repaired, which is the most professional tire repair method now;

Patch cold repair: repair the inner liner with patches to ensure that there is no air leakage, but the carcass is not repaired. The holes in the carcass can ingest water and corrode the steel wires of the tire.

First of all, the tire must be removed from the rim and inspected by a professional tire dealer before deciding whether it can be repaired.

Michelin recommends that tires cannot be repaired in the following cases:

1. The sidewall cannot be repaired.

2. If the diameter of the hole penetrated by the crown exceeds 6 mm, it cannot be repaired.

3. If the bead is damaged or deformed, the tread is deformed, the rubber is corroded by chemicals or the tire is damaged by air failure.

4. Other abnormal conditions cannot be repaired. For example, if there are traces of airless driving on the tires (e.g. crushing marks on the sidewall, blistering of the inner liners, etc.), it is not worth repairing because the tire structure may have been damaged and can no longer be used.

In addition, if some damage has caused the tire to be unusable, it is not worth repairing.

If the fire is repaired, the place that has been repaired can be replenished. If you have an injury on the top of the tire, don't use fire to make up for it, but if you use fire to make up for the top of the tire, you will feel that the tire will jump in the place where the fire is repaired if it doesn't turn around at high speed. Therefore, do not use fire to repair the tire top injury!

The sidewall injury must be repaired with fire, the sidewall can not be repaired with cold, and if you do not go around with cold repair, the patch will be folded with the tire, and the cold patch will be broken off after a long time. The fire patch is burned with the tires at high temperatures, so how can the fold not be folded.

What kind of car? Big carts? Although the fire supplement has drawbacks, it works well.

Fire repair, cold repair is to use an awl cone to fill the broken place and then stuff a ball of soft glue into it, which is equivalent to making up a patch in the broken place.

That's the equivalent of your tires always having that hole.

Fire repair is to seal the inside and outside of the tire with special rubber.

The advantage of cold patching is that it is only in a short time.

If the pattern is okay, you can suggest fire repair The effect is very good.

Tread cold repair, sidewall fire repair!

Hot repair and cold repair are two different tire repair methods, which can be selected according to their own needs.

At this stage, the tire repair methods on the market can be roughly divided into the following two categories: external method and internal method, and the internal method is subdivided into cold repair method (internal repair or paste repair), hot repair method (alias fire repair), mushroom nail method and automatic sealant repair method.

The external repair method is a method that can repair the tire urgently, that is, the adhesive sealant is stuffed into the hole, and the tire extruded sealant is used to make up for the tire break. Advantage: Easy to operate.

Defects: It can only be used as an emergency application, and cannot be used for a long time, and if you want to use tires again, you have to carry out in-house.

The following are the four common internal compensation methods on the market:

In the cold repair method, the tire is removed from the rim, the tear is found, and the dirt around the tear is removed, and a special tire repair film is pasted from the inside of the tire to prevent leakage. This kind of method is similar to the tire repair method of the bicycle, but it is necessary to have a special tire scraper and tire repair sleeve rubber can be carried out, and the price of repairing in this way is around 30 yuan. Advantages:

Able to repair large wounds. Defects: Not durable, after a period of immersion in water or after the car is driving, the repair area is likely to leak again.

The hot repair method, also known as: fire repair, is similar to the cold repair method above, and it is also a special type of film pasted on the tear, but there is an additional process that must be baked with baking equipment to bake the tear until the film melts and is bonded to the break. Advantages:

It is very durable, so you don't have to worry about repeated air leaks in the wound. Defects: The technical standards during the construction of the project are high, and technical professional equipment must be used, otherwise the heating temperature is too high and will cause secondary damage to the tires.

ps: Some people say that today's tires are all vacuum tires, radial tires, and the tread has stainless steel wires, which will no longer be suitable for the previous fashionable fire supplement.

Mushroom nail repair method, it is a more fashionable tire repair method, it is to use a similar fungus-like vulcanized rubber patch package, from the inside of the tire to select the system loopholes, the fungus roots to the outside, and then cut off the unnecessary part of the exposed outside, and the inside part of the special glue to stain. A part of the fungal root can have the actual effect of external supplementation, while a part of the fungus leaves is equivalent to the actual effect of internal supplementation. The price of this type of repair is around 100-200 yuan.

Advantage: The actual effect of tire repair is very good. Defects:

**More expensive than the general way.

Automatic sealant method: this kind of method is an emergency tire repair method in the case of no significant break, it is to introduce polymer material polymer into the inside of the tire, according to the heat generated by the tire driving bench Bi will adhere the polymer material polymer inside the tire and then do the harm to achieve the effect of repair.

Of course, the cold repair is better when repairing the tire, and the cold repair is more solid and more reliable.

Cold patching is to use glue to dissolve the rubber, and then the rubber on both sides is dried in the hand and then combined; Hot repair is the rubber (cushion glue) melted and the rubber on both sides of the solid body, of course, the method of hot repair is good, in fact, but also to sell the quality of the material and the quality of the technology.

If it is a private car, it is better to use the cold patch method, because the tires of the private car are relatively thin, and the way of heat patching is used, then the handling is trembling, and it will be a little difficult to control, but if the grip is the arm bridge of the truck, it is better to use the hot patch method, because this kind of supplement is very strong.

Cold repair is good, this is because the tire will have thermal expansion and cold contraction, and if the cold repair can be maintained, and then it will not affect the quality of the tire.

After the cold repair, a sealant will be applied around the patch to strengthen the patch, so that the chance of slow gassing caused by tire repair is very low. After the cold repair, a sealant will be applied around the patch to strengthen the patch, so that the chance of slow gassing caused by tire repair is very low. It is recommended to change the tire, the sidewall is rolled and the steel wire and nylon cloth on the side of the tire are damaged, it is not recommended to run at high speed, not afraid of 10,000, just in case, if you don't want to change the tire, change the tire to the rear wheel, don't put it in front, the front is the steering wheel, run at high speed and drive at low speed as much as possible.

<> If the tire sidewall is punctured, try to make up for it with fire, and the cold repair sidewall can't be repaired! The advantage of cold repair is that it can repair large wounds, but the disadvantage is that it is not durable, and after a period of water immersion or high-speed driving, the repair site may leak again. Hot patch mushroom nail repair:

The inner liner and the carcass are repaired as a whole, and the carcass steel wire will not be eroded by water. It is a method of repairing tires as a whole, repairing the inner liner and carcass from the inside to the outside of the tires that can be repaired, which is the most professional tire repair method now; Tires have a wear limit. If the tires are worn to the limit, they need to be replaced, even if they have not been used for more than five years.

Tires can be used normally after nailing tires, generally can be used until the tire is scrapped without problems, some tire repair shops have poor glue, and there are also problems of film falling off and air leakage, which is suitable for repairing common holes; The mushroom nail method is similar to the cold patch film method, but at the same time, a rubber strip should be penetrated from the inside to the outside of the tire, and the holes should be thoroughly repaired, which is suitable for filling large holes; Leak filler method, leak filler is used to automatically fill the car to see if the tire wall is injured, no matter how good the tread is, no matter how short the years are, but there are hard injuries on the side of the tire wall, or there is a lack of meat or other hard injuries on the tire or the tire is thicker and the wound is too big, at this time it must also be replaced, the tire has been damaged by the reinforcing fiber, through the repair even if the tire working environment is quite bad, the corrosion and wear are more, the tire aging crack will accelerate aging, and the cracked tire is recommended to be replaced immediately.