Pharma cold chain HS code analysis

List of the contents of this article:

• 1,Pharma cold chain HS code analysis What's wrong with the smell of rubber in the car?
• 2 、 What are the characteristics of car rubber?
• 4
  、What are the introduction of automotive rubber accessories

What's wrong with the smell of rubber in the car?

In most cases, it should not be caused by the handbrake or clutch, because the handbrake or clutch will only produce the smell of glue wood, not the smell of rubber burning. If you have ABS or have never braked, don't think about the smell of the tire. It is necessary to pay attention to the driving process of the car. It should be maintained at a uniform speed while driving.

The special smell of burning non-metallic materials during driving may be caused by overheating and burning of the clutch disc. The clutch sheet is composed of rubber, asbestos and other materials, and the smell of burning will be mixed with the smell of burning.

This situation is likely to be caused by too many semi-linked throttles. If your car is a manual transmission, if the accelerator is turned too high during the semi-linkage, the clutch plate of the gearbox will rise rapidly, and there will be a burning smell in the car at this time.

If you smell this smell, you should be vigilant. Most of this situations are related to electrical wiring. If you find that the wire is overheating, you must stop immediately to find out the cause. It doesn't look good about the burning of the wire, but if it is not dealt with in time, it is likely to cause complete damage to the circuit, and the engine will pull the cylinder or even spontaneously combust into the car, and the consequences will be serious.

The parking environment of the car will lead to odor in the car. The seasonal characteristics of summer are mainly high light and high temperature, and some car owners do not pay much attention when choosing a parking space, which causes the car to be exposed to the sun at high temperatures. This continuous warming will raise the temperature in the car, resulting in the heating of the leather chair.

This is one of the most common causes of the smell of car burning. Your car may leak oil. This usually causes the oil to enter the exhaust pipe.When the car is driving, the exhaust pipe is very hot, so you may smell a strong smell, and sometimes white smoke comes out of the exhaust pipe. After driving, the car smells of burnt rubber.

What is the name of the black adhesive strip on the edge of the window

The black adhesive strip on the edge of the window is called the door seal, which is one of the important parts of the car and is widely used in doors, windows, body, seats, sunroofs, engine boxes and backups. The box and other parts can be used to produce rubber hinges for installing the door of the luggage compartment of the bus, and also have other waterproof, sealing and other functions.

The black plastic of the car window frame is called a window mold. The window trim is an accessory installed on the edge of the car window, which plays a decorative and windproof role. The window guide groove seal is installed in the door steel channel around the four door lifting glass.

The window glass guide groove seal is installed in the door steel groove around the four-door lifting glass. As a guide part of the window glass lifting, the window glass guide groove seal is composed of dense glue of different hardnesses, which is inlaid into the car body to ensure the accuracy of size matching, so as to achieve the function of sealing leakage prevention and sound insulation.

The black hard plastic strip next to the car window is called the window trim strip. It is sold in the car decoration store. It is made of stainless steel, with double-sided adhesive on it, which is directly pasted.

What are the characteristics of car rubber?

Automotive seals are mainly made of ternary B with good elasticity and compression deformation resistance, aging resistance, ozone resistance, chemical resistance, and a wide use temperature range (-40℃~+120℃)Propylene rubber (EPDM) rubber is foamed and densely compounded, containing unique metal fixtures and tongue-shaped buckles, which are sturdy and durable, and conducive to installation.

The vulcanized rubber has good elasticity and wear resistance, and the formula does not contain sulfur, so it is very easy to make. It has particularly good weather resistance, is not afraid of intense distortion, is not afraid of refrigerants, and is resistant to dilute acid and silicone ester-resistant lubricants. The general temperature range is -50-150 ℃.

Characteristics of rubber There are two types of rubber: synthetic rubber and natural rubber. Synthetic rubber mainly includes butadiene rubber, butyl rubber and nitrile rubber. Application of rubber in automobiles Introduction to automobile rubber parts Many parts of automobiles use rubber, accounting for 5%~8% of the weight of the whole vehicle. It is the second largest application material after steel.

What are the introduction of automobile rubber materials and automobile rubber accessories

1. Many materials on automobiles are made of rubber. For example, the valve-type transformation of BMW's N20 engine is made of rubber, and some cylinders are also The sealing ring, the sealing gasket, and the sealing room are all made of tree rubber.

2. The main component of most automobile tire materials is natural rubber or synthetic rubber. The comprehensive performance of natural rubber is superior to that of synthetic rubber, so advanced tires use more natural rubber. In order for rubber to have the performance required to make tires, different chemical materials, that is, chemical additives, must be infiltrated into the rubber.

3. Car hose. No matter in which carThere are many rubber tubes, such as radiator tubes, air conditioning tubes, water tank tubes, gasoline tubes, etc., because these hoses need to experience vibration and bumps in the driving environment, so they must require various performance, so car rubber accessories must be used. Automobile sealing products.

4. Tires are the common name of tires, which are usually made of wear-resistant rubber materials. There are solid tires and inflatable tires. Inflated tires are composed of inner tires and outer tires. Tire materials The main material of car tires is rubber, and the most widely used are natural rubber, butadiene rubber, butyl rubber, butyl rubber, etc.

5. There are tires outside the car. If you use rubber, it's a seat cushion in the car. The edges of the windows and glass windows rely on rubber skin to maintain the glass to prevent vibration or air leakage. If there is no rubber skin, it will definitely leak air. There is also a rubber leather sock on the lid of the water tank.