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Silicone seal characteristics affect the quality of silicone tube

Release time:

2021-01-12 16:43

Source:

Dongguan Mingzhen

Silicone seals are familiar to many people, but they know less about oil-taking silicone seals. What are the characteristics of oil-taking silicone seals? Next, rubber will answer for everyone. O-ring silicone products are becoming more and more popular because of their environmental protection performance. Oil-taking silicone seals have the following characteristics:.

1, good self-lubricating performance, processing performance.

2, take the oil silicone seal has good heat resistance, electrical insulation, weather resistance, hydrophobicity, physiological inert silicone keys and smaller surface tension (explain: the object is subjected to tension when the mutual traction), in addition to low viscosity-temperature coefficient, relatively high resistance to compression, some varieties also have the performance of radiation resistance.

3. The oil-taking silicone seal has a slow-release effect of a sealing ring, which not only ensures the lubrication effect, but also improves the use time.

4. The oil-taking silicone seal feels smooth, the surface finish is relatively high, the face is relatively flat, it will not produce sticky dust, the wear resistance is improved, and the adhesion is strong.

Liquid silica gel 5, dustproof, anti-sticking performance is good, but also has a low viscosity temperature coefficient, high resistance to compression.

What is the reason that affects the quality of silicone tube.

1. The quality of silicone rubber raw materials is not good, the performance is too poor, and the toughness is not good, so it will be very easy to cause rupture in the silicone product factory, so the silicone raw materials must be closed.

2. Silicone products are incomplete in the vulcanization process. When the molding die temperature is too low or the vulcanization time is too short, it will cause the product to stick to the mold and not be easily demoulded. Silicone key manufacturers are also prone to cracking and other conditions may occur. Therefore, it is necessary to increase the molding temperature or lengthen the vulcanization time in the vulcanization process.

3, silicone products molding temperature is too high, the temperature is too high will make the silicone products in the seal molding brittle, easy to break when demoulding, also prone to rupture, so appropriate to reduce the molding temperature can be.

4. The surface of the silicone product molding mold is too rough or accumulates dirt, so it is not conducive to demoulding, and it will also cause cracking of rubber products. It only needs to be clear or electroplated on the mold.

5. Sometimes, because the operator's operation method for demoulding is irregular, it is easy to have many problems. Therefore, it is necessary for the demoulding operator to have operation training. The cracking of silicone rubber key rubber products is inevitable. However, we can reduce the proportion of defective products caused by cracking through our good specifications. Generally, the cracked silicone rubber products account for the majority of miscellaneous parts, so we must pay attention to these aspects in the production process.

 

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