The seal in lampblack machine basically is to have sealing effect, below the circumstance that ensures grease above won't low or overflow.

The cushion has many other functions besides the function of damping. Like sound insulation, buffering, shock absorption and vibration isolation

(1) full of elasticity and resilience; (2) appropriate mechanical strength, including expansion strength, elongation and tear resistance; (3) stable performance, not easy to swell in medium......

With high strength, high wear aramid fiber as the main material and good lubricity of special materials made of composite sealing products. This sealing product has excellent lubricity and abrasion resistance.

It is to prevent fluid or solid particle leakage, and prevent external impurities such as dust and water invasion.

It is a thing sealed, so that it is not easy to open, shock absorption, waterproof, sound insulation, heat insulation, dust, fixed and other functions of the product.