What Is The Appropriate Hardness Of Commonly Used Silicone Sealing Rings?

A silicone ring is a kind of sealing ring. Silicone is a kind of rubber material. Because of its special performance, wide range of temperature resistance, and excellent chemical properties, it is called special rubber together with fluorine rubber. Silicone is widely used to make various seals.

Due to the viscosity of the high molecular polymer, the relaxation process of the rubber in the deformation cycle is too late to complete. Over time, cracks and discoloration will occur.

The outstanding insulating performance of the silicone sealing ring is another advantage, but the appropriate addition of carbon black, nickel powder, aluminum powder, etc. to the material can increase the conductivity. Silicone sealing ring also has hygroscopicity, which has the function of absorbing and isolating moisture in the environment but has poor water vapor resistance.

What is the appropriate hardness of commonly used silicone sealing rings?

In general: (1) Y-shaped sealing ring, hardness 85+/-2 Shore A is more suitable. (2) O-shaped sealing ring, the hardness is 75 degrees plus or minus 5 degrees or so. Good-quality silicone rings are made of pure silica gel and have good elasticity and are not easy to deform, while inferior silicone rings have poor hardness and are easy to deform when squeezed by hand. The rubber rings that pass the quality standard will maintain their elasticity and airtight under a certain pressure.

Silicone sealing ring, the silicone ring is a kind of soft silicone material, mainly using % food grade silicone as raw material, high transparency, strong tear resistance, aging resistance, and no stickiness, it can absorb any level of glass, ceramics, or non-stick Embroidered steel cup mouth, good sealing performance, slow down the strong aroma of juice, tea or coffee in the cup, and can also use air pressure to lift the entire cup, and it can also prevent dust in daily use.

Silicone rings for water cups are mainly used for water cups, heat preservation boxes, fresh-keeping boxes, heat preservation boxes, heat preservation cups, ovens, magnetized cups, and other daily-use silicone cup covers. The human body has no side effects. The silicone sealing ring of the water cup is placed in the inner card slot of the lid of the water cup. It mainly plays a waterproof and sealing role. The water cup is a daily necessity for everyone. The water cup with good sealing is more convenient to carry, and it does not leak or air.

Moreover, the heat resistance of the water cup sealing ring is relatively high. Putting high-temperature boiling water in the water cup will not deform the water cup sealing ring. The first choice for water cup sealing ring manufacturers is sealing. Although different brands of products have different sealing methods, they are excellent. Excellent airtightness is a necessary condition for water cups.

Cixi Changhe Xinqide Seals Factory is a wholesale rubber O-ring seals manufacturer and custom bulk rubber ring factory in China, providing custom rubber seals for sale, welcome to consult.