Plastic polished ball is one of the main products of our company. We produce plastic polished hollow ball and plastic polished solid ball.It is widely used in industry, household, cosmetics and so on. We sale not only sale large quantity of plastic polished ball in Chinese domestic market but also export much more to foreign countries especially to America countries and European countries.

Material

We provide various material of plastic polished ball.
The main materials as below,
PP plastic
HDPE plastic
POM plastic
PVC plastic
We provide both solid balls and hollow balls as pictures with different colors

Size

We can provide various sizes for hollow and solid polished ball. Further more we can also produce customized ball according to customer’s special requirement about size, weight,color or others.

Our standard size as below

  • Plastic polished hollow ball

Ø10mm, Ø15.75mm, Ø20mm,
Ø 25.4mm,Ø28.8mm,Ø35.56mm
and the customized sizes

Pictures for polished hollow ball

Plastic-Hollow-Ball

  • Plastic polished solid ball

Ø4.765mm,Ø5.5mm,Ø7.85mm,
Ø9.575mm, Ø9.85mm,Ø10mm,
Ø24.75mm,Ø25mm
and the customized sizes

Pictures for polished solid ball

Plastic-Solid-Ball

Usage

Plastic polished ball is widely used in industry and household electrical app appliances, cosmetics and so on. The main usage as below,

1.Used as seal valve

In automatic industries, the polished plastic balls are normally used as sealing valve to take the function of sealing. They will design polished hollow ball or polished solid ball on electronic, electrical appliance, valve, sanitary products, water tap and others to prevent leakage. It is also used on vacuum cleaner to prevent dust dropping out from the dust box.

As a seal valve ball, we have very strict requirement about the size tolerance and materials.

  • The tolerance of the ball diameter should be within 0.03mm.
  • The surface smooth finish should be within RA0.025
  • Choose suitable materials according to the application such as PP, POM, PE, ABS, NYLON and so on.
  • The size difference between ball and the ball support is within 0.25mm

2.Floating ball in fuel, oil, water or other liquid.

Because of the lower density of plastic material, plastic hollow ball can float on most of the liquid surface. The small plastic ball is widely used in level gauge as floating ball to show the level of liquid or the pressure of gas. It is also used as cover ball on the liquid surface. They are put on the liquid surface to prevent liquid evaporation, smelling sending out into the air, vapour loss. It is widely used in industry, precision instrument, commercial cooker.

3.Roll-on ball in cosmetic and pharmaceuticals industry

Plastic polished ball including hollow ball and solid ball are widely used on plastic bottle with roll-on ball. This kind of plastic bottle is used in cosmetics for some liquid skin care products. It is also used to fill the liquid medicine in pharmaceuticals industry.