what is a Polypropylene Spheres ?

A polypropylene ball is a spherical object made from the thermoplastic polymer polypropylene, which is lightweight, durable, and resistant to heat and chemicals. These balls are used in various applications, including industrial (like covering open tanks to reduce evaporation) and laboratory settings (due to their resistance to water absorption). They can be solid or hollow, the latter often used to control evaporation, reduce heat loss, and act as check valves.

Product Name	PP (polypropylene ) Plastic Ball
Material	Polypropylene, pp,(C3H6)n
Size	1-60mm
Grade	G0-G3 (0.01-0.05mm)
Density	Around: 0.88g/cm3
Color	colorful Upon request, natural
Feature	Polypropylene balls are featured by a low weight, good mechanical characteristics and corrosion, fatigue and collisions resistance. They are resisting to heat and they are excellent electric insulators. They are floating into water. Additives can be added to avoid degradation phenomena causing to a long exposure at sun light (UV radiation absorption). It is a recyclable material. polypropylene balls are resisting into not concentrated acids, alkalis, alcohols, oils, greases and most inorganic compounds. Fair resistance in aromatic hydrocarbons, they are not resistant in contact with halogens. They provide corrosive phenomena even in presence of concentrated acids and oxidizing agents at high temperature.
Application	Low load bearings, special valves, check valves, floating valves, fluid level indicators, carburetors, flow meters, chemical, medical and laboratory devices, blood transfusion kits.

Grade of our plastic ball size tolerance:

Grade	Tolerance range of diameter(mm)	The tolerance range of roundness(mm)
G0	+/-0.0127	0.00635mm
G1	+/-0.0254	0.0127mm
G2	+/-0.0508	0.0254mm
G3	+/-0.127	0.127mm

All our factory balls as below

Our factory plastic ball

Lor POm

Plastic Ball With Hole

Pom Plastic Ball

Polypropylene Balls

Plastic Resin Ball

Company profile

With more than 25 years experience, Kaifeng Bell is a professional solid plastic ball manufacturer in China. Material : Acetal (POM), Polypropylene (PP) ,Nylon (PA PA66) ,PTFE(Teflon) ,PS ,PEEK, Acrylic (PMMA) , etc. Size from 0.8mm to 100mm. Grade G0 G1 G2

We have two factories to produce our balls , one is Located in Henan province (cover 10000 square meters and with more than 200 sets machines), another is located in Shandong province (cover 5000 square meters and with more than 50 sets machines) As plastic ball supply ,we also produce (304 316 316L 440C 420C) stainless steel ball, brass copper ball,(soda-lime&borosilicate) glass ball,Ceramic ball ,Tungsten Carbide Ball, sattelite steel ball,Aluminum Balls . Sizefrom 0.3mm to 100mm Grade from G5 to G1000

Quality Assurance

Our technical engineer has over 30 years experience . After finished to produce balls, we will take sample balls from the batch are sent for final audit to check for surface roughness, roundness, waviness, lot size variation and hardness in a sophisticated laboratory, according to specified control plans and dock audit procedures. Once all requirements are met, a test certificate is then prepared for the customer.

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Polypropylene Balls

Our factory plastic ball

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