Products Description
PP (Polypropylene) plastic balls
PP (Polypropylene) plastic balls are widely used in cosmetics rollers, medical devices, environmental protection equipment and other products. Properties: Polypropylene plastic is the lowest density among common plastics, it is a milky white highly crystalline polymer, non-toxic and odorless.
Characteristics: It has good mechanical properties, good rigidity and wear resistance, relatively high hardness; good heat resistance, poor cold resistance; does not absorb water, good chemical stability, but not resistant to sunlight, poor thermal stability; flammable, emits a petroleum-like smell when burning; good electrical insulation, withstands voltage; the film is transparent, has poor permeability to air and water vapor; suitable for forming films, wires and other products, but has poor dyeing, printing and adhesion properties.
Precision grades: G0 - G2
Specifications: 1mm - 100mm
Our Pp Plastic Balls photos

Cold chain transportation of semi-finished food project

Cold chain transportation of semi-finished food project

Cold chain transportation of semi-finished food project
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Product Name |
Polypropylene Balls(PP) |
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Size |
Φ1mm-Φ100mm |
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Grade |
G0-G3 (±0.01-0.05mm) |
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Density |
0.87g/cm3 |
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Feature |
Has good resistance, chemical resistance, low density (density less than water),low water absorption, the highest melting point of the thermoplastic with excellent electrical insulator and low dielectric coefficient, often used for floating capacity requirements, with blood transfusion, level calibration indicator. It has a high resistance to chemical substances, such as acid, alkali, alcohol, many inorganic substances, salt solutions,solvents, gasoline, water, oil, grease,cleaning agents, fruit juices, milk and the like, but not resistant to aromatic carbon hydrogen compounds and chlorate...... |
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Application |
Low load bearings, special valves, check valves, floating valves, fluid level indicators, flow meters, chemical, medical and laboratory devices, blood transfusion kits. |
Our factory & quipment
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Specification
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Size(mm) |
Size(inch) |
Size(mm) |
Size(inch) |
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3mm |
12mm |
|||
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3.175mm |
1/8'' |
12.7mm |
1/2'' |
|
|
3.969mm |
5/32'' |
13mm |
||
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4mm |
14mm |
|||
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4.763mm |
3/16'' |
14.288mm |
9/16'' |
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5mm |
15mm |
|||
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5.556mm |
7/32'' |
15.875mm |
5/8'' |
|
|
6mm |
16mm |
|||
|
6.35mm |
1/4'' |
19.05mm |
3/4'' |
|
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7mm |
20mm |
|||
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7.144mm |
9/32'' |
22.225mm |
7/8'' |
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|
7.938mm |
5/16'' |
25mm |
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8mm |
25.4mm |
1'' |
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8.731mm |
11/32'' |
28.575mm |
1-1/8'' |
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|
9mm |
30mm |
|||
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9.525mm |
3/8'' |
31.75mm |
1-1/4'' |
|
|
10mm |
35mm |
|||
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11mm |
38.1mm |
1-1/2'' |
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|
11.1125mm |
7/16'' |
50mm |
Our other material plastic ball
|
Product |
POM Plastic ball (Delrin/Resin) |
PP Plastic ball
(Polypropylene) |
PA Plastic ball
(Nylon) |
|
Grade |
G0-G3 (±0.01-0.12mm) |
||
|
Density |
Around:1.41g/cm3 |
Around:0.9g/cm3 |
Around:1.14g/cm3 |
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Feature |
similar to nylon
slightly harder larger density low water absorption the most hard and wear resistant materials |
good resistannce and chemical resistance density less than water the highest melting point |
preferably the alkali metal adapt to the neutral characteristics of petroleum products and all kinds of chemical products |
|
Application |
POM ball table drawer slide device bearings,rollers,valves,electronic apparatus,sailing apparatus. |
Used for transfusion,level calibration indicator. |
Used in check valve,light load,the knob pull switch,low-cost |

lotion pump,trigger sprayers ,Low load bearings, special valves, check valves, floating valves, fluid level indicators, carburetors, flow meters, chemical,
medical and laboratory devices, blood transfusion kits.

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
PP Plastic Balls FAQ
1. What are polypropylene balls used for?
These PP hollow plastic balls are used as floating elements, they help to strongly reduce evaporation of liquids and emission of unwished steam. They also are frequently used even as decorative elements, cosmetic rollon, variety of medical and packaging uses.
2.What are the disadvantages of polypropylene?
Polypropylene disadvantages
Other recycling or re-conditioning methods must be considered, at a significantly higher cost. This low melting point also means that polypropylene is highly flammable and limited in its ability to withstand higher temperatures and it is also susceptible to UV degradation and oxidation
3.Is polypropylene good or plastic?
Polypropylene is a type of plastic used to make everything from food containers and water bottles to household appliances and automotive parts. It's inexpensive to make and strong. It doesn't contain BPA and is recyclable, so it's a good plastic option.
4.What is special about polypropylene?
Advantages of Polypropylene
Lightweight: PP is a lightweight material, which makes it easier to transport and advantageous in industries where weight reduction is desired, such as automotive and packaging. It is also capable of floating on water, given it has a density of less than 1 g/ml.
5.Is polypropylene a cheap plastic?
Benefits and Applications of Polypropylene (PP)
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