Why some customers often chose our POM solid plastic ball to sealing their valves?
Because POM (polyoxymethylene, commonly known as "Sai Gang") balls: high-density, high crystallinity, high hardness, wear resistance, good self-lubricating properties, low water absorption, So it's very suitable for precision components such as slides, bearings, valves, automotive parts, etc .
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 |
Delrin pom Plastic Balls |
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Material |
Delrin (Polyoxy-Methylene), POM, Acetal |
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Size |
0.8mm-100mm |
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Standard Size |
2/32'' 1/8'' 5/32'' 3/16'' 1/4'' 5/16'' 3/8'' 7/16'' 1/2'' 9/16'' 5/8'' 3/4'' 7/8'' 1'' 1-1/8'' 1-1/4'' 1-3/8'' 1-1/2'' 1-3/4'' 2'' |
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Grade |
G0-G3 (0.01-0.05mm) |
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Color |
Natural, off-white or colored |
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Density(g/cm³) |
round: 1.4g/cm3 |
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Solid or Hollow |
Solid |
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Temperature Resistance |
40~130 ºC |
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Technology |
Hot Pressing Molding,Injection Molding |
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Feature |
Delrin (Polyoxy-Methylene), also known as Acetal, Polyacetal, and POM, is an engineering thermoplastic commonly used for precision |
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Application |
Application |
Below is our Hard Plastic Sphere Grade
| 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 |
Our factory & quipment
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lotion pump,trigger sprayers ,Bearings, valves, medical devices, automotive components, precision instruments, and food processing equipment (food-grade options available) POM ball table,drawer slide device bearings, rollers, valves, electronic apparatus, sailing apparatus.
About US
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.
1. Are you a factory or a trade company ?
We are a professional high precision plastic ball factory more than 20 years history
2. Which material you can produce ?
We are able to produce material of POM ,PP ,PA6,PA66,PTFE,PEEK,PS,PLASTIC BALL
3. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
4.what can you buy from us?
plastic ball,Stainless steel balls,Copper balls,Brass ball .Glass balls,hard alloy balls (tungsten steel balls)
4. why should you buy from us not from other suppliers?
Our company is specialized in producing all types of stainless steel balls with the diameter ranging from 0.30mm to 63.5mm (440C,420, 316L, 304HC, 201). Meanwhile, we also produce copper balls (H62, H65), plastic balls (P0M, PP, PA, PTFE), carbide ball.
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