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Min. Order : 20 Pieces

Small Hard Black Nitrile Rubber Balls 9.5mm 6mm 8mm 5.3mm

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Quick Details

Port: Shanghai
Payment Terms: T/T,Western Union,MoneyGram
Supply Ability: 1950 Ton/Tons per Year
Brand Name: ZDE
Place of Origin: Jiangsu China
Size: 3.18~13.41mm
Color: Black
Material: NBR
Model Number: RB001
Processing Service: Moulding
Feature: high temperatures resistance, ozone resistance and chemical resistance
Packaging Detail: PE bags for inner pack and cartons for outer pack
Package Preview: https://sc04.alicdn.com/kf/H93f32a6a479a42b3ab6057685c51e4b9C.jpg_640x640.jpg,https://sc04.alicdn.com/kf/H135155427a8340439ce35f33518ed233w.jpg_640x640.jpg
Wuxi Previcur Sealing Material Co., Ltd.
Gold Supplier
Manufacturer, Trading Company
Response Rate
On-time delivery rate
US$ 10,000+
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Small Hard Black Nitrile Rubber Balls 9mm 6mm 5mm 10mm

1 - Rubber ball usually use NBR, FMK, EPDM, SIL etc.

2 - The hardness is 50~90 shore a. It also can be customized as per your request.

3 - The size is the diameter(3.27mm, 4mm, 5mm, 5.3mm, 6mm, 6.25mm, 6.35mm, 7mm, 8mm, 9mm, 10.7mm, 12mm)


Rubber Ball Size
Size Tolerance Roundness
3.18 0.08 0.08
3.27 0.08 0.08
3.96 0.08 0.08
4.00 0.08 0.08
4.76 0.08 0.08
5.00 0.08 0.08
5.30 0.08 0.08
6.00 0.08 0.08
6.25 0.08 0.08
7.00 0.08 0.08
7.92 0.08 0.08
8.00 0.08 0.08
8.25 0.08 0.08
9.00 0.08 0.08
9.52 0.08 0.08
10.00 0.08 0.08
10.21 0.08 0.08
11.00 0.08 0.08
11.53 0.08 0.08
12.00 0.08 0.08
12.70 0.08 0.08
13.41 0.08 0.08


♥Cut experiment: No impurities inside, no air holes and bubble

rubber ball cut

♥Rubber Ball: Rubber ball elasticity

rubber ball elasticity





rubber ball mould



We are a comprehensive enterprise specialized in the development, production, sales and service of rubber seals:)

Our company has sophisticated automatic machines and machining centers with advanced testing instruments to ensure the stable and efficient product quality:)

We keep improving and developing sealing performance to maximize customer satisfaction:)

Our staff of knowledgeable sales people are respond quickly to get you what you need when you need it:)

We 100% inspect all the products we produce to ensure the highest quality:)

We stock over 50 million o-rings and over 10,000 SKUs. We will always work to understand your application and provide the best possible solution:)




Q: Are you trading company or manufacturer ?

A: We are factory.


Q: How long is your delivery time?

A: Generally it is 2-3 days if the goods are in stock. or it is 20-25 days if the goods are not in stock, it is according to quantity.


Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.


Q: Do you accept small order?

A: Yes, we accept small order for a trial.


Q: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
We appreciate your interest in our company. Want to learn more about what we do, have questions or need a quote? pls feel free to contact us as below:

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