VMQ Red Rubber Ball

Precision Ground Balls Our Rubber Balls are precision ground to remove parting lines for a superior sealing surface. Ground balls are available in a variety of Polymers in durometers from 70 to 90. Our standard materials are listed below. Compound 5716 is usually available “off the shelf”. ASTM Designation Common Polymer Name Standard Compound Durometer NBR Nitrile, Buna N 5716 70 FKM Fluoroelastomer, Viton® 8746 75 CR Neoprene 4753 70 EPDM EPDM 23701 70 HNBR Hydrogenated Nitrile 55801 75 Most compounds that are 70 Durometer and higher in these five polymers can be used to make ground balls. Sometimes we are able to grind balls in compounds or polymers that are not normally ground. Contact us to find out if we can produce your special requirement. Ground balls are available in the sizes and tolerances listed below. Because our balls are ground after molding, you do not need to consider compound shrinkage

Polished Balls Because of properties inherent in some rubber materials, they cannot be successfully ground. As an alternative, PAI uses a method we call “Polishing” to provide a surface finish that is an improvement over standard molded balls. In many cases the parting line can be reduced significantly using this process. All of our balls under 1/2” can be polished successfully. Larger balls can also be improved by polishing. This polishing process is also an option to avoid expensive grinding fixtures for your custom size requirements. The finish of ground balls can also be improved by polishing them to a shiny finish.

XLONG SEAL offers industry grade of rubber ball seals.

• Range of compounds
  

    NBR (Nitrile)
    HNBR
    FKM
    EPDM
    Silicone

• Range of Hardness by shore A
  

    50 Shore A
    60 Shore A

    70 Shore A
    80 Shore A

• Range of cross sections

    From 3.27mm to 50.0mm.

    Please download the data sheet to check the tolerances.

• Range of colors available
  

    Black

    Red

• Other hardnesses, sizes and colors are available upon request.

FAQ

Do you use any international standards for the rubber products? 

A: Yes, we mainly use ASTM D2000 standard to define the quality of the rubber materials, tolerances as per ISO3302, ISO2768, etc. 

What is your standard packing? 
A: All the goods will be packed by carton box and loaded with pallets. Special packing method can be accepted when needed. 
A2: We have various rubber compounds approved by UL, FDA, , KTW, W270, WRAS, ACS, AS4020, EN681, EN549, RoHS and REACH. 

How long is the production lead time?

It takes about 15 days for MOQ.

How to select the raw compound for my application? 
A: With years of experience working with a variety of material, we can help select the material that will best suit your needs while keeping material costs in mind. 

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