Rubber X-Rings
Rothkopf is a rubber component company that provides superior products to our clients across the globe. Our team has been working in the industry since 1956, making us one of the longest-running brands in the rubber component world. People have put their faith in us for decades and consistently been rewarded with superior products delivered at a fair price. Our services can be scaled to your unique application, whether you need a small custom order or a huge order for an entire corporation. Learn more about how we can help with quad ring seals below.
Your source for Rubber X-Rings

If you have traditional O-rings currently and are thinking about upgrading, now is a perfect time. We can get you x-rings in the exact sizes you need so that you can have a more efficient and safe setup in no time.
Superior quality parts, every time.
Parts are manufactured using a selection of compounds:

Buna N/Nitrite (NBR)

Ethylene Propylene (EPDM)

Fluorocarbon (FKM)

Fluorosilicone (FVMQ)

PTFE Encapsulated

Hydrogenated Nitrile (HNBR)

Neoprene (CR)

Silicone (VMQ)

Teflon (PTFE)

Urethane

GLT/GFLT

Custom Formulated
Our parts comply with industry and agency standards as indicated:

Mil-Aero/GPL

NSF

FDA

UL Listed

OEM specified approvals
Product finishing options include:

Teflon Coating (PTFE Resin)

Internal/External Lubrication
