• Ningbo WeiWo Electromechanical Tech Co.,Ltd.
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  • Ningbo WeiWo Electromechanical Tech Co.,Ltd.
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Carbon fiber filled PTFE Bands With Consistency Size And ROHS Report Used In Pistons

Place of Origin China
Brand Name WEIWO
Certification ISO9001:2008
Model Number WWPTFE161021
Minimum Order Quantity 1,000pcs
Price negotiation
Packaging Details Packed in plastic bag, then in carton with standard export package
Delivery Time two weeks for new samples
Payment Terms T/T, Western Union, L/C
Supply Ability 150,000pcs per month
Product Details
Product Name PTFE Bands Material PTFE + Bronze Compound
Application Shock Absorber Melting Point 600K
Length 118mm Production Punch Machine
Yield Strength 23MPA Coefficient Of Friction 0.05-0.10
High Light



piston band

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Product Description

Carbon fiber filled PTFE Bands With Consistency Size And ROHS Report Used In Pistons



ptfe guide strips that cut into wear ring is to guide the piston and piston rod of a hydraulic cylinder,


absorbing transverse foree. At the same time, it prevents metal to metal contact, optimizing the


performance of the sealing system.




Type of filler -Graphite 


Extremely low coefficient of friction


Chemically inert


Usually incorporated with other fillers such as glass or carbon


Increases wear resistance especially against soft metal




Manufacturers of PTFE Piston Bands


Used in shock absorber struts


Poly Fluoro Piston Bands are designed for hydraulic and pneumatic equipment. Its unique design


prevents equipment seizures which can arise with other forms of guidance materials.


Poly Fluoro Piston Bands offer extremely low friction and break-away forces. This material is also resistant


to all hydraulic fluids, and is suitable for temperatures up to 200°C.


Poly Fluoro Piston bands are the solution to costly cylinder re-machining and repairs for large diameter


equipment. Coils are available in common sizes and are easy to use, cut and install.


The bearing material is made from PTFE with a 40% Bronze filling and is specifically designed to support


heavy loads. The exceptional physical properties and PTFE lubricants make the piston bands suitable for


use on rams or pistons in reciprocating applications.


Meanwhile we can also add other fillers with PTFE, such as glass fiber, carbon fiber, graphite and so on.


Application data

Inspection item



Bulk density


1.90(±0.10)-for sheet; 2.30(±0.20) for PTFE seal



Green, Blue, White, Black

Pressure Limit



Temperature Limit


PH Range



PTFE Seal thickness



Gasket Thickness 


2(±0.10) or as customers' request




It is widely used as flange sealing to joint where strong acid or alkaline or other corrosive.


Competitive Advantage:


It has a low coefficient of friction and lubrication is not always necessary.

PTFE can work together with other materials like fiberglass or copper to get a better mechanical property.

When PTFE is expanded properly, the fiber changes from hair-like structure to a web-like structure and


become much more stronger while it is much lighter.


Prevents metal to metal scoring and prolongs equipment life


Reduces radial movement on both rams and pistons to extend seal life


PTFE lubricant allows for lower coefficient of friction between mating surfaces


Retrofits existing bearing groves and eliminates unnecessary modifications


Available in common groove width dimensions, minimizing inventory costs


Strips can be cut to size from the coil


Pictures show:

Carbon fiber filled PTFE Bands With Consistency Size And ROHS Report Used In Pistons 0