40% Bronze-Filled PTFE Round Bar
Model:KXT B980-40
40% Bronze filled PTFE Round Bar is the most common metal filler and it is dark brown in color. Bronze filler has excellent wear, creep resistance, and higher thermal conductivity than glass fiber with PTFE. Adding bronze in percentages between 40 and 60% can increase wear. PTFE Bronze-filled has poor chemical resistance in the presence of acids and alkali. PTFE Bronze-Filled is machined and used in bearings at high speeds when shafts are not hardened. It is useful in applications with higher mechanical loads and higher speeds rubbing contact points where bronze-filled supplies the strength and conductivity to carry away excess and unwanted heat. Used in hydraulic systems, superb for linear bearing, slides, guide ways, bearing rings, piston rings and wear pads., etc
Model KXT B980-40
40% Bronze-Filled PTFE Round Bar – High Wear Resistance & Thermal Conductivity
KXT B980-40 is a bronze-filled PTFE round bar containing 40% bronze powder by weight. Bronze is the most common metal filler for PTFE, giving the material a characteristic dark brown color. The filler provides excellent wear and creep resistance, and higher thermal conductivity than glass fiber filled PTFE. Manufactured by Kaxite, a professional China manufacturer and supplier of PTFE products.
40% Bronze Powder Excellent Wear Resistance -200 ~ +260°C High Thermal Conductivity
Direct answer: The KXT B980-40 is a filled PTFE rod compounded with 40% bronze powder. Bronze filler offers excellent wear, creep resistance, and higher thermal conductivity than glass fiber with PTFE. PTFE bronze-filled has poor chemical resistance in the presence of acids and alkali.
This material is machined and used in bearings at high speeds when shafts are not hardened. It is useful in applications with higher mechanical loads and higher speeds rubbing contact points where bronze-filled supplies the strength and conductivity to carry away excess and unwanted heat.
Used in hydraulic systems, it is superb for linear bearing, slides, guide ways, bearing rings, piston rings, and wear pads. Request a quote →
Material Overview
What Is Bronze-Filled PTFE Round Bar?
Direct answer: Bronze-filled PTFE round bar is a PTFE rod in which 40% (by weight) bronze powder is blended into virgin PTFE. The bronze filler greatly improves wear resistance, deformation strength, dimensional stability, and thermal conductivity, while reducing creep and cold flow.
Most Common Metal Filler
Bronze is the most widely used metal filler for PTFE. It is blended at 40–60% by weight, giving the material its characteristic dark brown color.
Excellent Wear & Creep Resistance
Bronze filler has excellent wear, creep resistance, and higher thermal conductivity than glass fiber with PTFE, making it ideal for high-load applications.
Data Sheet
Technical Specifications
Direct answer: KXT B980-40 is made of 40% bronze powder blended with PTFE, offering good thermal conductivity, low moisture absorption, high tensile strength, easy machinability, creep resistance, and excellent wear.
| Property | Test Method | Values |
|---|---|---|
| Material | — | 40% Bronze powder + PTFE |
| Specific Gravity | ASTM D 4894 | 3.2–3.6 g/cm³ |
| Tensile Strength | ASTM D 4894 | 18–25 MPa |
| Elongation | ASTM D 4894 | 180–250% |
| Shore D Hardness | BS EN 13000-2 | 60–65 |
| Temperature Range | — | -200°C ~ +260°C |
Key Characteristics
Why Choose KXT B980-40
Direct answer: KXT B980-40 reduces heat in wear applications (low friction), has good thermal conductivity, low moisture absorption, high tensile strength, easy machinability, creep resistance, and excellent wear.
Reduces Heat in Wear Applications
Low friction and high thermal conductivity reduce heat build-up in high-speed rubbing contacts.
Good Thermal Conductivity
Bronze filler conducts heat away from the rubbing surface, extending service life.
Low Moisture Absorption
Low moisture absorption for stable performance in humid and wet environments.
High Tensile Strength
Bronze powder greatly increases the tensile strength and compressive strength of the PTFE compound.
Easy Machinability
The compound is easily machined into rods, rings, bushings, and custom PTFE parts.
Creep Resistance
Improved dimensional stability and lower creep and cold flow under sustained mechanical load.
Excellent Wear
One of the best wear properties of any filled PTFE grade, suitable for high-load rubbing contacts.
Applications
Where KXT B980-40 Is Used
Direct answer: This material is used for linear bearings, hydraulic seals, extrusion rings, piston rings, guide ways, bearings, bushings, wear pads, and slides — anywhere high mechanical load, high-speed rubbing, or electrical conductivity is required.
Linear Bearings
Used as linear bearing sleeves where low friction and high wear resistance are required.
Hydraulic Seals
Used in hydraulic systems requiring dimensional stability and low cold flow.
Extrusion Rings
Used as extrusion rings in high-pressure sealing systems.
Piston Rings
Used for piston rings in compressors and reciprocating equipment.
Guide Ways
Used for machine tool guide ways and sliding surfaces.
Bearings & Bushings
Used as bearings and bushings in pumps, valves, and other rotating equipment.
Wear Pads
Used as wear pads and sliders in heavy-load industrial equipment.
Slides
Used for slides in machinery requiring long maintenance intervals.
Related Products
More PTFE Rods from Kaxite
Direct answer: Kaxite supplies a complete range of PTFE rods, including molded, glass-filled, carbon fiber-filled, and bronze-filled grades.
FAQ
Frequently Asked Questions
- Q1What is KXT B980-40 made of?
- A: It is made of 40% bronze powder blended with virgin PTFE. Bronze is the most common metal filler for PTFE and gives the material its characteristic dark brown color.
- Q2What are the advantages of bronze-filled PTFE over glass-fiber-filled PTFE?
- A: Bronze filler has excellent wear, creep resistance, and higher thermal conductivity than glass fiber with PTFE. It also gives higher specific gravity and better deformation strength. The main limitation is poor chemical resistance in the presence of acids and alkali.
- Q3What is the temperature range?
- A: The KXT B980-40 operates from -200°C to +260°C.
- Q4What are the typical mechanical properties?
- A: Specific gravity 3.2–3.6 g/cm³ (ASTM D 4894), tensile strength 18–25 MPa (ASTM D 4894), elongation 180–250% (ASTM D 4894), and Shore D hardness 60–65 (BS EN 13000-2).
- Q5What is KXT B980-40 used for?
- A: It is used for linear bearings, hydraulic seals, extrusion rings, piston rings, guide ways, bearings, bushings, wear pads, and slides. It is also used in hydraulic systems where high mechanical loads and high speeds are involved.
- Q6Can it be machined into custom parts?
- A: Yes. The compound is easily machined into rods, rings, bushings, and custom PTFE parts. Send us your drawing or dimensions for a custom machining quotation.
Partner with Kaxite Sealing – your trusted China manufacturer and supplier of the KXT B980-40 40% Bronze-Filled PTFE Round Bar, Molded PTFE Rods, Glass-Filled PTFE Rod, Carbon Fiber-Filled PTFE Rod, and other PTFE products. Buy high quality products made in China at competitive price. With reliable quality, factory-direct supply, and fast delivery, Kaxite provides the sealing solutions demanded by chemical, petrochemical, power generation, and industrial applications worldwide.
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No. 432 Zhenhai Middle Road, Luotuo Street, Zhenhai District, Ningbo City, Zhejiang China
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