Indian
Suppliers

Virgo Polymers Pvt. Ltd.

  
 
 
 
 
 
 
 
 
 
 
 
Products We Sell Details

Poly Tetra Fluoro Ethylene (PTFE)

Poly Tetra Fluoro Ethylene (PTFE)
Poly Tetra Fluoro Ethylene (PTFE)
Product Description :

We Offer a wide range of Poly Tetra Fluoro Ethylene to our client require.

Properties:

Chemical Inertness, Low Coefficient of friction, Exhibits lowest value of static and dynamic friction, Non toxic, Non flammable, Negligible water absorption, Outstanding electrical properties over a wide frequency range, Resistance to radiation, Excellent Weathering resistance, Operating temperature range: -2700 C to 2600 C.

 

Properties and Application of Compounded PTFE:

 

Compounds

Properties

Example of Application

Carbon

Good Thermal Conductivity

Dynamic Application at high speed

Graphite

Good Resistance to wear improved Thermal Conductivity

Creeping bearings at high speed, contact with medium hardness

Glass

High Resistance to wear, Improved under load and permanent deformation

Bearings with high resistance to wear, valve seats

MOS2

Low Static Coefficient of friction

Creeping slides used at high stresses

Bronze

High Resistance to compression , High Thermal Conductivity

Support slides for heavy loards

Alimina

AL

Improve under load and permanent deformation, Good Dielectric Properties

Electrical Applications

 

Physical properties of unfilled/ Filled PTFE

 

Mechanical Properties Measured on Sintered Moulding

Unit of Measure

100% PTFE (Virgin)

Graphite 15%

Glass 25%

Carbon 25%

Bronze 60%

Special Gravity

Gm/cm2

2.15-2.19

2.18

2.25

2.10

3.80-3.90

Ultimate Tensile Strength

Kg/cm2

210-325

150-200

110-180

125-175

110-150

Elongation

%

300-400

200-300

220-290

110-140

150-180

Hardness

Shore “D”

57

63

65

68

70

Compressive  MD

Kg/cm2

4100

-

6000

9500

7600

Modulous 0.2% offset CD

-

-

-

5800

8200

8500

CO-Efficient of Friction

-

0.06

0.07

0.12

0.13

0.13

Thermal Properites

 

 

 

 

 

 

Crystalline Temp. Range

0C

320-340

320-340

320-340

320-340

320-340

Liner Co-Efficient of Thermal Expansion (X10-6/0C) Temp. Range-150 To + 250

 

MD

 

103-159

CD

 

96-176

MD

 

-

CD

 

-

MD

 

83 To 159

CD

 

61

To 102

MD

 

79 To 158

CD

 

57 To 107

MD

 

70 To 155

CD

 

66 To 152

Continuous Service Temp.

0C

-250 To +260

-250 To +260

-250 To +260

-2560 To +260

-250 To +260

Flamability

-

Non Flamable

Non Flamable

Non Flamable

Non Flamable

Non Flamable

Resistance To Weather

-

Excellent

Excellent

Excellent

Excellent

Excellent