What is the ptfe yarn?

Pure PTFE yarn including PTFE yarn with lubricant and PTFE yarn without oil. Tenglong PTFE yarn is made of expanded PTFE resin and high temperature-resistant lubricants through expand treatment, high tensile strength, low creep and good self-lubrication. The product is a idal used for braiding of  pure PTFE packing.

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Features:

Excellent sealing properties,

Low friction coefficient,

Low contact temperature,

Rapid heat lead-off from the contact surface.

Property:

Description

PTFE (Polytetrafluoroethylene)

English

Metirc

Tensile strength

1,500-3,000psi

103-206bar

Flexural modulus

72,000psi

4964bar

Izod Impact

Notched

3.5ft-lbs/in

7KJ/m2

Heat Deflection Temperature

at 66 psi

250

120

Continuous Temperature

Maximum

500

260

Water Absorption

Immersion 24 Hours

<0.01%

Coefficient of Linear Thermal Expansion

8.9in/in/ºFx10-5

Coefficient of Friction

Dynamic

0.1

Specification:

Property

Item

Type

Without Oil

With lubricant

Yarn Count

1700-3500tex

PTFE Content

94-99%

Oil Content

-

18 - 24%

Breaking force

≥ 60N

Elongation

> 75%

Operating Temperature

-210~260

Shrinkage

<2%

Chemical Resistance

Excellent

Flammability

Non-flammable

Our Tenglong Company Products are of good quality and stable performance. Our company's website are www.sealings.cn and www.tenglongsealings.com, the Email is sales@sealings.cn. Welcome new and old customers to buy.