www.francejoint.com

|

|

TABLE MATERIALS

Other grades of materials are available depending on your specificities.

Profiled seal

V-spring

Mating surface

material

Standard

code

ISO

code

Material

Colour

Characteristics

Code Type of material

Service

temperature

DP

P

Virgin PTFE

White

Resistance to chemical products

Impermeability

Dielectric

Non-stick

Low friction coefficient

Food industry

I

X10 Cr Ni 18-8

-200°C/+260°C

Steel

Stainless steel

Chrome steel

Aluminium

Bronze

Cast iron

Treated surface

DC

C

PTFE + 25%

Carbon

Grey

Improvements

• Wear properties

• Compression set

Good resistance to chemical products

Thermal and electrical conductivity

Anti-static

High-performing in compression-based

dynamic applications

I

X10 Cr Ni 18-8

-200°C/+260°C

CG

C

PTFE + 23%

Carbon + 2%

Graphite

Black

I

X10 Cr Ni 18-8

-200°C/+260°C

DV

V

PTFE + 25 %

Glass

Blue

Improvements

• Wear properties

• Mechanical strength

Slightly more abrasive, however, this is

corrected by adding MOS2

Maintains its chemical and dielectric

properties

Well-suited to applications with rotational

and simultaneous alternating movements

I

X10 Cr Ni 18-8

-200°C/+260°C

Steel

Chrome steel

Cast iron

VM

M

PTFE + 15 %

Glass + 5%

MOS2

Grey

I

X10 Cr Ni 18-8

-200°C/+260°C

DX

X

PTFE GL Blue

+ Glass +

Metal oxides

Turquoise

blue

Resistance to compression

Resistance to wear

Excellent chemical stability

Good thermal conductivity

I

X10 Cr Ni 18-8

-200°C/+260°C

DG

G

PTFE + 15%

Graphite

Black

Improvements

• Wear properties

Reduced wear on metal parts

Self-lubricating

Thermal and electrical conductivity

Low permeability

Good friction coefficient

Anti-static

High performing in dynamic self-lubricating

applications

I

X10 Cr Ni 18-8

-200°C/+260°C

Steel

Stainless steel

Chrome steel

Aluminium

Bronze

Cast iron

Treated surface

K1

K

PTFE + 10%

Ekonol

Light

brown

Improvements

• Better abrasion resistance

• Better dimensional stability at high

temperatures

Use up to +300°C

Good friction coefficient and low

permeability

I

X10 Cr Ni 18-8

-200°C/+260°C

K2

K

PTFE + 20%

Ekonol

Light

brown

I

X10 Cr Ni 18-8

-200°C/+260°C

DB

B

PTFE + 60%

Bronze

Dark

brown

Improvements

• Wear properties

• Warping resistance and creep strength

• Compression resistance

Self-lubricating

Electrical and thermal conductivity

Does not alter the metal parts

Reduced hold with certain chemical

products

Used for high-compression dynamic seals

and has a low level of wear

I

X10 Cr Ni 18-8

-200°C/+260°C

Steel

Chrome steel

Cast iron

B4

B

PTFE + 40%

Bronze

Dark

brown

I

X10 Cr Ni 18-8

-200°C/+260°C

HG

HG

PE-UHMW

White or

off-white

Excellent wear resistance on contact with

water and air

I

X10 Cr Ni 18-8

-70°C/+80°C

Steel

Stainless steel

Chrome steel

Aluminium

Bronze

Cast iron

Treated surface

HYDRAULIC SEALS | ROD SEALS |

BECA 340 - 349