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    KESTLUB®, PA6G +Lubricant

 

 
 
General
Technical Properties
Applications
Technical Values
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TRADEMARK
KESTLUB®
 
DOCUMENTS
KESTAMID Catalog
KESTAMID Technical Values
DESCRIPTION
Kestlub® is a special type of cast polyamide ideal for bearings. It is produced by adding lubricants to cast polyamide through special processes. It performs extremely well in bearing applications as it is self-lubricated.

Lubricants are homogenously dispersed making them inseperable out of the material. Lubricant additivess do not leak out even in toughest operating conditions. Machining does not alter this qualilty. Lubrication keeps the coefficient of friction very low during operation and thus prevents heating up, extending component operation life.

Kestlub® should be preferred in applications where dimensional stability and weatherability of Kestamid® are questionable. As lubricant additives fill up pores, humidity and water absorption are reduced; sustaining dimensional stability. In high pressures and bearing applications, solid lubricant does not leak out, making Kestlub® the best choice.

 
STANDARD COLOR
     
 
PRODUCTS
MOULDED RODS
Outer Diameter Ø15-Ø700mm, Length 500-1000mm
MOULDED TUBES
Outer Diameter Ø70-Ø625mm, Inner Diameter Ø40-Ø300mm, Length 500-1000mm
SHEETS
Thickness 10-130mm, WXL 500X500 - 500X1000 - 600X600 - 600X1200 - 1000X1000 - 1000X2000 - 1200X1850mm - 1220x2000mm
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TRADEMARK
KESTLUB®
 
DOCUMENTS
KESTAMID Catalog
KESTAMID Technical Values
  • High load bearing
  • High impact and wear resistance
  • Low coefficient of friction
     
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TRADEMARK
KESTLUB®
 
DOCUMENTS
KESTAMID Catalog
KESTAMID Technical Values
  • Ideal material for boat shafts and bearings

KESTAMID® TECHNICAL VALUES

   Test Method ISO Unit KESTAMID® KESTOIL® KESTLUB® KESTAMID HS® KESTAMID  GRF®
General Properties

Color

 

 

Yellow

Green

Red

Blue

Dark Grey

Density

1183

gr/cm3

1.15

1.14

1.15

1.15

1.15

Water Absorption (Saturation in water of 23°C)

62

%

7

5

5

6

5

Mechanical Properties

Tensile Strength at Break

527

Kg/cm2

850

750

800

800

750

Tensile Modulus of Elasticity

527

MPa

4000

4000

4000

4000

4100

Elongation at Break

527

%

>20

>30

>20

>20

>20

Compression Stress

604

Kg/cm2

950

950

950

950

1050

Compression Modulus

604

MPa

2700

2500

2600

2700

3000

Impact Strength  (Charpy, unnotched)

179

Kj/m2

No break

No break

No break

No break

No break

Impact Strength (Izod, notched)

180

Kj/m2

5.6

6

6

5.6

5

Coefficient of Friction, Dynamic

 

 

0.39

0.15

0.08

0.39

0.15

Hardness

868

Shore D

84

83

84

84

85

Wear resistance

 

mg/km

0.44

0.11

0.02

0.44

0.20

K Factor

 

mm3/Nm

5.0x10-6

1.2x10-6

0.25x10-6

5.0x10-6

1.2x10-6

Thermal Properties

Melting Temperature

 

°C

220

220

220

220

220

Maximum Allowable Service Temperature in Air - Continuous

 

°C

110

110

110

125

115

Maximum Allowable Service Temperature in Air - Short term

 

°C

170

170

170

185

175

Coefficient of Linear Thermal Expansion

11359

°C-1

8x10-5

8x10-5

8x10-5

8x10-5

8x10-5

Electrical Properties

Dielectric Coefficient

60250

 

3.7

3.7

3.7

3.7

 

Electric Strength

60243

kV/mm

25

25

25

25

 

Volume Resistivity

60093

W.cm

>1014

>1014

>1014

>1014

 

Surface Resistivity

60093

W

>1013

>1013

>1013

>1013

 

All Rights Reserved.  Efalon®, Kestamid®, Ulpolen® are trademarks of Polikim A.S. Teflon® is a trademark of DuPont.