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FEP & PFA shrink tubes  
FEP and PFA shrink tubes are made from extruded and then expanded tubes. After heating it, the tube shrinks back until it has reached it's original extrusion-size. This makes the tubes excellently suited to coat rolls and rollers.
Pro's Roller with schrink tube
  • No adherence of material to rolls and rollers.
  • Resistand against all cleaning and solvents.
  • Up to 850mm seamlessly extruded shrink tubes don't leave marings on the product when using paperguidingrollers and extrusion-laminatorrolls.
  • heatresistand up to 200°C.
  • FEP or PFA shrink tube coated syntheticrolls and rubberrollers have a significant increase in durability.
  • The enormous flexibilitie at high temperatures makes coating broad-stretch rollers possible.
  • The low friction resistance and the high surface density prevent friction damage and trouble with plukeffects.
FEP and PFA are practicly resistand against all chemicals. Exceptions are liquid alkalimetals and fluorine, when these are being used at high temperatures. We also advise against the use of complex halluciogenic compounds like chloretriflouride at high temperatures and pressure.
Dimensions  
  • FEP and PFA shrink tubes are available as seamlessly extruded tubes in diameters varying between Ø 22 mm and Ø 850mm.
  • The welded shrink tubes are available in diameters varying between Ø 850mm and Ø 5.000mm.
  • From Ø 22mm up there are tubes available in lenghts up to a maximum of 10m.
FEP shrink tube shrinkrange  

Nom. Ø in inches

min. Ø in mm

max. Ø in mm
1.00"
22 mm
26 mm
1.25"
26 mm
32 mm
1.50"
32 mm
43 mm
2.00"
43 mm
53 mm
2.50"
53 mm
67 mm
3.00"
67 mm
74 mm
3.50"
74 mm
92 mm
4.00"
92 mm
108 mm
5.00"
108 mm
130 mm
6.00"
130 mm
150 mm
7.00"
150 mm
179 mm
8.00"
179 mm
203 mm
9.00"
203 mm
241 mm
10.50"
241 mm
266 mm
12.00"
266 mm
302 mm
13.00"
302 mm
343 mm
14.00"
343 mm
416 mm
16.50"
416 mm
466 mm
20.00"
466 mm
539 mm
22.00"
539 mm
591 mm
23.50"
592 mm
662 mm
28.00"
662 mm
807 mm
PFA shrink tube shrinkrange  

Nom. Ø in inches

min. Ø in mm

max. Ø in mm

3.00"

71 mm

80 mm

3.50"

80 mm

90 mm

4.00"

90 mm

103 mm

4.50"

103 mm

121 mm

5.00"

121 mm

143 mm

6.00"

144 mm

165 mm

7.00"

165 mm

190 mm

8.00"

191 mm

222 mm

9.00"

222 mm

249 mm

10.50"

249 mm

282 mm

12.00"

282 mm

318 mm

13.00"

318 mm

356 mm
FEP & PFA shrink tubes are being applied in  
  • Dryingcylinders
  • Off-set paintrubrolls
  • Broad-stretch rolls
  • Fixatorrolls for copying machines
  • Guide-rolls for foto-developmentequipment
  • Guide-rolls for conveyorbelts
  • Guide-rolls for dough kneading machines
  • For the protection of UV-lights at very high UV-transmissionvalues
  • Guide-rolls in fabricEnrichmentmachines
  • Lacrolls
  • Gluerolls
  • The coating of mixingshaft
  • Guide-rolls for paper
  • Highgrade electrical-isolation
  • Exterior coating of chemical measuring equipment
  • Extrusion-laminator rollers
Technical specifications of regular FEP & PFA schrink tubes:

Properties

FEP

PFA
Meltingpoint

260° C

304° C
Continious taxability

160° C

200° C
"Flexlife" (Cycle) at 23°C

30.000

30.000
"Flexlife" (Cycle) at 93°C

80.000

1.500.000
"Flexlife" (Cycle) at 166°C

50.000

5.000.000
Dieëlectric constant

2.1

2.1
Volumeresistance

1x1016 ohm/m

1x1016 ohm/m
Dissipationfactor (25°C, 1000 HZ)

0,0003 max

-
Dielectric strength

55KV/mm

-
Surface-finishing

3 micron

3 micron
Friction-coëfficient

0,04

0,04
Installation

 
FEP and PFA shrinktubes up to Ø100mm can easily be placed by you.
We advise you to let the bigger rollers be coated by us. If wanted, we will also take care of the installation in your company.
Hardick bv
Thermen 5
7521 PS Enschede
The Netherlands
tel. 0031 53 435 32 35
fax 0031 53 433 61 37
info@hardick.nl 		ISO 9001:2000
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