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What is the difference between heat shrink sleeves (HSS) and other joint coatings? (2/2)

 

4. Peel Strength to pipe surface and main coating (@23°C & 10mm/min)

Heat Ageing: 70 & 100 days

(Tmax+20°C)

EN12068

A100/At>0,75 & A100/A70>0,8

ISO21809-3 (3LPE&3LPP)

A100/A0>0,75

28 days Hot on MAX Water Immersion Permeation of Moisture & Oxygen

EN12068

No Test

 

ISO21809-3 (3LPE & 3LPP)

   Pipe      Coating

3LPE:  1,5N/mm   1,5N/mm

3LPP:  2,0N/mm   2,0N/mm

What is the difference between heat shrink sleeves HSS and other joint coatings? 2/2 

5. Peel Strength Layer to Layer
(@23°C & 100mm/min – inner/inner – inner/outer)

EN12068

Class A:   0,8N/mm

Class B:   0,8N/mm

Class C:   1,0N/mm   (if CD: 10mm)

Class C:    1,5N/mm   (if CD: 15mm)

Class C:   1,5N/mm   (if CD: 20mm)

 

ISO21809-3 (Polymeric Tapes)

   50°C      80°C

           1,5N/mm   1,5N/mm

70 & 100 days in oven

(Tmax+20°C)

EN12068

  P100/Pt>0,75

  P100/P70>0,8

 

ISO21809-3

  50°C                     80°C

        P100/P0>0,75        P100/P0>0,75

     P100/P70>0,8         P100/P70>0,8

5. Lap shear Strength

What is the difference between heat shrink sleeves HSS and other joint coatings? 2/2

EN12068  @23°C & @TmaxC

Class A:   0,05N/mm²

Class B:   0,05N/mm²  

Class C:   0,05N/mm²     (if CD: 10mm)

Class C:    0,05N/mm²    (if CD: 15mm)

Class C:   0,05N/mm²     (if CD: 20mm)

ISO21809-3 (3LPE&3LPP)

     @23°C     @TmaxC

3LPE:  1,0N/mm²        0,07N/mm²

3LPP:  2,0N/mm²        0,5N/mm²

What is the difference between heat shrink sleeves HSS and other joint coatings? 2/2

7. UV Resistance

Continuous irradiation

of a xenon lamp:

-Temperature: 65°C
-Relative humidity: 65%
-18min Spray-102min dry
-Radiant energy: 5GJ/m²
-Tests within 8 hours

Contents

•Different Standards General
•Standards for Main Line coating
•Standards for Field Joint coating
•Test methods & requirements (HSS)
•Berry Plastics Approval’s HTLP80C

Liquid Epoxy

- Sand blasting

-Pre heating
-Application Epoxy
-Application Heat Shrinkable Sleeve on Liquid Epoxy
-Shrink

Epoxy Thickness

- Surface preparation SA2 ½

- Profile 50 – 100 microns

- Epoxy Thickness: 80 – 110 microns

Thicknesses

-  Epoxy Thickness: >0,1mm

What is the difference between heat shrink sleeves HSS and other joint coatings? 2/2

What is the difference between heat shrink sleeves HSS and other joint coatings? 2/2

-  Adhesive Thickness (hotmelt): 1,5mm

-  Backing Thickness (as supplied): 1 – 1,04mm

-Backing Thickness (as installed): >1,25mm
-
-Total Thickness (as installed): >2,85mm

Density of Polyethylene

-Specific Gravity: 0,97 – 0,95 gr/cm³
-Hardness Shore D: 57 – 54

High Density Polyethylene

What is the difference between heat shrink sleeves HSS and other joint coatings? 2/2

<<What is the difference between heat shrink sleeves (HSS) and other joint coatings? (1/2)

 

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