Anti-Corrosion Heat Shrinkable Sleeves For Pipelines
Insutek HPRS series of Heat Shrinkable Sleeve (3 LPE), is composed from radiation cross-linked polyethylene substrate and special hot-melt sealant compound, which is widely used in offshore and onshore girth weld Protection, buried and exposed steel pipelines.
Construction: Three-layer system
- Liquid epoxy primer
- High shear strength hot-melt polymer adhesive
- Radiation cross-linked polyethylene sheath with permanent change indicator.
Features:
- Excellent cathodic disbondment, water vapor permeability, chemical resistance and aging resistance
- Excellent adhesion performance, adhesion with the surface of steel pipeline
- Strong resistance to mechanical damage, bacteria, mold and chemical corrosion.
- Strong environmental adaptability
Insutek HPRS series of Heat Shrinkable Sleeve (3 LPE), is composed from radiation cross-linked polyethylene substrate and special hot-melt sealant compound, which is widely used in offshore and onshore girth weld Protection, buried and exposed steel pipelines.
|
Max. operating temperature |
80℃ |
|
Min. preheat temperature |
60℃ |
|
Compatible line coatings |
PE PP FBE CTE |
|
Recommended pipe preparation |
St3 or Sa2.5 |
|
Soil stress restrictions |
Good |
|
Property |
Unit |
HPRS-60 |
HPRS-80 |
Test Method |
|
Temperature |
℃ |
60 |
80 |
ASTM D638 |
|
Tensile Strength |
Mpa |
20 |
24.6 |
ASTM D638 |
|
Elongation at break |
% |
550% |
600 |
ASTM D638 |
|
Shrink Force |
PSI |
35 |
35 |
ASTM D638, 150℃ |
|
Dielectric Strength |
KV/mm |
25 |
25 |
ASTM D149 |
|
Water Absorption |
% |
≤0.05 |
≤0.05 |
ASTM D570 |
|
Volume Resistivity |
Ω-cm |
10^17 |
10^17 |
ASTM D570 |
|
Hardness |
/ |
55 |
55 |
ASTM D2240 |
|
Soften Point |
ASTM E28 |
＞120℃ |
|
Low Temp Flexibility |
ASTM D2671 |
＜-45℃ |
|
Lap Shear Strength @10mm/min |
ISO21803-9 Annex J |
≥0.10 N/mm2@23℃ ≥0.01 N/mm2@80℃ |
|
Property |
Test temp. |
Unit |
Requirement |
Test result |
Test method |
|
Thickness |
— |
mm |
≥ 0.85 × nominal value |
0.88 × nominal value |
Annex AISO21809-3 |
|
Holiday detection at 5 kV/mm + 5 kV |
— |
— |
no holiday |
no holiday |
Annex BISO21809-3 |
|
Impact resistance (holiday detection at 5 kV/mm 5 kV after recovery) |
20℃ |
J/mm |
≥ 5 |
6.8 |
Annex GISO21809-3 |
|
Indentation resistance (holiday detection at 5 kV/mm 5 kV after recovery)Residual thickness |
50℃ |
N/m㎡ |
1 |
1 |
Annex HISO21809-3 |
|
— |
mm |
≥ 0.6 |
1.26 |
||
|
Cathodic disbondment at 30 days |
23℃ |
mm |
≤ 10.0 |
6.5 |
Annex FISO21809-3 |
|
50℃ |
mm |
≤15 |
10 |
||
|
Peel strength at 10 mm/min to pipe surface primed with epoxy and to plant coating |
23℃ |
N/mm |
≥ 2.50 |
8.5 |
Annex DISO21809-3 |
|
50℃ |
N/mm |
≥ 0.20 |
0.46 |
||
|
Peel strength at 10 mm/minto pipe surface and to plant coating |
23℃ |
N/mm |
≥ 0.4 |
8.2 |
Annex DISO21809-3 |
|
Peel strength at 10 mm/minto pipe surface after 28-dayhot-water immersion test at Tmax limited as per Annex I |
23℃ |
N/mm |
≥ 0.2 |
7 |
Annex IISO21809-3 |
|
Peel strength at 10 mm/min to plant coating after 28-dayhot-water immersion test at Tmax limited as per Annex I |
23℃ |
N/mm |
≥ 0.4 |
7.5 |
Annex IISO21809-3 |
|
Lap shear strength at 10 mm/min |
23℃ |
N/m㎡ |
≥ 0.05 |
3.8 |
Annex LISO21809-3 |
|
50℃ |
N/m㎡ |
≥ 0.07 |
0.39 |
||
|
Thermal ageing resistance (aged at Tmax + 20 °C)– Elongation at break (E100/E0)– Peel strength to pipe surface (P100/P100) |
23℃ |
E100/E0 |
≥ 0.75 |
0.89 |
Annex NISO21809-3 |
|
23℃ |
P100/P70 |
≥ 0.80 |
0.92 |
||
|
23℃ |
A100/A70 |
≥ 0.80 |
0.88 |
|
No. |
Specs |
Pipe Dia(mm) |
Pipe OD(mm) |
Sleeve Width(mm) |
Sleeve wall thickness(mm) |
Adhesive Thicknes(mm) |
|
1 |
HPRS-108X500 |
95 |
108 |
500 |
1.2 |
1.0 |
|
2 |
HPRS-114X500 |
100 |
114 |
500 |
1.2 |
1.0 |
|
3 |
HPRS-141X500 |
125 |
141 |
500 |
1.2 |
1.0 |
|
4 |
HPRS-159X500 |
140 |
159 |
500 |
1.2 |
1.0 |
|
5 |
HPRS-168X500 |
150 |
168 |
500 |
1.2 |
1.0 |
|
6 |
HPRS-219X500 |
200 |
219 |
500 |
1.2 |
1.0 |
|
7 |
HPRS-273X500 |
250 |
273 |
500 |
1.2 |
1.0 |
|
8 |
HPRS-325X500 |
300 |
325 |
500 |
1.2 |
1.0 |
|
9 |
HPRS-406X500 |
400 |
406 |
500 |
1.2 |
1.0 |
|
10 |
HPRS-426X500 |
420 |
426 |
500 |
1.2 |
1.0 |
|
11 |
HPRS-457X500 |
450 |
457 |
500 |
1.2 |
1.0 |
|
12 |
HPRS-508X500 |
500 |
508 |
500 |
1.5 |
1.0 |
|
13 |
HPRS-529X500 |
520 |
529 |
500 |
1.5 |
1.2 |
|
14 |
HPRS-610X500 |
600 |
610 |
500 |
1.5 |
1.2 |
|
15 |
HPRS-630X500 |
620 |
630 |
500 |
1.5 |
1.2 |
|
16 |
HPRS-711X500 |
700 |
711 |
500 |
1.5 |
1.2 |
|
17 |
HPRS-813X500 |
800 |
813 |
500 |
1.5 |
1.2 |
|
18 |
HPRS-914X500 |
900 |
914 |
500 |
1.5 |
1.2 |
|
19 |
HPRS-1016X500 |
1000 |
1016 |
500 |
1.5 |
1.2 |
|
20 |
HPRS-1219X500 |
1200 |
1219 |
500 |
1.5 |
1.2 |
Sleeve length:
Length of PE shrink sleeves, The length should be calculated as the following formula: L=π×D×1.07+120mm (when pipe OD ≤42inch) L=π×D×1.07( when pipe OD ＞42inch)
Sleeve width:
We can also provide 450mm, 480mm, 500mm, 520mm and 550mm supplied PE shrink sleeves width upon request.
Primer thickness:
There are two kinds of primer application way, wet film and dry film. We can provide 120um, 150um, 200um, 300um and 400um primer thickness.
