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110 polypropylene heat shrinkable sleeves are mainly used in providing corrosion protection to pipelines with operation up to 110℃. Once installed, the shrink sleeve effectively bonds and protects steel substrate and common mainline pipe with a coating such as FBE, PE, or PP.
110 polypropylene heat shrinkable sleeves can be used as either a 2-layer or 3-layer sleeve system. It depends on whether liquid epoxy primer is needed or not. For added flexibility, the sleeve can be supplied as bulk rolls or pre-cut to the required pipe size.
PP shrink sleeving is tough & lasts as long as a 3-layer, mill-applied coating.
Allows fast application, combined with high performance!
Offers the optimum barrier protection against corrosion.
Compatible with PE, PP, FBE, and Coal Tar coatings.
Item | Test temperature | Unit | Result | Test method |
PP backing | ||||
Tensile strength | 23℃ | MPa | ≥30 | ASTM D638 |
Elongation | 23℃ | % | ≥550 | ASTM D638 |
Hardness | 23℃ | Shore D | ≥61 | ASTM D2240 |
Water absorption,24h | 23℃ | % | ≤0.1 | ASTM D570 |
Volume resistance | —— | Ω.cm | ≥2*10^16 | ASTM D257 |
Low temperature brittleness | —40℃ | pass | ASTM D746 | |
Dielectric strength | —— | KV/mm | ≥25 | ASTM D-149 |
Adhesive | ||||
Melt point | —— | ℃ | 154 | ASTM D3418 |
Lap shear strength | 23℃ | MPa | 5.5 | ISO21809-3 |
110℃ | MPa | 0.35 | ISO21809-3 | |
Low temperature brittleness | -40℃ | —— | pass | ASTM D746 |
Ring-and-ball softening point | —— | ℃ | ≥150℃ | GB/T 4507 |
Installed sleeve | |||||
Highest design temperature | —— | ℃ | 100 | —— | |
Thickness | —— | mm | backing≥1.0 adhesive≥1.5 | ISO21809-3 Appendix A | |
Cathodic disbandment, 28d | 23℃ | mm | 7.0 | ISO21809-3 | |
95℃ | mm | 15.0 | |||
Peeling strength （10mm/min） | To steel with primer | 23℃ | N/mm | 9.8 | ISO21809-3 Appendix D |
110℃ | 2.4 | ||||
To coating layer | 23℃ | 6.4 | |||
110℃ | 1.4 | ||||
28d,Tmax , peeling | To steel with primer | 23℃ | N/mm | 8.5 | ISO21809-3 Appendix I |
To coating layer | 5.5 | ||||
Catalogue No. | Specification | Catalogue No. | Specification |
#1 | FRDP-PPΦ168×500—1.2/1.0 | #7 | FRDP-PPΦ508×500—1.5/1.0 |
#2 | FRDP-PPΦ219×500—1.2/1.0 | #8 | FRDP-PPΦ529×500—1.5/1.0 |
#3 | FRDP-PPΦ273×500—1.2/1.0 | #9 | FRDP-PPΦ610×500—1.5/1.0 |
#4 | FRDP-PPΦ325×500—1.2/1.0 | #10 | FRDP-PPΦ711×500—1.5/1.0 |
#5 | FRDP-PPΦ355×500—1.2/1.0 | #11 | FRDP-PPΦ813×500—1.5/1.0 |
#6 | FRDP-PPΦ426×500—1.5/1.0 | #12 | FRDP-PPΦ1220×500—1.5/1.0 |
Note: 1) Closure patch length and thickness are equal to sleeve axial length and thickness, respectively.
Enclosure patch width: 120 mm for sleeves Φ168 ～Φ426 while 150 mm for sleeves > Φ426.
2) Custom-made is available to meet any customer special demand.
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