Polyken 955-20 is a multilayer system used for the protection of steel pipelines. Polyken 1019,1027,1033A or 1039 Liquid Adhesives can be used as primers for this system.
PRODUCT DESCRIPTION :
The Anti-corrosian layer Polyken #955-20 engineered to assure a high bond to the primed surface with excellent conformability characteristics. mechanical protection layer Polyken #955, achieves a complete bond layer, providing maximum handling and servise protection for the coating system. The adhesives in these and all Polyken tape system contain proven anti-microbial additives.
Features / Benefits
- Worldwide reference lists
Proven long-term in-ground performance- Impermeable to oxygen and moisture
- Resistant to soil stress
Superior in-ground performance- Uniform coating thickness
Plant coating quality with in-situ application- Low cathodic protection-current requirements
Saving cost over the life of the pipeline- Compatible with all pipe diameters and generic plat coating systems
Minimize inventory, thus saving moneySelection Guide
- Max operating temperature : 85 c (185 f) for pipe diameters up to 36”or DN 900
- Recommended primer : 1019,1027,1033A or 1039
- Recommended pipe preparation : SSPC-SP6/NACE3 or SA 2 1/2
- Additional weld stripping : 933-25
- Repair material : 934-35 or PERP
- Performance : AWW C214
| Outer Layer (Black or White) | |||
| 955-15 | 955-20 | 955-25 | 955-30 |
| 10 mils (90.254 mm) | 15 mils ( 0.381 mm ) | 20 mils ( 0.508 mm ) | 25 mils ( 0.635 mm ) |
| 5 mils ( 0.127 mm ) | 5 mils ( 0.127 mm ) | 5 mils ( 0.127 mm ) | 5 mils ( 0.127 mm ) |
| Product Properties | Test method | Typical Value |
| ( 955-25 ) | ||
| Tensile Strength | ASTM D1000 | 40 ibs/In ( 70 N/cm ) |
| Elongation | ASTM D1000 | 400 % |
| System Properties 50mil system : 980-25+955-25 | ||
| Peel Adhesion to Primed Steel | ASTM D1000 | 3000 oz/In ( 33 N/cm ) |
| Cathodic Disbonment | ASTM G8 | 0.25 in radius ( 6.4 mm ) |
| Water Vapor Transmission Rate | ASTM F1249 | 0.03g/1000in2/24 hr( 0.5g/m2) |
| ( 1000 F,100%RH) | ||
| Volume Resistivity | ASTM E257 | 2.5 x 1015 ohm*cm |
| Dielectric Breakdown | ASTM D1000 | 650 volts/mil ( 25.6 kv/mm) |
| Dielectric Strength | ASTM D149 | 20-23 kv |
| Impact resistance | ASTM G-14 | 50 in-ibs ( 5.5 Nm ) |
| Impact resistance | ASTM G-13 | 1000 Ibs,no holydays ( 4450 N,no holidays ) |
| Penetration resistance | ASTM G-17 | <15% |
| Example : 955-25 BKL 9×800 | |
| 980 Product type | Standard Ordering options |
| 25 Total tape thickness in mils | 20 mils (0.51 mm), 25 mils (0.635 mm), 30 mils (0.762 mm) |
| BLK Tape backing color | Black ( BLK) |
| 9 Tape width in inches | 4” (101 mm), 6”(152 mm), 9”(228 mm), 12” (305 mm), 18” (457 mm ) |
| 800 Tape roll length in feet | 100 ft (30M), 200 ft (61 M), 400 ft (122 M) 600 ft (183 M), 800 ft (244 M) |