Strong adhesion;long stability;excellent resistance to hot and cold temprature;wide applications;easy to process;
PR298
Lushan ® PR298 is a chemical modification of polypropylene copolymer adhesive.It is designed for use in 3-layer pipe coating systems in conjunction with polypropylene top-coat.Together with PJ-1(white compounded top coat) and commercially available epoxy primer, PR298 shows highly adjusted pipe coating system available for all pipe coating specification including
DIN 30678, DEP31.40.30.31,ISO/CD 21809-1.
Item | Test Standard | Unit | Typical Value | |
Melt Index | ASTM D1238 | g/10min | 1.8 | |
Density | ASTM D792 | g/cm3 | 0.898 | |
Elongation at Break | ASTM D638 | % | 500 | |
Melting Point | ASTM D2117 | °C | 165 | |
Vicat Softening Point | ASTM D1525 | °C | 142 | |
Brittleness Temperature | ASTM D746 | °C | ≤-30 | |
Peeling Strength | SY/T0413-2002 | N/cm | 20 + 5 °C | ≥200 |
50 + 5 °C | ≥150 | |||
90 + 5°C | ≥100 | |||
These are typical properties and not intended as specification.
Processing Temperature
Item | Preheating Zone | Middle Zone | Transition Zone | Mould Head | Melting Temperature |
Processing Temperature°C | 180~230 | 230~245 | 230~245 | 230~245 | 230~245 |
The actual processing temperature depends on the type of equipment and pipe size , the above conditions can be used as reference.
Famous external projects we served:
Project Name | Diameter (mm) | Length (km) | Date |
India Reliance Natural gas pipeline Project | φ1219 | 1200.00 | 2006 |
Sino-Russia Oil Transportation Project | φ325 | 30.00 | 2006.12 |
Colombia Pipeline Project | φ355.6 | 18.00 | 2006.10 |
Brazil Gas Pipeline Project | φ114.3 | 14.70 | 2006.7 |
Singapore Pipeline Project | φ406.4 | 2.258 | 2006.6 |
Brazil Gas Pipeline Project | φ323.9 | 122.64 | 2005.7 |
φ168.3 | 3.576 | ||
Malaysia Pipeline Project | φ406.4 | 101.00 | 2006.6 |
Sino-Kazakhstan crude oil pipeline | φ813 | 560.00 | 2004-2005 |
Romania Gas Pipeline Project | φ430-630 | 130.00 | 2002 |
Iraq Oil Transportation Project | φ168-406 | 400.00 | 2002 |
Iraq Oil Transportation Project | φ325-711 | 134.00 | 2000.5-8 |
United Arab Emirates Oil Transportation Project | φ168-610 | 50.00 |
