NANOSILICATES AND POLYMER COMPOUNDS BASED ON THEM

Fully-Domestic Nanocomposite Material Domestic Innovations Forming the Basis of Metalen PE-21 Single-Layer Coating Fully-Domestic Nanocomposite Material polyethylene with active functional groups unique material for the needs of pipeline corrosion protection active nano-sized fillers Excelling the existing equivalents in: Processability of pipe coating Energy efficiency Performance properties Full conformance to the existing factory application layouts

Application Advantages Polyethylene layer Chromate Adhesive Existing three-layer coating layout: 4 components Chromating needed About 4000 μm total thickness Steel pipe Epoxy primer PE-21 layer Innovative Metalen-21 single-layer coating layout: Only 2 components No chromating About 3000 μm total thickness

Application Advantages Application results of Metalen PE-21 single-layer coating by large metallurgical plants in Russia: IPM CJSC, VSW OJSC, VPP OJSC, ChelPipe OJSC Reduced coating thickness Simpler process Free adhesion-layer extruder Simpler logistic and storehouse operations Reduced incoming inspection by QCD No coating defects on pipe end sections

Storage and Handling Advantages Test Metalen PE-21 Test Conditions Charpy notched impact strength (kJ/m2) 53,2 23 °С, 2 J (edge, notch type А) Shore D hardness 61 GOST R 51164 Vicat softening point under load (°С) 123 4 mm press plate, ISO 306 120 °С/h, 10 N Penetration at 80 °С (mm) 0,17

Pipe Coating Temperature Type of the Tested Pair of Materials Routing Advantages Pipe Coating Temperature Type of the Tested Pair of Materials Metalen PE-21» + TIAL MGP 95 °C 171 N/cm 105 °C 186 N/cm Adhesion strength between coating and coupling increased by 30 % No additional pipe coupling face cleaning Reduced epoxy primer consumption Increased weld durability under coupling

Metalen PE-21 Specifications Parameter Value Unit Test Method Compound density 0,949-0,960 g/cm3 GOST 15139 Melt flow rate (190°/2,16 kg) 0,45±0,05 g/10 min ISO 1133 Oxidation induction time at 200 °C >90 min ISO 11357-6 Elongation (20±5 °C) 800±100 % ASTMD638 (50 mm/min) Tensile strength (20±5 °C) 25±1 MPa Carbon black content ≥2 ASTM D 1603 Vicate softening temperature 123±2 °C ISO 306 А-50 Brittleness temperature <-70 ASTM D 746 Cracking resistance (10 % Igepal solution), F20 >5000 hour ASTM D 1693-А Penetration at 80±2 °C 0,17±0,02 mm GOST R 51164

Metalen PE-21 Advantages For pipe mills: Higher coating speed, higher output Facilitated use, reduced accompanying operations For transport companies: High resistance to mechanical effects Reduced coating defects during handling For storage companies: Wider storage temperature range Reduced coating defects at prolonged storage For construction companies: Simpler weld insulation process Reduced process operations for sleeve application Durable weld under heat-shrink coupling