Element A-01 is a composite material for factory application of an adhesive layer when insulating steel pipes with improved physical and mechanical properties, increased resistance to cracking and impact, produced according to TU 20.16.10–003-88028259-2024
Element A-01 is designed to apply an adhesive layer in the system of anti-corrosion coating of steel pipes by extrusion. Element A-01 is characterized by resistance to thermal-oxidative aging during processing and operation.
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Name of the indicator |
Units of measurement | Standard | Test results | Test method | |
| 1 | Density | g/cm3 | 0.90 – 0.93 | 0.915 | GOST 15139 |
| 2 | Melt flow index | g/10 min, at 190°C and a load of 2.16 kg, no more than | 2-6 | 3.10 | GOST 11645 |
| 3 | Melt flow index spread | %, no more than | 10 | 8 | GOST 16337 |
| 4 | Softening temperature | ̊С, not less | 95 | 98 | GOST 15088 |
| 5 | Tensile strength | MPa, not less than | 14.0 | 15.8 | GOST 11262 |
| 6 | Relative elongation at break* | %, not less than | 600 | 800 | GOST 11262 |
| 7 | Adhesion coatings to steel, not less | N/cm, +23 ̊С | 120 | 131 | GOST 411 |
| N/cm, +60 ̊С | 50 | 55 | |||
| 8 | Coating peeling area during cathodic polarization after holding for 30 days, cm2, no more than: | at T= +60 ̊С | 10 | 7 | GOST R 51164 (Appendix B) |
| 9 | Color | gray | gray |
| Zone 1 | Zone 2 | Zone 3 | Zone 4 | Zone 5 | Clamp | Head 1 | Head 2 |
| 140 | 150 | 160 | 170 | 180 | 190 | 190 | 190 |
The composition is packed in laminated polypropylene or polyethylene bags of 25±0.2 kg, the material can also be packed in a big bag with a polyethylene liner of 1000 kg.
The guaranteed shelf life is 8 years from the date of manufacture, provided that the product is stored in closed areas, excluding direct sunlight, at a distance of at least 1 m from heating devices.
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