The Lapo portfolio features a vast range of standard and customised compounds for medium to high-volume applications in the following sectors:
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| Properties | Lapolen copolymer and homopolymer compounds | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Standard | Units | Conditions | K 1745 | K 53.180 | K 48.380 | K 50.200 HF | K 1540 | K53.130 | LG1450 | K1535 | K1340 | H65.25 | H T40 | K1638L | K2227L | |
| Physical | ||||||||||||||||
| Density | ISO 1183 | g/cm3 | 1,03 | 0,98 | 0,96 | 1,13 | 1 | 0,98 | 1,03 | 0,98 | 0,96 | 1,06 | 1,25 | 0,98 | 1,1 | |
| Ash content | ISO 3451 | % | 750°C -30′ | 20 | 15 | 10 | 29,5 | 17 | 15 | 18-23 | 10,5-13,5 | 7-10 | 18-22 | >35 | 11-14 | 25-29 |
| Linear Shrinkage | % | 0,65 | 0,95 | 1,1 | 0,55 | 0,65 | 0,95 | 0,65 | 0,65 | 0,75 | 0,8-1,3 | 0,7-1,2 | 0,6-0,9 | 0,5-0,7 | ||
| Rheological | ||||||||||||||||
| Melt flow index | ISO 1133 | g/10′ | 230°C -2,16 kg | 22 | 10 | 14 | 32,5 | 32,5 | 11 | 15-20 | 30-38 | 18-23 | 6-16 | 8-13 | 22-28 | 30-35 |
| Mechanical | ||||||||||||||||
| IZOD Notched impact strength | ISO 180 | KJ/m2 | 23°C | >45 | >18 | >38 | >20 | >40 | >13 | >29 | >35 | >40 | >2,5 | >2,5 | >38 | >27 |
| Charpy Notched impact strength | ISO 179-1 | KJ/m2 | 23°C | >47 | >20 | >40 | ||||||||||
| Flexural modulus of elasticity | ISO 178 | Mpa | 2mm/min, 23°C | >1700 | >1650 | >1300 | >1700 | >1450 | >1650 | >1450 | >1450 | >1300 | >2500 | >3800 | >1650 | >2200 |
| Thermal | ||||||||||||||||
| Heat distortion temperature | ISO 75 | °C | 180 Mpa | 48 | 53 | 48 | 50 | 50 | 53 | 55 | 46 | 46 | 65 | 75 | 50 | 58 |
| Vicat softening temperature | ISO 306/B | °C | 50°C/h, 49N | 45 | 53 | 49 | 45 | 45 | 53 | 45 | 43 | 44 | 90 | 95 | 45 | 48 |
