https://www.avient.com/sites/default/files/2020-12/resound-om-technical-bulletin_0.pdf
Available in four overmolding grades compatible with polypropylene (PP), and one grade that is suited for overmolding onto ABS, all grades are formulated for durability, delivering property retention and UV resistance comparable to traditional TPEs.
TECHNICAL BULLETIN UV RESISTANCE • UV testing: QUV-A Test, 0.68 @ 45C • Comparable results to traditional TPEs reSound OM 5510-45N reSound OM 5510-60N Bio-derived Content (%) 40% 50% Hardness, Shore A 45 60 Delta E after 150 hrs. 0.22 0.23 Delta E after 300 hrs. 1.68 0.56 AGING – BONDING STRENGTH ONTO ABS reSound OM 5520-55N Room Temperature 70C 1 day 1 week 2 weeks 6 months 1 week 2 weeks 3 weeks Bio-derived Content (%) 49% 49% 49% 49% 49% 49% 49% Hardness, Shore A 54 54 55 54 55 56 OM Substrate ABS ABS ABS ABS ABS ABS ABS OM Avg.
Peel (N/mm) 3.2 2.9 3.2 3.2 3.1 3.2 3.1 Failure Mode Cohesive Cohesive Cohesive Cohesive Cohesive Cohesive Cohesive KEY PROPERTIES AND OVERMOLD PERFORMANCE reSound™ OM 5510 grades for overmolding onto PP and reSound OM 5520 for ABS reSound OM 5510-30N reSound OM 5510-45N reSound OM 5510-60N reSound OM 5510-70N reSound OM 5520-55N Bio-derived Content (%) 40% 40% 50% 50% 49% Hardness, Shore A 30 45 60 70 54 Specific Gravity 0.88 0.88 0.89 0.89 0.95 50% Modulus, PSI 96 153 247 384 258 100% Modulus, PSI 137 251 343 462 353 Tensile Strength, PSI 264 438 625 608 637 Elongation, % 280 215 306 271 319 Tear Strength, PLI 58 84 109 132 146 OM Substrate PP PP PP PP ABS OM Avg.