Thermoplastic polyolefin composition

1. Composition (MB) comprising:

(a) an elastomeric copolymer (EP2) comprising units derived from

(i) ethylene,

(ii) at least one C3 to C20 α-olefin, and

(iii) optionally a non-conjugated diene; and

(b) a high density polyethylene (HDPE) being bimodal or multimodal, wherein

(i) the elastomeric copolymer (EP2) and the high density polyethylene (HDPE) together constitute at least 85 wt.-% of the composition (MB), and

(ii) the weight ratio of the high density polyethylene (HDPE) and the elastomeric copolymer is from 50:50 to 35:65,

and-wherein the content of units derivable from the ethylene in the elastomeric copolymer (EP2) ranges from 50.0 to 70.00 wt. %.

2. Composition (MB) according to claim 1 , wherein the elastomeric copolymer(EP2) is an ethylene propylene rubber (EPR) and/or an ethylene propylene diene monomer polymer (EPDM).

3. Composition (MB) according to claim 1 , wherein the high density polyethylene (HDPE):

(a) has a melt flow rate MFR 2 (190 ° C.) measured according to ISO 1133 of 0.1 to 7.0 g/10min and/or

(b) has a melt flow rate ratio FRR (MFR 21 (190 ° C)/MFR 2 (190 ° C.)) of 20 to 150 and/or

(c) comprises a fraction (A) and a fraction (B),

(i) said fraction (A) has a lower weight average molecular weight M w measured according to ISO 16014 and/or a lower melt flow rate MFR 2 (190 ° C.) measured according to ISO 1133 than said fraction (B), and

(ii) the weight ratio between the fraction (A) and the fraction (B) ranges from 70:30 to 30:70.