| abstract |
The invention relates to a composition comprising (A) a heterophasic propylene copolymer and (B) a nucleating composition, wherein (A) the heterophasic propylene copolymer consists of (a) a propylene-based matrix, wherein the propylene-based matrix consists of a propylene homopolymer and wherein the propylene-based matrix is present in an amount of 83 to 88 wt%, preferably 84 to 88 wt%, based on the total heterophasic propylene copolymer and (b) a dispersed ethylene-α-olefin copolymer, wherein the dispersed ethylene-α-olefin copolymer is present in an amount of 12 to 17 wt%, preferably of 12 to 16 wt%, based on the total heterophasic propylene copolymer and wherein the sum of the total amount of propylene-based matrix and total amount of the dispersed ethylene-α-olefin copolymer in the heterophasic propylene copolymer is 100 wt%, wherein the amount of ethylene in the ethylene-α-olefin copolymer is 40 to 60 wt% and wherein the heterophasic propylene copolymer has a melt flow index of 35 to 50 g/10min as determined according to ISO1133 at 230 ºC and 2.16 kg and wherein (B) the nucleating composition comprises (i) a first nucleating agent, which comprises a cyclic dicarboxylate salt compound; and (ii) a second nucleating agent, which comprises talc, wherein the cyclic dicarboxylate salt compound has the formula (I): Ph (COO-) 2 Ca 2 + (I). |