| abstract |
The present invention relates to silane crosslinking catalyst comprising: - 75 to 85 wt.-% of an olefin acrylate interpolymer and - 15 to 25 wt.-% of a hindered amine light stabilizer (HALS) having a number average molecular weight Mn of 1500 to 4000 g/mol; and - optionally up to 5 wt.-% wax, wherein the silane crosslinking catalyst is free of tin, carboxylic acid(s) and sulphonic acid(s), all weight percentages with respect to the total weight of the silane crosslinking catalyst. |