Patent ID: 8501844

Claim:
A pipe comprising a polyolefin composition comprising (a) an ethylene homo- or copolymer or a propylene homo or copolymer (A), (b) a vitamin E-type stabilizer (B) according to formula (I): wherein R1, R2, R3, R4 and R5 independently are H, or nonsubstituted or substituted aliphatic or aromatic hydrocarbyl radicals which may comprise heteroatoms, and (c) a phenolic stabilizer (C) according to formula (II): wherein R6, R7 and R8 independently are non-substituted or substituted aliphatic or aromatic hydrocarbyl radicals which may comprise OH-groups wherein apart from OH-groups no further heteroatoms are present in R6, R7 and R8; and X1, X2, and X3 independently are H or OH, with the proviso that at least one of X1, X2 and X3 is OH, and, (d) optionally, an UV stabilizer (D) consisting of a sterically hindered amine or carbon black, wherein no stabilizers other than (B), (C) and optionally (D) are present in the composition.