Muffler assembled must have a maximal pressure rise of 100mbar in 10 sec, its parts is jointed together by steel wire induction welding .

Material: Duranex 3300 or Duranex 3200 (Low oligomers: 0.45 Wt% max.).. Roughness: according EN ISO 1302.We may use  PBT5500N made in China for cost saving to our customers.