high purity greece antioxidant dtpd 3100 natural rubber
high purity greece antioxidant dtpd 3100 natural rubber
high purity greece antioxidant dtpd 3100 natural rubber
high purity greece antioxidant dtpd 3100 natural rubber
high purity greece antioxidant dtpd 3100 natural rubber
  • Are PPD antioxidants effective in reducing tire wear?
  • It is reported that PPD antioxidants have been largely applied in commercial vehicle tire formulations (1–4% by mass). (11,35) Fomba et al. found a larger contribution of tire wear to the atmosphere particulates at a traffic-dominated site (2.0–2.9%) compared to an urban background (1.7–2.1%).
  • What is the dominant species of PPD-Q in Taiyuan?
  • By contrast, CPPD-Q and IPPD-Q were the dominant species for PPD-Qs in Taiyuan, which accounted for about 20 and 39% of the total of PPD-Qs, respectively.
  • Are PPD antioxidants toxic?
  • An increasing number of studies have focused on the toxicity of these PPD antioxidants. (8−10,15,33) According to the European Chemical Agency, several of them were labeled as very toxic to aquatic life with long-lasting effects and harmful if swallowed and may cause an allergic skin reaction.