文章摘要
Development of wavy cylinder dust cap for hydraulic brake system in Santana
  
DOI:
Key Words: wavy dust cap;EPDM;brake system;cylinder
Author NameAffiliation
LEI Jin-song Hubei Pike Seal Factory 
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Abstract:
      A wavy cylinder dust cap for hydraulic brake system in Santana has been developed.The formula of cap is as follows:EPDM(propylene content 40%~50%) 100;zinc oxide  5.0;stearate  0.5;antioxidant A  1.0;antioxidant D  0.5;black N754  65;petroleum wax  8.0;plasticizer DOP 4.0;DCP +CZ+TETD +sulfur  3.7.The first step vulcanization of the product is carried out on a curing press at the temperature of 178 ℃ for 8 min;and the second step vulcanization is carried out in a hot air oven at the temperature of 150 ℃ for 2 h.
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