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    Identification of Common Rubber Materials


    RubberSpecific GravityCombustibilitydrippingFlame ColorSmellburning velocityOther
    PE<1BurningThere are dripsblue yellow topStone Cured FlavorQuick.There are traces of scraped nails
    PP<1BurningThere are dripsblue yellow topDiesel smellSlowNails scraped without traces
    TPX<1BurningThere are dripsBlue/Quick.Transparent as water
    PS>1BurningThere are dripsYellowStyrene flavorQuick.Coke and black smoke
    ABS>1BurningThere are dripsYellowBitter rubber tasteSlowCoke and black smoke
    PET>1BurningThere are dripsyellow blue edgecoke rubber smellQuick.Coke and black smoke
    PU>1BurningNo drippingYellowMicro apple flavorQuick.a little black smoke
    SBS>1BurningNo drippingYellowStyrene flavorQuick.There is coke and black smoke
    SEbS>1BurningNo drippingYellowStone Cured FlavorQuick.No coke and black smoke
    PTFE>1non-combustibleNo drippingNo flame/non-combustible/
    PA>1Automatic extinguishmentThere are dripsblue yellow tophair burning smellSlowBlistering
    PC>1Automatic extinguishmentThere are dripsOrangePhenol flavorSlowCoke and black smoke
    PPO>1Automatic extinguishmentNo drippingOrangePhenol flavorSlowNot easy to ignite
    PVC>1Automatic extinguishmentNo drippingyellow green edgeHydrochloric acid tasteSlowwhite smoke