• Details

    Acid character sheet

    Post:2014-1-7阅读次数:2552
    GB0502 acid black plastic sheet
    Parameters: Specific Gravity: 1.7 to 1.8; Tearing: 4Mpa; Elongation: 250%; Hardness: 75 ° ± 5 °
    Uses: acid, alkali concentration is low, generally corrosive medium
    Pre:NO
    国模生殖图片欣赏_国模生殖欣赏_国模视频777p