天天5g天天爽人妻熟女,熟妇多毛,无码aaaaa,国产熟女高潮

化學名稱：四羥甲基甲烷

分子式：C5H12O4

用途：制作醇酸樹脂，油漆，油墨，松香樹脂，干性油，穩(wěn)定劑等

包裝：25千克/袋或者客戶指定

執(zhí)行標準：國家標準

規(guī)格：

項目/規(guī)格                       98級          95級           90級          86級

單季戊四醇含量，%，≥           98.0          95.0           90.0          86.0

羥基含量，%，≥                 48.5          47.5           47.0          46.0

干燥減量，%，≤                 0.20          0.50           0.50          0.50

灼燒殘渣，%，≤                 0.05          0.10           0.10          0.10

著色度，≤                       1             2              2              4