The elongations of the leathers fatliquored by the sulfonated oil STO, sulfated castor oil and sulfated neatsfoot oil were better .
磺化油STO、硫酸化牛蹄油和硫酸化蓖麻油加脂的坯革伸长率较大。
2
SE - 40 fat liguor consist of synthetic Neatsfoot oils and Synthetic Sperm oils and fatty amide and fatty acid polyglycol ester and fat liquoring auxiliary agent etc.