国产精品老熟女露脸视频,制服 丝袜 人妻 专区一本,51国产黑色丝袜高跟鞋 ,高潮videossex潮喷,入禽太深免费视频

Product Description

Features

Plant derived esters, utilizing the special structure and surace activity of fatty amines, have excellent emulsifying, wetting, and expanding effects. They have excellent penetration into the oily wax back layer and can be added to oily or water-based systems. They need to be used in conjunction with high HLB suractants.

Packaging and Storage

200KG/drum double-mouth plastic drum. Store in a cool, ventilated (15°C-40°C), dry place with a shelf life of 2 years. Shipping as non-hazardous chemicals。