成熟人妻换xxxx中文字幕,亚洲欧美性另类春色,狠狠五月深爱婷婷网,亚洲综合青色

Uses: Suitable for solvents in the rubber industry.
It can replace Freon, mixed with propane and isobutane, it can act as a propellant for general aerosol products, and it is also the main raw material for the production of maleic anhydride in organic chemical products.
Product performance: colorless, odorless, transparent liquid, containing no tetraethyl lead, has a strong ability to dissolve rubber. Subdivided into.
Packaging, transportation and storage: In accordance with SH 0164-1992 "Rules for Packaging, Storage, Transportation and Delivery Acceptance of Petroleum Products.