999yy成年在线视频免费看_欧洲性开放老太大_国产欧美日本在线观看_插插免费视频

Metal deactivator T561

Metal deactivator T561

Use:Metal deactivator T561 is a thiadiazole polysulfide that can capture active sulfur in oil and inhibit metal corrosion

Packing:25 KG/drum, 180 KG/drum

Detailed