... It contains many additives, for example: antirust, oxygen resist.ArChine Silicone HVG 180 has many advantages, exceptional compatibility with rubber and ... part. Operation temperature: -60°C~180°CTechnical Data ArChine Silicone HVG 180UnitTest methodAppearance Tinge to Yellow, uniformVisual Worked penetration,0 ... (180°C,1h),% ≤5SH/T 0337 high vacuum sealing silicon grease (ArChine Silicone HVG 180)