October 31, 2023 Silande- MF889 admin 0 Comment Product List Silande- MF889 is a silicone weatherProof Sealant. RTV. Neutral. One-Part Silicone Sealant. Tagged on: Silande- MF889 is a silicone weatherProof Sealant. RTV. Neutral. One-Part Silicone Sealant.