SILICONE S50 MANHATTAN GREY - S50MAN Silicone S50 is a mid modulus, heavy bodied acetoxy curing silicone sealant that contains a powerful anti-fungal compound to prevent mould and fungal growth in areas of high humidity. The mid modulus nature of this formulation gives improved adhesion and flexibility when compared to standard high modulus sanitary grades. Conforms to BS5889(A) and ISO 11600 G25LM.