FSPM03ST – UCC Petrolatum Mastic (S.T) 3KG Block UCC Petrolatum Mastic ST is a neutral petrolatum compound stabilised with inert fillers complemented with corrosion inhibitors and reinforced with synthetic fibres. UCC Petrolatum Mastic ST is used for sealing filling and profiling applications where a protective waterproof and non-setting mastic is required. It can be used to contour pipes and profile irregular surfaces prior to the application of UCC Petrolatum Tapes. Features: Surface Tolerance on marginally prepared substrates; St 2.0. Conforms to irregular shapes and profiles. Can be applied to cold wet substrates. Unaffected by water acid salts or bacterial attack. Excellent sealing properties. Nil VOC s. Ease of application at high and low temperature extremes. Ready for immediate service no curing time. Conforms with AWWA C 217-09 & AS 4822. Application: Prepare surface to St 2 std. Apply UCC Petrolatum Primer to substrate at a spread rate of 5kg/m² approx. Profile projections and voids with UCC Petrolatum Mastic. Spirally apply tape incorporating 55% overlap to achieve a double thickness with circumferential turn. Overwrap tape with UCC PVC OverWrap spirally applied with 55% overlap. Product Properties: Properties | Value Flash Point | 182°C Specific Gravity | 1.09 Avg Drop Melting Point | 90°C Application Temperature | -10 to +45°C Service Temperature | -20 to +50°C Excursion Peak Temperature | 55°C