SKU: PEX85519
UPC: 686226855190
MPN: 85519
PERMATEX Powerbead Ultra Blue RTV Silicone 9.5oz is a room-temperature vulcanizing sealant engineered for critical sealing and bonding applications across automotive, industrial, and maintenance sectors. This 9.5-ounce cartridge delivers consistent, reliable performance in engine gaskets, pan seals, oil passages, and transmission housings where thermal cycling and fluid exposure demand a durable elastomer.
The formulation cures at room temperature without mixing, forming a tough, flexible gasket that resists engine oil, coolant, and transmission fluid—critical for long-term reliability in high-vibration environments. The 9.5oz size is optimized for single-application use, eliminating waste and shelf-life concerns that plague larger bulk containers. Curing time allows for assembly adjustments before full hardening, a practical advantage in both professional shop and field-repair scenarios where precision fit matters.
Mechanics and technicians rely on this silicone sealant for pan gaskets, timing cover seals, valve cover gaskets, and transmission pan applications where conventional gaskets may have failed or where custom sealing is required. It bonds well to aluminum, cast iron, and steel—the primary materials in modern automotive engine blocks and transmission cases. The blue color aids visibility during application and curing inspection, reducing application errors on critical seals.
RTV silicone sealants remain industry-standard for aerospace, automotive OEM, and independent repair facilities because they create a conformable gasket that accommodates surface irregularities that rigid pre-cut gaskets cannot. The PERMATEX Powerbead Ultra Blue formulation meets demanding automotive specifications, making it suitable for both preventive maintenance and emergency field repairs where gasket material is unavailable or damaged beyond reuse.
Included in professional shop kits and emergency repair supplies, this 9.5oz tube provides adequate coverage for most single-application sealing jobs without excess material. Storage at room temperature preserves shelf life, and the cartridge format ensures clean, controlled dispensing—critical when precision bead placement prevents over-application and material waste.
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