POLIXEL Black RTV Silicone Sealant – 100% Silicone, Waterproof & Flexible (5oz/150g)

POLIXEL Black RTV Silicone Sealant Adhesion

Designed to handle everyday sealing chores with dependable performance, POLIXEL Black RTV is a 100 percent silicone sealant that cures into a dense, flexible barrier. It helps block moisture in damp areas such as bathrooms, kitchens, and plumbing joints, while remaining versatile for indoor and outdoor projects. The formula is designed to bond across multiple surfaces and to be convenient to use in a variety of settings, offering a practical solution for long lasting seals without complex preparation.

Key benefits at a glance

• 100 percent waterproof seal that blocks moisture and helps keep areas dry even in steam heavy environments.
• Shrinks and cracks proof, forming a durable elastic bead that moves with substrates without tearing.
• Temperature resistant from minus 40 C to plus 200 C, suitable for hot kitchens and chilly exterior joints.
• Strong adhesion to glass, ceramic, metal, wood, and most plastics, with no primer required for many substrates.
• Easy to apply with a smooth finish; tool or wet finger can create a clean, professional look.

In practice, this sealant maintains flexibility as surfaces expand and contract, helping reduce micro cracking and edge wear over time.

Where to use

• Bathrooms, kitchens, and laundry areas for joints, seams, and tile work.
• Plumbing joints, sinks, bathtubs, shower stalls, and appliance seals.
• Window seals, door frames, and exterior gaps exposed to weather.
• Exterior siding joints and AC piping entries for reliable weather resistance.
• Around glass, metal, and most rigid plastics to ensure continuous protection.
• Areas prone to vibration or movement where long lasting elasticity helps maintain a seal.

How to apply for best results

• Prepare surfaces by cleaning and drying; cut the nozzle to the desired bead size and load the cartridge.
• Apply a steady bead, then smooth with a tool or a dampened finger for a neat line.
• Allow sufficient cure time before exposure to moisture or temperature stress; clean any uncured material promptly.
• Store the remaining product in a cool, dry place away from children and heat sources.

Note that primer is not required for many surfaces, and the sealant is designed to perform under everyday temperature swings and UV exposure. This description reflects the features and typical behaviors observed during use, without implying guaranteed outcomes.

Durability and maintenance

Over time the sealant remains flexible and water resistant, even after exposure to heat and cold. Inspect seals periodically and reapply when gaps become visible or moisture appears.