Product Description

The SHARPIE MSC1-06 MEGAHARD ONE is a one-component, fast-curing
high modulus modified silicone sealant formulated with
Special Elastic Adhesive Technology. It provides excellent impact resistance,
weather durability, and reduced staining, making it ideal for high-traffic and
structural repair applications. Designed as a neutral cure sealant,
it is non-corrosive to metals and safe for sensitive substrates.

Key Benefits

• Fast Curing – Shortens construction periods with rapid tack-free times.
• Impact Resistant – High strength and hardness with elastic recovery for heavy-duty use.
• Durable Weatherproofing – Long-term resistance to UV, rain, snow, and temperature extremes.
• Primerless Adhesion – Bonds to aluminum, brick, ceramic, porcelain, concrete, and natural stone.
• Anti-Mold & Paintable – Resistant to fungal growth and compatible with most paints.
• Low Dirt Pickup – Matte finish minimizes streaking and staining on façades.
• High Movement Capability – ±25% joint movement, thermal stability from −30 °C to +90 °C.

Packaging

• Cartridge: 320 ml plastic caulking cartridges, 10 per box
• Colour: Standard Light Grey
• Primer: SHARPIE Primer P-32 / P-50 recommended for difficult substrates
• Shelf Life: 12 months in unopened packaging, stored cool and dry (15–27 °C)