Product Description

The HT S25A Anti-Fungal Silicone Sealant is a one-part, neutral cure, high modulus silicone designed for long-lasting weatherproofing and waterproofing in high-humidity environments.
It contains an antifungal agent that effectively blocks the growth of mold and fungus while being safe for human contact.
This sealant cures at room temperature upon exposure to atmospheric moisture, providing excellent adhesion to glass, metal, ceramics, wood, and other construction materials.

Key Benefits

• Antifungal Protection – Inhibits mold and mildew growth in wet or humid areas.
• Neutral Cure – Non-corrosive, low odor, and suitable for sensitive substrates.
• Excellent Waterproofing – Provides reliable sealing against water and air penetration.
• Durability – Withstands extreme temperatures (−48 °C to +149 °C) and UV exposure.
• Movement Capability – ±25% dynamic joint movement (ASTM C719).
• Compliance – Meets ASTM C920 and ISO 846 standards; TÜV SÜD PSB tested.

Applications

• Kitchen sinks, bathrooms, and other high-moisture environments.
• Sealing joints in glass, metal, concrete, ceramic, wood, and plastics.
• Glass-to-glass and glass-to-metal sashing applications.
• Prefabricated housing, freight containers, and cold storage interiors.
• Ductwork and areas prone to fungal exposure.

Packaging

• Cartridges: 300 ml, 25 units per carton.
• Colors: Translucent Clear, White, Black (custom colors available).
• Storage: Store at 15–27 °C; avoid >50 °C and moisture exposure.
• Shelf Life: 12 months in unopened packaging (see “Use Before Date”).