High-Performance Neutral Silicone Sealant for Professional Waterproofing & Anti-Mould Protection

The Hunter Neutral Silicone Sealant Anti-Fungus 328 is a premium-grade, one-component fast-curing sealant designed for superior mould resistance, UV stability, and long-lasting weatherproofing. Its neutral cure formula is non-corrosive to metals and delivers exceptional adhesion on a wide range of surfaces, making it ideal for both indoor and outdoor applications.

Compatible with glass, aluminium, steel, zinc, copper, tiles, ceramics, plastic, brick, wood, and painted surfaces, this sealant is perfect for construction joints, bathrooms, kitchens, windows, façades, and sanitary installations.

Key Features & Benefits

• Anti-Fungus & Mould Resistant: Ideal for humid areas like bathrooms and kitchens.
• Neutral Cure, Non-Corrosive: Safe on metals such as aluminium, copper, zinc, and steel.
• Fast Skin Formation: Cures quickly within 5–7 minutes at 27°C.
• Excellent Weatherproof & UV Resistance: Durable for indoor and outdoor use.
• Strong Adhesion: Bonds well to glass, metal, tiles, plastics, brick, wood, and more.
• High Flexibility & Movement Capability: 12.5% joint movement with 300% elongation.
• Wide Temperature Resistance: Withstands extreme temperatures from -62°C to +200°C.

Technical Specifications

• Consistency: Non-sag
• Skin Formation @ 27°C: 5 – 7 minutes
• Hardness (Shore A): 25
• Tensile Strength: 0.90 MPa
• Elongation at Break: 300%
• Movement Capability: 12.5%
• Temperature Resistance: -62°C to +200°C
• Application Temperature: +6°C to +40°C

Recommended Applications

• Glass and aluminium façade sealing
• Bathroom, kitchen, and sanitary joints (anti-mould)
• Window and door frame sealing
• Metal roof joints and cladding
• General construction and weatherproofing

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