Dow Corning 785+ Sanitary Sealant

£12.60

VAT included Shipping calculated at checkout.

Dow Corning 785+ Sanitary Sealant is a premium, mould-resistant neutral-cure silicone designed for long-lasting hygiene in kitchens, bathrooms, and showers. With excellent adhesion to glass, ceramics, tiles, and plastics, it offers durable flexibility, resists UV and water, and contains fungicide to prevent mould growth—ideal for sealing baths, sinks, and sanitary joints in high-humidity environments.

Colour: White

Size

310ml

Product variants

Delivery and Shipping

Place your order before 3pm for next working day delivery.

Please note: Additional delivery charges may apply for Northern Ireland, Isle of Wight, Isle of Man, Isles of Scilly, Scottish Highlands & Islands, and Channel Islands. We will contact you to inform you of any additional costs once your order is received, or you can call us on 0800 111 4898 beforehand to confirm.

Description

Mould-Resistant Silicone Sealant for Hygienic Sanitary Applications

Dow Corning 785+ is a one-part, neutral-cure silicone sealant developed for sanitary applications where long-lasting mould resistance and strong adhesion are essential. Enhanced with powerful fungicide, it provides durable sealing in high-humidity environments such as bathrooms, kitchens, and shower areas. It bonds well to glass, ceramics, porcelain, enamel, glazed tiles, and many plastics without the need for a primer in most cases.

Key Features & Benefits

Advanced Mould Resistance: Contains a fungicide that protects against black mould growth for long-term hygiene.
Neutral-Cure Silicone: Low odour and non-corrosive, safe for use on most building materials.
Excellent Adhesion: Bonds to glass, ceramics, enamel, glazed tiles, aluminium, and many plastics.
Durable & Flexible: Accommodates joint movement up to ±20% for lasting performance.
Water & UV Resistant: Ideal for constantly wet areas and exposure to sunlight.

Application Areas

Sealing around baths, showers, and sinks
Kitchen worktops and splashbacks
Sanitary joints between tiles
General hygienic sealing in food prep areas

Technical Specifications

Form: One-part silicone elastomer
Skin-Over Time: ~30 minutes at 23°C / 50% RH
Joint Movement Capability: ±20%
Application Temperature: +5°C to +40°C
Service Temperature: -50°C to +150°C
Shore A Hardness: ~20
Colours: White, clear, and other sanitary shades

Installation Tips

Ensure surfaces are clean, dry, and free from dust, grease, and old sealant.
Apply a continuous bead and tool within skin-over time for best finish and adhesion.
Not suitable for use on bitumen, natural stone, or substrates that bleed oils or solvents.