Hydacon products
HYDAMIX 391
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Product Overview
HYDAMIX 391 is a high-performance, latex-based admix designed to enhance cement-based mortars, making it ideal for thick-bed adhesives, plasters, and mortar beds. When combined with cement–sand mixes like HYDAFIX 371, it significantly improves adhesion, strength, and flexibility. It also functions effectively as a bonding agent and primer for cementitious and drywall surfaces, making it suitable for repair, refurbishment, and new construction. Reliable for both interior and exterior floors and walls, HYDAMIX 391 meets ANSI A118.7 and EN 13813 standards, ensuring durable and high-strength performance.
APPLICATION SUITABILITY
- Suitable for cement plasters, mortar beds, screeds, and terrazzo
- Works on concrete, brick masonry, drywall, gypsum, and calcium silicate boards
- Ideal as a bonding agent or primer for cement-based and drywall surfaces
- Applicable for interior and exterior floor and wall installations
- Useful for repair, refurbishment, and thick-bed adhesive preparation
- Supports tile and stone installations over diverse substrates including wood and precast concrete
PRODUCT HIGHLIGHTS
- Latex-based formula for modifying cement plasters, mortar beds, and thick-bed adhesives
- High strength and flexibility for improved shock and impact resistance
- Water-resistant formulation for better performance in damp environments
- Enhances adhesion to concrete, masonry, and cement boards
- Resistant to thermal and minor structural movements
- Meets ANSI A118.7 and EN 13813 standards for reliable, certified performance
FAQs
What is REGULAR 501 used for?
REGULAR 501 is a polymer-based tile adhesive designed for installing small natural stones, ceramic tiles, precast terrazzo, and terracotta in dry indoor flooring applications.
Which surfaces or substrates are suitable for this adhesive?
It can be applied on brickwork, AAC blocks, concrete surfaces, cement-based screeds/beds, and cement-plastered substrates.
Where can REGULAR 501 be used?
It is ideal for dry internal flooring, terraces, balconies, podium decks, and residential applications.
What makes REGULAR 501 easy to use?
The adhesive requires only mixing with water on-site and has a self-curing formula that reduces labour and simplifies application.
Does REGULAR 501 have strong adhesion performance?
Yes. It exceeds IS 15477:2019 Type 1T, EN 12004 C1T, and ANSI A118.1 T standards, offering high shear and tensile strength.
What is the recommended mixing ratio?
For a 20 kg bag, use 5.5–6.5 litres of clean water and mix using a low-speed drill to achieve a smooth paste.
How long should I wait before grouting after tile installation?
Grouting must be done after 24 hours, ensuring proper curing and bonding.
What is the coverage of a 20 kg bag of REGULAR 501?
Approximately 5–6 m² at 3 mm thickness using a 6×6 mm notched trowel. Coverage varies based on surface and technique.
How should the product be stored?
Store the Bag in a cool, dry place (10°C–30°C), away from sunlight, moisture, and extreme temperatures. Keep it sealed until use. Shelf life is 12 months.
What safety precautions should be followed?
Wear gloves and eye protection. In case of skin contact, wash with water; for eye exposure, rinse for 15 minutes and seek medical attention. Keep away from children.
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