Strubond Strong7

A Primer for Masonry Surfaces and Bonding Additive to Cement Based Mixtures

A multipurpose polyvinyl acetate (PVA) primer/adhesive modifier additive for concrete, screeds, renders and cement based products.

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Uses

Primer: Apply to concrete, brick, block and fiber cement and gypsum building boards to adhere screeds, renders, cement toppings and ceramic tile adhesives. Do not use in immersed applications.
Cement Based Mixtures Additive: Improves bond strength of cement based mixtures to smooth surfaces.

Advantages

Single component liquid, gauged as required
Bonds most common construction materials
Improves the durability of mortars and renders
Excellent as a dust proofer and sealer
Easily applied by brush roller or spray
Contains no chloride admixtures
Versatile and economical

Standards compliance

BS 6920 - Approved for use with potable water.

Properties

Appearance

White viscous emulsion

Specific gravity

Typically 1.00 gr/cm3 @ 20°C

Chloride

Nil to BS5075

Strubond Strong7 Water Coverage

1 L 5 L 20 m2

Instructions for use

Surface preparation: Surface to be treated must be structurally sound and free from dirt, dust, grease, efflorescence, laitance, coatings and other contaminants.
Application: Mix with water as directed. Apply with a hard broom or brush. After 30 minutes apply screed/topping/adhesive.
Cleaning: Strobond Strong7 should be removed from tools, equipment and mixers with clean water immediately after use. Cured material can only be removed mechanically.

Packaging & Storage

Packaging: Strobond Strong7 is available in 3, 8 and 20 kg pails.
Storage: Strobond Strong7 has a minimum shelf life of 12 months at 35°C if kept in a dry store in the original, unopened packs. The shelf life will be reduced at higher ambient temperatures.

Health and safety

Strobond Strong7 is alkaline and should not come into contact with skin and eyes. Avoid inhalation of dust during mixing. Gloves, goggles and dust mask should be worn. If contact with skin occurs, wash with water. Splashes to eyes should be washed immediately with plenty of clean water and medical advice sought.

Fire

Strobond Strong7 is non-flammable.