PRIMO W1 (Advance) Cement Strengthener – Single Component Latex Bonding & Waterproofing Compound
PRIMO W1 (Advance) Cement Strengthener is a high-performance, single-component latex-based bonding and waterproofing compound. It provides superior adhesion and long-lasting waterproof protection for interior and exterior applications.
Key Features
- Single Component – Ready to use; no on-site mixing required
- Superior Bonding – Excellent adhesion to concrete, mortar, masonry, tiles, and natural stone
- Waterproofing – Dense, flexible film resists positive and negative water pressure
- Multi-Purpose – Can be used as bonding agent, waterproofing slurry, or additive to cementitious mixes
- Chemical & Salt Resistance – Protects concrete and steel against chloride and moisture ingress
- Easy Application – Brush, roller, or spray
Recommended Applications
- Lift pits & basements
- Retaining walls & planter boxes
- Balconies & roof slabs
- Interior & exterior wet areas
- Large format tiles, ceramics, granite, and slate stone bedding
- Additive to cement for patching, screeds, and renders
Technical Data
| Appearance | Milky white liquid |
| Base | Acrylic / SBR Latex |
| Specific Gravity | ~1.0–1.1 |
| pH | 8.0–9.0 |
| Bond Strength (to concrete) | > 2.0 MPa |
| Water Penetration | Nil at 5 bar (7 days) |
| Elongation | > 300 % |
| Service Temperature | -5°C to +80°C |
| Pot Life | Ready to use |
| Coverage | As bonding agent: approx. 5–6 m² per litre As waterproofing slurry (cement 1:1 by weight): approx. 1.5 kg/m² per coat |
Packaging & Storage
- Packaging: 20 L plastic pail; 200 L drum
- Storage: Store in a cool, dry place (5–35°C), away from sunlight and frost. Shelf life: 12 months in original unopened container.
- Health & Safety: Non-toxic, water-based. Use gloves and goggles. Refer to SDS for detailed safety instructions.
- Disclaimer: Information based on laboratory tests and practical experience. MP Sand Industries Sdn. Bhd. does not accept responsibility for improper use or workmanship. Users must carry out their own suitability tests.
* All technical data are based on laboratory tests. Actual data may vary due to circumstances beyond our control.
Frequently Asked Questions (FAQ)
It is a multi-purpose product that can be used as a bonding agent, a waterproofing slurry, or an additive to cementitious mixes for patching, screeds, renders, and tile bedding.
Recommended for areas needing strong bonding and waterproofing such as lift pits, basements, retaining walls, planter boxes, balconies, roof slabs, and interior/exterior wet areas. It’s also suitable for large format tiles, ceramics, granite, and slate stone bedding.
PRIMO W1 (Advance) is ready-to-use (single component), provides superior bonding to concrete, mortar, masonry, tiles, and stone, forms a dense flexible waterproof film resistant to positive/negative water pressure, offers chemical & salt resistance, and is easy to apply by brush, roller, or spray.
As a bonding agent, coverage is about 5–6 m² per litre. As a waterproofing slurry (cement 1:1 by weight), coverage is around 1.5 kg/m² per coat. It is ready to use and can be applied directly using a brush, roller, or spray.
