YY-811 | Polymer Cement Waterproofing Latex
YUNYAN YY-811 Polymer Cement Waterproofing Latex is a flexible liquid polymer component for cementitious waterproofing systems. When combined with the specified cement or powder component, it forms a seamless coating with good adhesion to compatible concrete, masonry, brick, and lightweight mineral substrates.
For dependable results, specify Polymer Cement Waterproofing Latex as part of a complete system, verify substrate compatibility, and follow the approved technical data sheet and site trial.
Key Features & Benefits
· Flexible waterproof material, excellent elongation performance.
· Strong cohesive force, good cohesiveness with base plane.
· Seamless waterproof for indoor and outdoor use.
· Favorite color choice: gray, white, green,blue and yellow.
· Eco friendly and user friendly.
Recommended Applications
· It is applied for waterproofing indoor and outdoor concrete structures, brick and other lightweight substrate.
· It is applied for waterproofing external wall, roof, floors, tunnels, bridges, basement, pool, balcony, kitchen, bathroom, especially around the nozzle and angle part.
· It is suitable for drinking water tanks, swimming pools, rearing ponds and other long-term flooding places.
· Usage: Portlant cement 42.5 : Latex = 1kg: 1kg.
· Delivery : 15-20 days.
· MOQ: 100barrels.
Technical Information
|
Status |
Liquid form |
|
Color |
Milky white |
|
Open time |
1h |
|
Pot life |
<4 hours @25℃ |
|
Setting time |
8 hours |
|
Construction |
Spray or roll |
|
Elongation rate |
111% |
|
Tensile strength force |
9Mpa |
|
Bonding strength force |
8Mpa |
|
Watertightness (0.3mpa,30min) |
passed |
|
Anti-permeability (negative test) |
passed |
|
Shelf life |
12 months |
|
Condition on site |
5-40℃ |
Technical values are typical source-document values and should be checked against the latest approved TDS before publication, specification, or site use.

Application Guide
1. Confirm that the substrate is structurally sound, clean, and free from dust, oil, laitance, loose material, and standing water.
2. Prepare, mix, dilute, or condition the product strictly in accordance with the approved TDS and job-site trial.
3. Apply an even, continuous layer using the method specified for the product; reinforce joints, cracks, corners, and penetrations where required.
4. Protect the fresh work from rain, freezing, contamination, and premature traffic until the system has cured.
Packaging, Storage & Safety
|
Storage / Shelf Life |
Non-warranty: Because the storage, handling and application of the material is beyond |


