Landercoll Quality Additives for Waterproof Mortar

High-Performance Solutions for Waterproof Mortar
Waterproof mortar is a cement-based formulation designed to block water intrusion—essential for basements, bathrooms, and below-grade applications. Its performance hinges on the right additives.
Landu is a specialized manufacturer of Landercoll HPMC y HEMC cellulose ethers, engineered to enhance water retention, workability, and crack resistance in waterproof mortar systems. With years of production expertise and strict quality control, we deliver the consistency that formulators and contractors rely on—bag after bag, project after project.
Beneficios
- Reduced water penetration
- Strong adhesion to substrates
- Smooth and easy application
- Improved flexibility for thermal and structural movement
Buy Waterproof Mortar Additives from Landercoll
| Chemical Grade | Performance | |
|---|---|---|
| HPMC | MHEC | |
| K40 | EM40 | Good workability; Reliable water retention |
| K100 | EM100 | Good workability; Reliable water retention |
| K100HT | EM100HT | Excellent water retention; Longer open time; Superior workability |
Top2 Additives for Waterproof Mortar
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5 Applications of Landercoll Waterproof Mortar
Bathrooms and kitchens
Exterior walls and facades
Pools and water tanks
Try Our FREE Waterproof Mortar System Sample!
At LANDU, experience our Landercoll products firsthand with a FREE sample!
- Sample Size: 200g or 400g.
- Shipping: Fast via FedEx or DHL.
- Service: Expert formula adjustment support.



Flexible Payment and Sufficient Supply
Handling Large Volume Orders
Global Shipping andDelivery Solutions
- Payment Terms: Flexible options, including L/C, T/T, OA, etc.
- Minimum Order Quantity: 1 MT
- Packaging: 25kg/bag, 600kg/pallet
- Annual Capacity: 4,000 Tons
- Lead Time: 7-20 working days, depending on order volume and requirements

Packaging and Size
We package HPMC in paper bags with plastic liners to provide extra protection. Please keep the product sealed and store it in a cool, dry place, away from moisture, direct sunlight, and sources of ignition.
HPMC/MHEC Supplier with Good Reputation
Landercoll® has been a trusted name in cellulose ether manufacturing for years, backed by three production bases equipped with state-of-the-art facilities. Our manufacturing process features 16 horizontal reactors and 4 vertical reactors ensuring high-capacity, consistent output, alongside a DCS (Distributed Control System) for fully automated production and an SIS (Safety Instrumented System) for real-time process safety.


Reliable Construction additives Factory in China
Customized Services
We offer not only standard products but also customized solutions for construction additives, tailoring products to your specific requirements.
Expert Consultation and Support
Our team of experts is ready to discuss your unique requirements and formulations, ensuring optimal project outcomes.

PREGUNTAS FRECUENTES
MOQ: We accept a minimum order quantity of 1 ton. Smaller trial orders negotiable.
Lead time: 5 days for standard orders, 10 days for orders over 50 tons.
Landercoll® is produced under ISO 9001 certified systems and fully complies with REACH UE regulations. CoA provided with every batch.
We operate three production bases con 16 horizontal reactors & 4 vertical reactors plus a DCS automated control system for full process monitoring. Consistent quality, every batch.
Yes. 500g–1kg samples are free (shipping cost may apply for express delivery). Contact us for your specific application.
Factors such as gypsum quality, application type and performance requirements should be considered when selecting a grade.
Landu is a direct manufacturer. Founded in 2008, we operate 3 production bases with DCS automated control systems and ISO 9001 & EU REACH certifications.
We provide TDS, SDS and COA documents to support product evaluation and quality control.

