Waterproof Mortar Additives Supplier

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China Reliable Manufacturer - Waterproof Mortar Additives Solutions

Waterproof mortar manufacturers need additives that maintain consistent performance in demanding environments, from bathrooms and swimming pools to underground structures and exterior waterproofing applications.

LANDU provides cellulose ether and redispersible polymer powder solutions to improve water retention, adhesion, flexibility and workability of waterproof mortar formulations. With stable production capacity and technical support, LANDU helps manufacturers develop reliable dry mix mortar products for different market requirements.

HPMC for waterproof mortar manufacturers
MHEC for waterproof mortar manufacturers
RDP for waterproof mortar manufacturers

Accurate™ RDP Grades for EIFS / ETICS Applications

LANDU Additive Solutions for Waterproof Mortar
AdditiveRecommended GradesMain Function
HPMCK40 / K100 / K100HTWater retention, workability, consistency
MHECEM40 / EM100 / EM100HTWater retention, open time improvement
RDP8032H / 8035H / 8048HFlexibility, adhesion, durability
DefoamerP805/P806/P807Reduce air entrainment
Hydrophobic PowderSHP80/SHP75Improve water resistance

Typical Waterproof Mortar Applications

Cementitious Waterproof Coatings

Bathrooms; Kitchens; Balconies; Terraces.

Waterproof Repair Mortar

Concrete repair; Basement structures; Underground facilities.

Protective Waterproof Mortar

Swimming pools; Water tanks; Exterior walls.

Try Our FREE Samples!

landu-laboratory

LANDU, cellulose Ethers Supplier from China, experience our products firsthand with a FREE sample!

  • Sample Size: 200g or 400g.
  • Shipping: Fast via FedEx or DHL.
  • Service: Expert formula adjustment support.

Packaging and Size

We package additives 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.

25Kg Bag

Packaging: 25 kg net per polypropylene woven bag with PE inner liner.

600kg Pallet

Palletizing: 600 kg per pallet. Custom volumes & delivery upon request.

Customized Packaging

We'll promptly offer professional solutions tailored toyour needs.

Why choose LANDU?

Trusted Construction Additives manufacturer for global mortar producers.

One-Stop Sourcing, Simplified

All seven essential additives from a single supplier means fewer purchase orders, simplified logistics, and consistent quality across your entire formulation. No need to coordinate multiple vendors.

Application-Driven R&D

In-house R&D center and application laboratory means we don't just sell powders — we help you optimize your formulation. If you're developing a new self-leveling compound or UHPC mix, we work with you to fine-tune the additive package.

Manufactured in Scale

Three fully automated facilities with DCS & SIS-controlled systems ensure batch-to-batch consistency — critical when your production runs 24/7. ISO 9001, REACH, and ECOVADIS certified.

Global Experience

Trusted by partners across 60+ countries. Not a startup, not a trader — a manufacturer with proven export experience and regulatory compliance for international markets.

Cellulose Ethers Additives 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.

LANDU-Wet-Abrasion-Scrub-Tester-Equipment

ISO 9001 and EU REACH certification

Explore LANDU’s trusted chemical products, exported to over 60 countries worldwide. Benefit from our extensiveexperience collaborating with multinational corporations and top-tier factories. Our independent R&D center andapplication laboratory innovate with 11 patents and 4 usage patents.
Count on us for high-quality products and customized formulations to meet diverse customer needs.

LANDU Provides:

Selecting the right additive grade is critical for waterproof mortar production. Different formulations may require different viscosity levels, water retention performance and polymer flexibility.

✓ Technical grade recommendation according to formulation requirements
✓ Stable batch-to-batch quality control
✓ COA and MSDS support
✓ Customized additive solutions for different markets

Handling Large Volume Orders

LANDU operates three major factories with an annual production capacity of 75,000 tons and extensive storage capabilities, ensuring quick delivery of large orders. Our advanced technology and equipment, including DCS quality monitoring and an automatic packing system, allow us to handle various product specifications seamlessly.

Global Shipping and Delivery Solutions

Standard products are instock, delivered directly from the factory with pre-shipment inspection and on-time shipping via CFR, CIF, or FOB within 7-14 days, depending on location.

Landercoll Other Products

Cellulose Ether

Landercoll MHEC

NOVASTAR - PCE

FAQ

Waterproof mortar formulations commonly use LANDERCOLL® HPMC/MHEC for water retention and workability improvement, combined with Accurate™ RDP for adhesion and flexibility enhancement.

Grade selection depends on mortar formulation, required water retention, viscosity range and application conditions. LANDU can recommend suitable grades based on your production requirements.

Yes. LANDU supports sample evaluation and technical communication before bulk purchasing to help customers verify product compatibility.

Customer Reviews

Procurement Manager
“Stable quality and good technical support. LANDU helped us select the right additives for our waterproof mortar production.”
Procurement Manager
“LANDU HPMC and RDP show consistent performance in our formulations. Reliable supplier with professional service.”
Procurement Manager
“Good product quality, fast communication and smooth cooperation with the LANDU team.”