Novastar™ — High-Performance Additives for Dry-Mix Mortar and Gypsum Applications

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About NOVASTAR™ Additives

The performance of dry-mix mortar, self-leveling compounds, and concrete depends on the additives you choose.

LANDU’s Novastar™ brand delivers all seven essential additives—PCE, SHP, Powder Defoamer, Gypsum Retarder, HPS, PVA, and Mortar Admixtures.

Manufactured in our three fully automated facilities with DCS & SIS-controlled systems.

Backed by ISO 9001, REACH, and ECOVADIS certifications. Trusted by partners across 60+ countries.

Buy NOVASTAR™ Additives

Application Recommended Additives
Self-Leveling Compounds (Cement-Based) PCE (540P/570P), Powder Defoamer, HPS
Self-Leveling Compounds (Gypsum-Based) PCE (540P), Gypsum Retarder, HPS
Grouting & Duct Grouting Mortar PCE (530P/540P), Powder Defoamer
Repair Mortar PCE (530P/540P), Powder Defoamer, PVA
Waterproof Mortar PCE (530P/540P), SHP, Powder Defoamer
Wall Putty SHP, HPS, PVA
Gypsum Plaster & Putty Gypsum Retarder (P100/P200), HPS
UHPC / 3D Printed Concrete PCE (580P/590P)
Tile Adhesives HPS, PVA

Typical Applications

Tile Adhesives

EIFS/ETICS Systems

Wall Putty/Skim Coat

Self-Leveling

Cement/Gypsum Based Mortars

Tile Grout and Joint Fillers

Waterproofing/Repair Mortars

How to Choose the Right Additive

1. PCE Selection (by application requirement)

If you need... Choose
Standard water reduction for grouting/repair mortar PCE 530P
Higher fluidity for self-leveling compounds PCE 540P
Ultra-high strength for UHPC / 3D printing PCE 580P / 590P
Flake form for faster dissolution PCE 590F / 600F

2. Powder Defoamer Selection (by system)

If your system is... Choose
Alkaline (cement-based) PB05
Neutral/Acidic PB06
Low-temperature environment PB07

3. Gypsum Retarder Selection (by application)

If you're producing... Choose
Caulking gypsum / Putty P100 / P200
Prefabricated components / Self-leveling P300 / P400

4. HPS Selection (by viscosity need)

If you need... Choose
Standard viscosity HPS with 400-12000 mPa·s range
Note: Selection based on specific formulation requirements — contact us for recommendations —

5. PVA Selection (by film-forming property)

If you need... Choose
Standard adhesion and flexibility PVA 1788
Higher viscosity for stronger binding PVA 2488

Key Benefits

Adhesion

Strong bonding across varioussubstrates

Mechanical Resistance

Stable performance under stressand deformation

Cohesion

Better internal strength and applica-tion consistency

Flexibility

Improved deformability and crackresistance

Water Resistance

Enhanced moisture resistance anddurability

Try Our FREE Samples!

landu-laboratory

LANDU, NOVASTAR™ Additives 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 NOVASTAR™ 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.

NOVASTAR™ 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.

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.

Flexible Payment and Sufficient Additives Supply

  • Payment Terms: Flexible options, including L/C, T/T, OA, etc.
  • Minimum Order Quantity: 1 MT
  • Packaging: 25kg/bag, 600kg/pallet
  • Annual Capacity: 7500 Tons
  • Lead Time: 7-20 working days, depending on order volume and requirements

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 thefactory with pre-shipmentinspection 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

  • 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 EU REACH regulations. CoA provided with every batch.

We operate three production bases with 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.

Customer Reviews

Procurement Manager, Spain
"No more sagging. Landu MHEC keeps tiles firmly in place on walls."
Formulation Chemist, Poland
"Great water retention and workability. We switched and never looked back."
CEO, Turkey
“No clumps, dissolves fast in cold water. Just what our production line needed.”