Revolutionizing construction with plant-based, high-performance solutions for sustainable mortar applications.
Plant-based materials
Eco-friendly formula
Superior quality
Molecular Innovation for High‑Performance Construction Additives
Prevents sagging and increases yield value
Balances retention for better cohesion and smoothness
Ensures even distribution for consistent rheology
Creates protective barriers that resist micro‑cracking
Landu's advanced molecular design creates a dense network that enhances multiple aspects of mortar performance
Engineered grades for high‑value construction performance — covering viscosities from 100 to 5000 mPa·s, meeting the precise requirements of gypsum‑, cement‑, and polymer‑based systems. All grades maintain optimum stability in pH 4.0–8.5.
Novastar™ Series — Hydroxypropyl Starch Ether Additives
Our HPS series additives are custom-engineered to optimize workability, adhesion, and sustainability across modern mortar formulations — delivering precision performance for every construction application.
Driven by Nature. Designed for the Future of Green Construction.
Landu practices sustainability through every step of our HPS production — from field to formula. Our Hydroxypropyl Starch Ether supports green building initiatives worldwide, helping construction professionals meet the highest environmental standards without compromising performance.
Sourced entirely from renewable botanical crops — pure origin, zero synthetic base.
Breaks down naturally in soil and water, leaving no lasting environmental trace.
Zero plasticizers, zero harmful additives. Clean chemistry for people and planet.
Energy-efficient systems minimize emissions at every stage of manufacturing.
Trusted by formulators and contractors committed to sustainable, high-performance construction.
Novastar™ Hydroxypropyl Starch Ether — engineered for performance, built for reliability.
Eight grades serving economy to premium applications — one trusted source for your entire formulation portfolio.
8 Grades · Economy → Premium
Experienced R&D and formulation support team ready to co-develop solutions tailored to your specific system requirements.
R&D · Formulation Support
ISO certified processes and strict QC protocols at every production stage — consistent batch-to-batch performance guaranteed.
ISO Certified · Strict QC
Wide performance window to match any mortar system — from lightweight putty to heavy-duty bonding mortars.
100–5000 mPa·s · pH 4.0–8.5
Consistent availability and rapid response times — ensuring your production line never faces unexpected material shortages.
Consistent · Rapid Response
Products aligned with global green building standards — supporting LEED, BREEAM, and sustainable construction certifications.
LEED · BREEAM · Green Standards