Hydroxypropyl Starch Ether Manufacturer
About NOVASTAR™ HPS
Novastar™ HPS (Hydroxypropyl Starch Ether) improves water retention, workability, and adhesion in cement and gypsum-based dry-mix mortars. Poor water retention leads to premature drying, cracking, and weak bonding. This starch-based additive keeps the mix workable longer and reduces sagging—at a lower cost than cellulose ethers.
Manufactured by LANDU under the Novastar™ brand. With ISO and REACH certification. Trusted by partners in 60+ countries.
- Advanced DCS‑controlled production for consistent quality
- In‑house R&D team and lab for custom solutions
- Reliable supply chain with on‑time delivery
Buy NOVASTAR™ Additives Hydroxypropyl Starch Ether
| Appearance | PH | Solubility | Fineness | Viscosity | Moisture | Hydroxypropyl substitution degree |
|---|---|---|---|---|---|---|
| Fine white powder | 8.5-11 | It dissolves in cold water | <350 microns | 400-120000 m.Pas (5% water solution) | <5% | 0.2-1.2 |
HPS Typical Applications
Key Benefits
Enhances water retention
Improves workability
Reduces segregation
Enhances adhesion
Increases open time
Try Our FREE Samples!
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.
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
Global Shipping and Delivery Solutions
Landercoll Other Products
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.
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.
