NOVASTAR™ Additives
Hydroxypropyl Starch Ether HPS Supplier
Selecting the right starch ether is critical for improving the workability and sag resistance of cement-based dry mortar systems. Novastar™ Hydroxypropyl Starch Ether is developed for tile adhesives, gypsum-based products and other construction applications where formulation stability and application performance are required.
- Advanced DCS‑controlled production for consistent quality
- ISO 9001 & EU REACH certified, exported to 60+ countries
- In‑house R&D team and lab for custom solutions
- Reliable supply chain with on‑time delivery
Buy NOVASTAR™ Additives HPS
| Item | Specification |
|---|---|
| Appearance | Fine white powder |
| pH | 8.5-11 |
| Solubility | Dissolves in cold water |
| Fineness | <350 microns |
| Viscosity | 400-12000 mPa.s (5% water solution) |
| Moisture | ≤5% |
| Hydroxypropyl substitution degree | 0.2-1.2 |
Typical Applications
Gypsum- Based Mortars
Tile Adhesives
Dry-Mix Mortars
Wall Putty & Plaster Renders
Key Benefits
Try Our FREE Samples!
LANDU, HPS 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
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.