Hydroxypropyl Starch Ether (HPS) Manufacturer

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Hydroxypropyl Starch Ether for Dry Mix Mortar Applications

Novastar Hydroxypropyl Starch Ether (HPS) is a modified starch additive designed to improve workability, water retention, adhesion, and anti-sag performance in dry mix mortar formulations. It is widely used in tile adhesives, gypsum-based mortars, wall putty, and plaster renders. LANDU provides stable HPS solutions for global construction material manufacturers.

Technical Data

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

Benefits of Novastar Hydroxypropyl Starch Ether

1. Improved Workability

Provides smoother mixing and easier application, helping improve construction efficiency.

2. Enhanced Water Retention

Helps maintain moisture in cement and gypsum-based systems, supporting better hydration and reducing early drying issues.

3. Better Anti-Sag Performance

Improves the consistency of mortar formulations and helps prevent sliding during vertical application.

4. Improved Adhesion & Cohesion

Supports stronger internal bonding and more stable mortar performance.

5. Formulation Compatibility

Works effectively with cellulose ethers such as HPMC/HEMC and other dry mix mortar additives.

Experience LANDU FREE Novastar Additives Sample!

LANDU is willing to send you some free samples for your consideration. Request your FREE Additives samples today and discover their benefits.

  • Sample Size: 500g-1kg per bag.
  • Shipping: Fast door-to-door shipping.
  • Service: Expert formula adjustment support.

Novastar HPS Applications

1. Tile Adhesives

Improve mortar consistency, adhesion, and application smoothness while supporting better sag resistance.

Gypsum-Based Mortars

Enhance workability and water retention for gypsum plaster and mortar systems.

3. Wall Putty

Improve spreading performance and surface finish during application.

Dry-Mix Mortars

Support stable mixing behavior and formulation consistency.

5. Plaster Renders

Improve handling properties and reduce material segregation during construction.

Experience LANDU FREE Sample!

LANDU is willing to send you some free samples for your consideration. Request your FREE samples today and discover their benefits.

  • Sample Size: 500g-1kg per bag.
  • Shipping: Fast door-to-door shipping.
  • 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.

25 KG Bag: 0.69m*0.4m*0.18m

Available in:
500kg/Pallet (4 bags/ layer)  | 600kg/Pallet (4 bags/ layer) | Customized packaging

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.

Novastar Additives Supplier with Good Reputation

Your Trusted construction additives Manufacturer

Shandong Landu New Material Co., Ltd. is a leading enterprise dedicated to the research, development, and manufacturing of high-performance construction additives, with a strong focus on Cellulose Ether (HPMC, MHEC, HEC) and Redispersible Polymer Powder (RDP).
 
With over a decade of industry experience, we provide tailored solutions for global construction and industrial applications.

Automated Production Processes

Our highly automated production lines minimize manual labor, enabling us to scale up production quickly to meetlarge order demands. This flexibility ensures that we can adapt to varying production requirements and maintaintimely delivery.

Handle Large Volume Orders

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

Quality & Innovation-ISO 9001 and EU REACH certification

Explore LANDU’s trusted chemical products, exported to over 60 countries worldwide. Benefit from our extensive experience collaborating with multinational corporations and top-tier factories. Our independent R&D center and application 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 holds ISO 9001 and EU REACH certifications.
Landu's warehousing

Handle Large Volume Orders

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

Landu's laboratory is conducting tests.
Landu has its own factory.
LANDU-laboratories

Flexible Payment and Sufficient Supply

  • Payment Terms: Flexible options, including L/C, T/T, OA, etc.
  • Minimum Order Quantity: 1 MT
  • Packaging: 25kg/bag, 600kg/pallet
  • Annual Capacity: 4,000 Tons
  • Lead Time: 7-20 working days, depending on order volume and requirements

Global Shipping and Delivery Solutions

Standard Building Additives 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.

Construction Additive-Related Products

LANDERCOLL HEMC

Hydroxyethyl Methyl Cellulose

LANDERCOLL HEC
Hydroxyethyl Cellulose
ACCURATE RDP Powder

Redispersible Latex Powder

NOVASTAR PCE-Superplasticizer

Polycarboxylate Superplasticizer

Customer Reviews

Lisa
“We are really satisfied with the Landercoll products. Nice quality and great support all the time.”
Lukas
“Smooth cooperation throughout. The team is helpful and responsive. Will keep ordering.”
Giovanni
“Good products and pleasant cooperation. Highly recommend this supplier.”

FAQS

Do you provide free samples?

Yes, free samples are available.

Can HPS be used together with cellulose ether?

Yes. HPS is commonly combined with cellulose ethers such as HPMC and HEMC to improve the overall performance of tile adhesives, plaster mortars, and other dry mix formulations.

How do I choose a reliable Hydroxypropyl Starch Ether (HPS) supplier?

A reliable HPS supplier should provide consistent product quality, technical data support, stable production capacity, and assistance with formulation optimization. LANDU supplies construction additive solutions with professional technical support for global dry mix mortar manufacturers.

Does LANDU provide technical support for HPS applications?

Yes. LANDU provides technical support including product selection, dosage recommendations, and application guidance for manufacturers developing waterproof mortar, grout, self-leveling compounds, and other dry mix products.