Gypsum Retarder Manufacturer

Gypsum Retarder for Gypsum-Based Construction Materials

Novastar Gypsum Retarder is a functional additive designed to control the setting time of gypsum-based materials. It provides manufacturers with a longer working time, improved application flexibility, and more consistent performance in gypsum plaster, board compounds, gypsum putty, and self-leveling systems.

LANDU supplies reliable gypsum additive solutions for global construction material producers.

Technical Data

Grade		P100	P200	P300	P400
Specification	Appearance	Light yellow powder
	Moisture Content	≤3%
	Bulk Density (g/L)	800-1,000	800-1,000	500-800	400-700
Application	Caulking Gypsum	●●	●●	●●	●●
	Prefabricated Gypsum Components	●●	●●	●●	●●
	Gypsum Putty	●●	●●	●●	●●
	Gypsum Plaster	●●	●●	●●	●●
	Gypsum Based Self Leveling	●●	●●	●●	●●
	Other applications of Gypsum Product	●●	●●	●●	●●

Benefits of Novastar Gypsum Retarder

1. Controlled Setting Time

Provides predictable setting control, allowing manufacturers to adjust working time according to different gypsum formulations.

2. Improved Workability

Extends application time and supports smoother mixing, spreading, and finishing processes.

3. Reduced Material Waste

Helps prevent premature setting, reducing material loss during production and construction.

4. Consistent Product Performance

Supports stable formulation performance across different batches and production conditions.

5. Broad Application Compatibility

Suitable for various gypsum-based products, including plaster, putty, board compounds, and self-leveling systems.

6. Easy Formulation Integration

Can be incorporated into existing gypsum formulations together with other dry mix 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 Gypsum Retarder Applications

1. Gypsum Plaster

Control setting time and provide sufficient working time for smooth application and finishing.

2. Gypsum Board Compounds

Improve application flexibility and help maintain consistent processing performance.

3. Gypsum Putty

Support better workability and reduce premature setting during construction.

4. Gypsum-Based Self-Leveling Compounds

Help optimize setting behavior for easier installation and surface leveling.

5. Prefabricated Gypsum Components

Provide stable setting control for gypsum-based production processes.

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.

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600kg Pallet

Palletizing: 600 kg per pallet. Custom volumes & delivery upon request.

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Customized Packaging

We'll promptly offer professional solutions tailored toyour needs.

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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.

Handle Large Volume Orders

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.

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NOVASTAR PCE-Superplasticizer

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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.

How do I select the right Gypsum Retarder grade?

The suitable grade depends on gypsum type, formulation requirements, target setting time, and production process. LANDU provides technical support for grade selection and application optimization.

How do I choose a reliable Gypsum Retarder Additives supplier?

A reliable 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 Gypsum Retarder Additives 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.