What is the typical lead time for delivery?

The average lead time is within 15 workdays for both peak and off-season periods.

What payment terms are accepted?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) as payment terms.

Is OEM and ODM service available?

Yes, both OEM and ODM services are available for this product.

Gypsum Retarder Key Advantages Include Retarding Setting Time with Minimal Strength Loss, Alongside Being Environmentally Friendly

Name: Gypsum Retarder Key Advantages Include Retarding Setting Time with Minimal Strength Loss, Alongside Being Environmentally Friendly
Brand: SIDLEY CHEMICAL CO., LTD.
SKU: 2271314395

Shandong, ChinaSIDLEY CHEMICAL CO., LTD.

US$1.40

500 kg

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Appearance

Powder

Application Temperature Range

0-35

Model NO.

Gypsum retarder

Effect on Strength

High Strength Retarder

Function

Delayed Setting Time, Extension Concrete, Prevent Cold Seam, High Retardation Effect

Setting Time Delay

3 hours

Type

Organic Compound Retarders

Particle Size

≤5%

Bulk Density/(G/L)

600±100

pH

10~13

Active Content,%

≥70

Transport Package

Nylon Bag with an Inner Membrane

Specification

25 kg/bag

Trademark

Sidley

Origin

China

HS Code

2918120000

Production Capacity

5000000/Year

Key features

Minimal Strength Loss: Retards setting time while maintaining high concrete strength.

Environmentally Friendly: Safe organic compound retarder for sustainable construction.

Prevents Cold Seams: Extends concrete setting time to prevent cold joint formation.

High Retardation Effect: Delays setting time by up to 3 hours effectively.

Low Dosage Required: Excellent retarding effect achieved with minimal product usage.

Customizable Options: Offers full, minor, and flexible customization from samples or designs.

Professional R&D Support: Expert team with 20+ years experience assists in formulation optimization.

Strict Quality Control: 100% function inspection ensures consistent product quality.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

SIDLEY CHEMICAL CO., LTD.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 21 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤6.47h

AI-Powered supplier vetting

SummarySIDLEY CHEMICAL CO., LTD. is a Chinese limited company established in 2005, operating in Shandong and focused on construction chemicals. The supplier reports customization and ODM capabilities, recent new-product development, OEM service for well-known brands, and documented procedures for supplier service capability, corrective and preventive actions, and customer complaints. Production information indicates two production lines and substantial stated capacities across cellulose products, redispersible polymer powder, and calcium formate, although the reported capacity figures differ between slices. Overseas service support includes agents or branches and participation in the Eurocoat Exhibition, but no overseas warehouse or showroom is reported. Financial records are identified for 2023–2025, but no usable financial performance details are provided. A BV audit is listed with validity from April 20, 2026 to April 19, 2027 and an evaluation result of 0; the meaning of this result is not explained.

Supplier typeThe supplier is identified as a combined company and a limited company, with its headquarters and operations in Linyi, Shandong, China. It is not identified as an offshore company.

After-Sales capabilityThe supplier reports written procedures and records for service capability assessment, corrective and preventive actions, and effective customer-complaint handling. It also supports overseas services through agents or branches and offers service coverage in Pakistan, but it has no overseas warehouse or showroom.

R&D capabilityThe supplier states that it developed new products during the past year and provides ODM services, while reporting four R&D engineers. It does not have an available SDK, but the available evidence supports product-development capability.

Production capacityThe supplier operates two production lines and reports product capacities including 10,000 tons each for RDP, HEC, and sodium carboxymethyl cellulose, 30,000 tons for calcium formate, and 20,000 tons for HPMC. A separate company description reports different annual capacities for several products, so production capability is evidenced but the figures are not fully consistent.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM service availability, demonstrating broad stated customization coverage.

Product Q&A

Q:What is the main function of this gypsum retarder?

It delays the setting time of gypsum plaster and adhesive, extends concrete workability, prevents cold seams, and provides a high retardation effect with minimal strength loss.

Q:What is the active content percentage?

The active content is guaranteed to be greater than or equal to 70%.

Q:What is the minimum order quantity?

The minimum order quantity is 500 Kgs.

Q:What are the available customization options?

We offer full customization, minor customization, flexible customization, customization from samples, and customization from designs.

Q:What is the packaging specification?

The product is packaged in 25 kg or 55 lb paper bags.