What is the typical lead time for delivery?

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

What is the active content percentage?

The active content is guaranteed to be at least 70%.

What are the main applications for this retarder?

It is suitable for plaster gypsum, adhesive gypsum, gypsum filler, gypsum masonry, and gypsum self-leveling.

Gypsum Retarder with Excellent Retarding Effect and Meet The Strength Requirements

Name: Gypsum Retarder with Excellent Retarding Effect and Meet The Strength Requirements
Brand: SIDLEY CHEMICAL CO., LTD.
SKU: 2161272495

Shandong, ChinaSIDLEY CHEMICAL CO., LTD.

US$55.00

500 kg

Sample price:US$1.00/kg.Request sample

Product profile

Customization

Available

Appearance

Powder

Application Temperature Range

10℃ - 20℃

Model NO.

GR-50

Effect on Strength

High Strength Retarder

Function

Extension Concrete

Setting Time Delay

1 hour

Type

Synthetic Polymer Retarders

Storage

Dry and Cold

Purity

Transport Package

Plastic Bag

Specification

25kg/bag

Trademark

sidleychem

Origin

China

Production Capacity

500ton/Month

Key features

Excellent Retarding Effect: Adjusts setting time of gypsum and cement products without destroying later-stage strength.

High Strength Retarder: Ensures high strength retention while extending concrete setting time by approximately 1 hour.

Low Dosage Efficiency: Effective at low dosages with minimal impact on the final product strength.

Linear Dosage Control: Retardation time maintains a linear relationship with dosage for easy operational control.

Broad Compatibility: Strong adaptability allowing coexistence with various other retarders.

OEM and ODM Services: Full customization, minor customization, and flexible customization options available.

High Purity Content: Active content is guaranteed to be at least 70% with 98% purity.

Fast Lead Time: Average lead time within 15 workdays for both peak and off-peak seasons.

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.