What is the initial setting time for this cement?

The initial setting time is greater than 45 minutes, with a final set time of less than 10 hours.

Premium 42.5r Portland Cement for Strong, Lasting Concrete Construction Materials

Name: Premium 42.5r Portland Cement for Strong, Lasting Concrete Construction Materials
Brand: Guangzhou Changxun New Material Technology Co., Ltd.
SKU: 1984477781

Guangdong, ChinaGuangzhou Changxun New Material Technology Co., Ltd.

US$89.99

1-99 Tons

US$79.99

100+ Tons

Sample price:US$0.01/kg.Request sample

Product profile

Customization

Available

Appearance

Powder

Color

Gray

Model NO.

P. O 42.5R

Function

Wear-resistant

Type

Common Portland Cement

Strength Grade

42.5r (Rapid Hardening)

Material

Silicate Clinker 100%

Initial Setting Time

> 45 Minutes

Compressive Strength

3 Days ≥ 22.0 MPa

Application

Construction, Concrete, Road, Bridge

Transport Package

50kg/Bag Kraft Paper Bags/Other

Specification

GB175-2023 Standard, P. O 42.5R

Trademark

Origin

Guangdong China

HS Code

2517100000

Production Capacity

50000tons/Month

Key features

GB175-2023 Standard: Manufactured strictly according to rigorous national quality standards.

Moisture-Resistant Packaging: 50kg bags with high-density plastic liners prevent clumping during transit.

OEM/ODM Service: Customized formulas available to suit different local climates and standards.

Low Heat of Hydration: Reduces thermal cracking risks in large-scale structural projects.

Global Export Capability: Trusted in 80+ countries with stable supply from automated production lines.

Versatile Application: Ideal for high-rise foundations, roads, bridges, and residential renovations.

Expert Technical Support: In-house lab and senior experts provide tailored construction solutions.

Company profile

R&D CapabilitiesOEM ServicesHigh Repeat Buyers ChoiceFull Customization

Guangzhou Changxun New Material Technology Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableNearest Port: GuangZhou Nansha Port, ShenZhen Yantian PortAverage Response Time: ≤3.17hTerms of Payment: T/T, D/P, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CIF, DDP

AI-Powered supplier vetting

SummaryHuizhou Changxun New Technology Materials Co., Ltd., established in 2019, is described as a manufacturer of dry-mixed mortar, ceramic tile adhesive, and cement products. The supplier reports 3D design, ODM, OEM, and multiple customization services, as well as new-product activity during the past year. It has stated tile-adhesive production information, in-stock capability, peak-season fulfillment within 15 working days, and export experience of five years, with exports representing 71%–90% of total sales. However, certification ownership, quality assurance status, raw-material traceability, valid manufacturing-capacity contracts, and fire-drill status are not established. After-sales complaint handling has a procedure but lacks written records. The supplier reports no overseas warehouse, showroom, agent or branch, or offline trade-show participation, and its overseas-service country count is stated as zero.

Supplier typeThe supplier is explicitly described as a manufacturer specializing in dry-mixed mortar, ceramic tile adhesive, and cement products. Its stated business scope also includes technology development, new-material research and development, environmental consulting, and related product sales, indicating a manufacturing-led materials supplier with supporting technical activities.

R&D capabilityThe supplier reports new products during the past year, technology development and new-material research activities, 3D software design services, ODM capability, and OEM service for well-known brands. It lacks an available SDK, but the broader evidence explicitly supports active product and technology development.

Production capacityThe supplier identifies annual tile-adhesive production of 1,000,000 tons, reports in-stock capability, and states that peak-season orders can be fulfilled within 15 working days. It is also described as a manufacturer, although the status of a valid manufacturing-capacity contract remains unknown.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, flexible customization, 3D software design services, and ODM services. These multiple stated service modes provide direct evidence of broad customization capability.

Product Q&A

Q:How does your cement ensure structural stability compared to ordinary cement?

Our P.C 42.5R is manufactured strictly according to the GB175-2023 standard. Unlike basic general-purpose cement, our 'R-type' (Rapid Hardening) formula guarantees higher early strength. This ensures superior load-bearing capacity for beams, columns, and foundations, providing a safety margin that exceeds standard requirements.

Q:What is the main advantage of using '42.5R' cement over standard 42.5 cement?

The 'R' stands for Rapid High Early Strength. While standard cement takes longer to cure, our P.C 42.5R achieves high strength in just 3 days. This allows for faster demolding (removing formwork earlier) and accelerates your project timeline, significantly reducing labor costs and equipment rental time on-site.

Q:Cement is sensitive to moisture. How do you prevent hardening/clumping during long sea transit?

We use premium 50kg export-grade packaging featuring multi-layer kraft paper with a high-density moisture-proof plastic liner (PP/PE). Additionally, we can offer palletized shipments wrapped in heavy-duty shrink film, ensuring the cement remains dry, powdery, and active even after weeks of ocean transport in humid conditions.

Q:What is the shelf life of the cement?

Store in a dry, ventilated area, off the ground. Best used within 3 months to ensure maximum activity.

Q:What are the main advantages of this P.C 42.5R cement?

Accelerates construction schedules (allows faster demolding); Cost-effective; Low heat of hydration reduces thermal cracking risks.