What is your sample policy?

We can supply the free sample for testing, but customer should be give testing feedback.

How do you make our business long-term and good relationship?

1. We keep good quality and competitive price to ensure our customers benefit; 2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

Calcium Naphthalene Sulfonate Formaldehyde Water-Reducing Agent Is a Special Concrete Additive for Construction

Name: Calcium Naphthalene Sulfonate Formaldehyde Water-Reducing Agent Is a Special Concrete Additive for Construction
Brand: Shandong Xishui Building Materials Co., Ltd
SKU: 2119434342

Shandong, ChinaShandong Xishui Building Materials Co., Ltd

US$900.00

28-111 Tons

US$850.00

112-223 Tons

US$800.00

224+ Tons

Sample price:US$30.00/kg.Request sample

Product profile

Appearance

Powder

Application

Concrete Admixture, Floor Hardener, Grouting Material, Mortar Admixture, Plastering Material, Self-Leveling Compound

Chemical Composition

Naphthalene Sulfonate Formaldehyde

Model NO.

CA-NSF

Setting Time

Extended Setting Time

Type

High-range Water-reducing Agent

Water Reduction Rate

20%-30%

Color

Brown

Sodium Sulfate

Less Than 5%

pH Value

7-9

Solids Content(%)

>92

Content of Cl

0.04

So4 in 100% Dry Content,% Max

0.25

Odor

Weak

Free Formaldehyde

Yes

Transport Package

700kg or 25kg Bags

Specification

25kg/bags 625kg/bulk bags

Trademark

XISHUI

Origin

China

Production Capacity

30000tons/Year

Key features

High Water Reduction Rate: Achieves 20%-30% water reduction for stronger, more durable concrete.

Low Sodium Content: Uses calcium instead of sodium, ideal for sustainable construction.

Enhanced Workability: Improves flow and reduces drying time for plasterboard and concrete.

Early Strength Improvement: Increases early strength by 15%-40% and reduces cement usage by 10%-25%.

ISO Certified Quality: Complies with ISO 9001, 14001, 45001, and SGS third-party standards.

Flexible Customization: Supports full customization, minor adjustments, and production from samples.

Versatile Applications: Suitable for commercial, precast, high fluidity, and high-strength concrete.

Competitive Pricing: Maintains competitive prices to ensure customer benefits and long-term relationships.

Company profile

Shandong Xishui Building Materials Co., LtdShandong, 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.Export Year: 2011-02-28Nearest Port: QingdaoAverage Response Time: ≤5.10h

AI-Powered supplier vetting

SummaryThe supplier is a concrete admixture manufacturer integrating research, production, processing, and sales. It reports 15 years of export experience, six production lines, multiple high-volume admixture product capacities, and a quality assurance and after-sales system. Its R&D profile includes professional technical personnel, advanced testing equipment, new products during the past year, 3D software design, ODM, OEM for well-known brands, and broad customization services. However, no supplier management system certifications are listed, and the available evidence does not substantiate financial strength, specific customer cases, or overseas service infrastructure. The supplier also reports no SDK availability, no overseas warehouse, showroom, agents or branches, and no participation in offline trade shows.

Supplier typeThe supplier is described as specializing in researching, producing, and selling concrete admixtures, with a dedicated Concrete Admixture Production Line and multiple admixture product categories. This supports classification as a concrete admixture manufacturer and integrated production-and-sales enterprise.

After-Sales capabilityThe company reports a complete or sound quality assurance system and good after-sales service. It also has written procedures and followed records for customer complaints, corrective and preventive actions, and supplier service-capability assessment, supporting a documented after-sales and service-management process.

R&D capabilityThe supplier reports professional technical personnel, advanced testing and experimentation equipment, new products during the past year, 3D software design services, ODM capability, and OEM service for well-known brands. However, it explicitly lacks an available SDK; overall, the evidence supports substantial product and design R&D capability.

Production capacityThe supplier operates six production lines and reports substantial annual capacities across sodium naphthalene sulphonate, polycarboxylate superplasticizer, sodium/calcium lignosulfonate, sodium gluconate, and melamine water reducing agent. The order-fulfillment field is recorded as 6, but its meaning is not defined, so fulfillment performance cannot be independently assessed.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, together with 3D software design services. These statements directly demonstrate broad customization coverage.

Product Q&A

Q:What is your Product Quality Standards?

Our products comply with ISO 9000 quality certification standards and SGS certification standards.

Q:What is your terms of payment?

T/T 100%, T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance. If long term business, we can accept O/A.

Q:What is your terms of delivery?

EXW, FOB, CFR, CIF, DDU.

Q:How about your delivery time?

Generally, it will take 7 to 15 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q:Can you produce according to the samples?

Yes, we can produce by your samples or detailed requirement.