What is the lead time for delivery?

The lead time is within 15 working days for both peak and off-peak seasons.

Is the product certified?

Yes, the product comes with ISO certification, COA, and MSDS documents.

Alum Crystal for Fire Retardant Formulations & Leather Tanning

Name: Alum Crystal for Fire Retardant Formulations & Leather Tanning
Brand: Yantai Wenxu Industrial Co., Ltd.
SKU: 2249853775

Shandong, ChinaYantai Wenxu Industrial Co., Ltd.

US$120.00-200.00

28 Tons

Sample price:US$2.00/kg.Request sample

Product profile

Customization

Available

CAS No.

10043-01-3, 10043-01-3

Formula

Al2(So4)3.18H2O, Al2(So4)3.18H2O

Model NO.

99%

EINECS

233-135-0

Certification

ISO, COA,TDS,MSDS

Purity

16-17%

Type

Aluminum Sulfate

Appearance

Powder/Granules/Flakes

Grade Standard

Industrial Grade

Certification

ISO, COA, TDS, MSDS

Type

Aluminum Sulfate

Grade Standard

Industrial Grade

Einecs

233-135-0

Purity

16-17%

Appearance

Powder/Granules/Flakes

Application

Water Treatment

HS.Code

28332200

Color

White

Iron

None

Shelf Life

24 Months

Transport Package

25kg, 50kg, 1000kg, 1200kg and 1250kg Bags

Specification

0-15mm, Size Customized

Trademark

WENXU

Origin

Shandong, China

HS Code

28332200

Production Capacity

20000 Tons/Year

Key features

Versatile Physical Forms: Supplied as Flakes, Granular, or Powder to suit different application needs.

Wide Industrial Applications: Ideal for water treatment, paper sizing, textile color fixing, and fire fighting.

Long Shelf Life: Guaranteed stability for 24 months under proper storage conditions.

ISO Certified Quality: Manufactured with ISO certification and supported by COA and MSDS documents.

Free Sample Availability: Complimentary samples provided for quality verification before bulk orders.

Flexible Packaging Options: Available in 25kg, 50kg, 1200kg, and 1250kg bags for various logistics needs.

Fast Lead Time: Standard and peak season delivery completed within 15 working days.

Company profile

Yantai Wenxu Industrial Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2015-10-01Nearest Port: Qingdao, Shanghai, NingboAverage Response Time: ≤6.88hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, CPT

AI-Powered supplier vetting

SummaryYantai Wenxu is identified as a China-based manufacturer/factory established in 2003, with chemical production, research and development, and sales integrated within the business. Its stated product portfolio includes aluminum sulfate, alum, polyaluminium chloride, calcium hydroxide, water-treatment chemicals, and related products. Evidence indicates substantial production capacity, including stated annual output of 150,000 tons overall, 30,000 tons for aluminum sulfate-series products, and 20,000 tons each for polyaluminium chloride and calcium hydroxide. The supplier reports multiple ISO-related certifications, GMP, and environmental-management credentials, as well as relevant production and hygiene-license approvals. It has exported since 2015 and reports that exports account for 51%–70% of sales. Innovation and sustainability activities are described, but evidence for after-sales service, customization, financial credibility, and specific customer cases is insufficient.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and is described as an integrated chemical enterprise covering production, research and development, and sales. Its stated founding year is 2003, supporting an established operating history.

CertificationsThe supplier reports ISO 9000, ISO 14001, ISO 9001, ISO 14000, GMP, and ISO 14064 certifications, plus ISO 9000:2008 quality-management certification, a national industrial product production license, and a Shandong drinking-water sanitation safety product hygiene approval. These are explicit indicators of quality, environmental, manufacturing, and product-compliance systems.

R&D capabilityThe supplier describes technology development, innovative solutions, research and development integration, green-chemistry efforts, and sustainability-oriented environmental and safety management. It also reports 11–20 years of total R&D-engineer experience, providing explicit support for innovation capability, although no quantified R&D investment or independently verified innovation results are provided.

Production capacityThe supplier offers a broad chemical product range and reports annual output of 150,000 tons overall, including 30,000 tons for aluminum sulfate-series products and 20,000 tons each for polyaluminium chloride and calcium hydroxide. It also reports 6–10 quality-control staff and factory facilities in Yantai, supporting substantial production and quality-control capacity.