What payment terms are accepted?

We accept LC, T/T, Western Union, and small-amount payments.

Is sample availability supported?

Yes, samples are available for quality verification before bulk orders.

What is the shelf life of the product?

The product has a shelf life of 2 years when stored properly.

Industrial Grade Solid Sodium Metabisulphite (Na2s2o5) 97% for S. America Paper & Mining Leaching

Name: Industrial Grade Solid Sodium Metabisulphite (Na2s2o5) 97% for S. America Paper & Mining Leaching
Brand: Yantai Wenxu Industrial Co., Ltd.
SKU: 2026306235

Shandong, ChinaYantai Wenxu Industrial Co., Ltd.

US$300.00-400.00

10 Tons

Sample price:US$1.00/kg.Request sample

Product profile

Customization

Available

CAS No.

7681-57-4, 7681-57-4

Formula

Na2s2o5, Na2s2o5

Model NO.

SMBS

EINECS

231-673-0

Certification

ISO

Purity

97.0%Min

Type

Sodium Metabisulfite

Appearance

Powder

Grade Standard

Industrial Grade

Certification

ISO

Type

Sodium Sulfate

Appearance

Powder

Einecs

231-673-0

Purity

96%-97%

Grade Standard

Industrial Grade, Food Grade

Other Name

Sodium Metabisulfite, Sodium Pyrosulfite, Smbs

Loading Quantity

20-28mts for 1*20'gp

Shelf Life

2 Years

Application

Food/Industry

Transport Package

25kg/ 50kg/ 1250kg/1300 Bags

Specification

Size Customized

Trademark

WENXU

Origin

Shandong, China

HS Code

2832100000

Production Capacity

5000tons Per Year

Key features

High Purity Guarantee: Industrial grade purity reaches 97.18% content, exceeding the 95% standard requirement.

Wide Industrial Application: Suitable for food preservation, paper bleaching, mining leaching, and wastewater treatment.

Certified Quality: Products are certified with ISO, MSDS, and COA for safety and quality assurance.

Flexible Packaging: Available in 25KG bags or 1300KG bulk bags, with 20-28MTS loading per 20'FCL.

Fast Delivery: Average lead time is within 15 workdays for both peak and off-season periods.

Versatile Functionality: Acts as preservative, antioxidant, bleaching agent, and catalyst in various industries.

Global Export Experience: Exporting since 2015 to North America, South America, Europe, Asia, and Africa.

Company profile

Yantai Wenxu Industrial Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2015-10-01Nearest Port: Qingdao, Shanghai, NingboAverage Response Time: ≤6.06hTerms 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.

Product Q&A

Q:What is the purity level of the industrial grade sodium metabisulfite?

The industrial grade product has a minimum purity of 95%, with actual testing results showing content up to 97.18%.

Q:What are the main applications of this product?

It is widely used in the food industry as a preservative and antioxidant, in paper and textile industries as a bleaching agent, and in mining and wastewater treatment.

Q:What certifications are provided with the product?

We provide ISO, MSDS, and COA certifications to ensure product quality and safety standards.

Q:What is the packaging and loading quantity?

Packaging is available in 25KG bags or 1300KG bulk bags. A 20'FCL can load 20-28MTS.

Q:What is the lead time for orders?

The average lead time is within 15 workdays, regardless of whether it is peak season or off-season.