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Competitive Price Sodium Hydrosulfite for Paper Pulp Brightening
US$1,300.00
22-49 Tons
US$1,250.00
50-99 Tons
US$1,200.00
100+ Tons
Sample price:US$50.00/kg.Request sample
Product profile
Customization
AvailableCAS No.
7775-14-6Formula
Na2s2o4Model NO.
Sodium HydrosulfiteEINECS
231-890-0Certification
ISOPurity
80%~90%Type
Sodium HydrosulfiteAppearance
PowderGrade Standard
Industrial GradeProduct Appearance
White Crystalline PowderOdor
Odorless or Slight Sulfur Dioxide OdorRelative Density (Water = 1)
2.3-2.4Bulk Density
0.9-1.2 G/Cm³Auto-Ignition Temperature
250 Celsius DegreeMain Content
≥ 85% - 88%Sulfate (as So4)
≤ 2.5%Water Content
≤ 0.5%Particle Size
> 100 μm: ≤ 5%Heavy Metals (as Pb)
≤ 10 PpmSolubility
Readily Soluble in Water; Insoluble in AlcoholStability
Stable in Dry, Sealed ContainersMOQ
18 TonTrade Term
EXW/Fob/CFR/CIFLead Time
10 to 15 Days After Order ConfirmationTransport Package
15kg/25kg/50kg/100kg Drum/BagSpecification
Sodium Hydrosulfite 88%Trademark
XZHOrigin
ChinaHS Code
2831101000Production Capacity
50000t/YearKey features
High Purity Industrial Grade: Purity ranges from 80% to 90%, meeting strict industrial grade standards for consistent performance.
Versatile Bleaching Agent: Essential for bleaching wood pulp, deinking recycled paper, and textile vat dye reduction.
Strong Reducing Power: Potent inorganic reducing agent (Na2S2O4) effective for dye stripping and chemical synthesis.
Food Grade Application: Used as preservative and antioxidant in dried fruits and vegetables, complying with GB 22215.
Flexible Customization: Offers flexible customization, minor customization, and customization from designs or samples.
Secure Packaging: Packed in sealed iron drums with double-layer inner plastic bags for stability and safety.
Global Export Experience: 16 years of export experience with established channels to Asia, Middle East, and North America.
Company profile
CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 16 Years CertifiedNearest Port: Dalian PortAverage Response Time: ≤2.23h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryThe supplier is identified as a factory and limited company in Shenyang, with five employees and a wholesale and retail industry classification. It holds a valid import and export license, has 16 years of export experience, and offers multiple trade terms. Customization services are available, including customization from designs and samples, while OEM services for well-known brands are reported. However, the supplier reports no new products in the past year, no ODM service, no SDK availability, and no overseas warehouses, showrooms, agents, branches, or offline trade-show participation. Service-management documentation is incomplete: procedures for assessment exist, but there are no approved-supplier lists, corrective/preventive-action procedures, or written complaint-handling procedures. Certification holdings, production scale, financial credibility, and customer cases are not sufficiently evidenced. No financial figures are included.
Supplier typeThe supplier is explicitly described as a factory and a limited company located in Shenyang, with five employees and no associated company group. Its stated industry classification is wholesale and retail, while its business scope includes building ceramics, fertilizers, daily goods, chemicals, disinfectants, machinery, and office products.
After-Sales capabilityThe supplier has written procedures and records for assessing service capability and reports a one-month average lead time in both peak and off-season periods. However, it has no written corrective/preventive-action procedures or customer-complaint handling procedures, and it reports no overseas warehouse, showroom, agent, branch, or offline trade-show experience.
R&D capabilityThe supplier reports no available SDK, no new products in the past year, and no ODM service. It does report one internationally recognized design award, but the broader evidence indicates limited demonstrated recent innovation capability.
Customization capabilityThe supplier explicitly offers flexible customization, minor customization, customization from designs, and customization from samples. It also provides OEM services for well-known brands, although it does not provide ODM services.
Product Q&A
Q:What are the primary applications of this chemical?
A:
It is primarily used as a reducing and bleaching agent in the textile industry (vat dyeing), paper industry (pulp bleaching), and as a preservative in food-grade applications.
Q:How should the product be stored and transported?
A:
Store in cool, dry, sealed containers away from moisture, heat, acids, and oxidizers. Transport in covered vehicles to avoid damage and exposure to rain or sunlight.
Q:What are the payment terms and trade terms offered?
A:
We accept T/T and L/C (Irrevocable at sight). Trade terms include EXW, FOB, CFR, and CIF, allowing flexibility for international transactions.
Q:What is the minimum order quantity (MOQ)?
A:
The MOQ is 18 Tons for standard orders. However, the company profile also mentions a minimum order quantity of 25 Kg for specific contexts.
Q:Can you provide samples for testing?
A:
Yes, samples can be provided upon request. Non-DG samples are usually sent via courier, while DG samples are shipped via certified air/sea freight with proper documentation.
Send Inquiry
*To:
Shenyang Xingzhenghe Chemical Co., Ltd.
Shenyang Xingzhenghe Chemical Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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