Paper Pulp Bleaching Chemical for Brightness Improvement Process Sodium Hydrosulfite

Name: Paper Pulp Bleaching Chemical for Brightness Improvement Process Sodium Hydrosulfite
Brand: Shenyang Xingzhenghe Chemical Co., Ltd.
SKU: 1976558301

Liaoning, ChinaShenyang Xingzhenghe Chemical Co., Ltd.

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

Available

CAS No.

7775-14-6

Formula

Na2s2o4

Model NO.

Sodium Hydrosulfite

EINECS

231-890-0

Certification

ISO

Purity

80%~90%

Type

Sodium Hydrosulfite

Appearance

Powder

Grade Standard

Industrial Grade

Product Appearance

White Crystalline Powder

Odor

Odorless or Slight Sulfur Dioxide Odor

Relative Density (Water = 1)

2.3-2.4

Bulk Density

0.9-1.2 G/Cm³

Auto-Ignition Temperature

250 Celsius Degree

Main Content

≥ 85% - 88%

Sulfate (as So4)

≤ 2.5%

Water Content

≤ 0.5%

Particle Size

> 100 μm: ≤ 5%

Heavy Metals (as Pb)

≤ 10 Ppm

Solubility

Readily Soluble in Water; Insoluble in Alcohol

Stability

Stable in Dry, Sealed Containers

MOQ

18 Ton

Trade Term

EXW/Fob/CFR/CIF

Lead Time

10 to 15 Days After Order Confirmation

Transport Package

15kg/25kg/50kg/100kg Drum/Bag

Specification

Sodium Hydrosulfite 88%

Trademark

XZH

Origin

China

HS Code

2831101000

Production Capacity

50000t/Year

Key features

Versatile Bleaching Agent: Essential for textile vat dyeing, paper pulp bleaching, and food preservation, acting as a potent reducing agent.

Flexible Customization: Offers flexible customization including minor adjustments, design-based, and sample-based customization options.

Global Export Experience: 16 years of export experience with established channels to Europe, Southeast Asia, Middle East, and North America.

Secure Payment Terms: Supports T/T and Irrevocable L/C at sight, ensuring secure transactions for both buyers and sellers.

Professional Technical Support: Provides application testing, process optimization, and tailored formulation development for regional specifications.

Strict Quality Compliance: ISO certified and compliant with GB 22215/GB2760 standards for food-grade applications and safety.

Reliable Supply Chain: Backed by regional branches in major Chinese cities with modern logistics facilities for agile supply.

Company profile

Years of Export ExperienceExperienced TeamExhibition ExperienceFast Delivery

Shenyang Xingzhenghe Chemical Co., Ltd.

Liaoning, China

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.