What is the moisture content limit?

The moisture content is limited to 5.0% for BR variants and 6.0% for B variants.

What are the main export ports?

Our nearest ports are Qingdao Port and Shanghai Port in China.

Denim Dyeing

Name: Powder Dye Sulphur Black /Cotton Dyeing/Denim Dyeing
Brand: Henan Premtec Enterprise Corporation
SKU: 1997601322

Henan, ChinaHenan Premtec Enterprise Corporation

US$1,189.00

1-19 Tons

US$1,050.00

20+ Tons

Sample price:US$0.00/500g.Request sample

Product profile

Customization

Available

CAS No.

1326-82-5

Formula

C6h4n2o5

Model NO.

200% 220% 240%

EINECS

215-44-2

Colour

Black

Appearance

Granule

Usage

Textile

Application Material

Textile

Type

Synthetic

Solubility

Varieties

Sulphur Black Br

Production Method

Boiling Method

Name

Sulphur Black B/Br/2br

Other Name

Sulfur Black B/Br/2br

C.I.

Sulphur Black 1

C.I.No.

C.I. 53185

Dye Type

Sulphur Dye

Application

Textile Dyestuffs

Quality Standard

Hg/T3427-2001

Color

Same as Standard

Strength

200%;220%;240% etc

Moisture

2.9% Max

Degree of Fineness

3% Max

Free Sulphur

0.31%

Sample

Available

Loading Quantity

28mt Max/40'fcl

Storage

Cool and Dry Place

Transport Package

25kg Bags or Customized Package

Specification

25kg net/bag

Trademark

premtec

Origin

China

HS Code

3204191100

Production Capacity

2000 Ton Per Year

Key features

High Strength Options: Available in 200%, 220%, and 240% strength variants for different dyeing needs.

Versatile Application: Suitable for dyeing cotton, cambric, viscose, and vinylon fabrics.

Cost-Effective Solution: Sulfur dyes are the most commonly used and affordable dyes for cotton.

Excellent Wash Fastness: Provides good wash fastness properties for durable textile coloring.

Easy Application Process: Simple to apply using sodium sulfide bath for cotton absorption.

Customized Packaging: Available in 25kg fiber drums, iron drums, or customized packaging.

Standard Quality Compliance: Meets Hg/T3427-2001 quality standard for textile dyestuffs.

Bright Black Appearance: Features bright black flake or grain form with insoluble properties.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceR&D CapabilitiesProduct Certification

Henan Premtec Enterprise Corporation

Henan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2006-08-30Nearest Port: QINGDAO PORT,CHINA, SHANGHAI PORT,CHINAAverage Response Time: ≤1.60hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DAP

AI-Powered supplier vetting

SummaryThe supplier is a small Zhengzhou-based trading company with seven employees and a valid import/export license. It has one R&D engineer and offers several forms of customization, including sample-, design-, full-, minor-, and flexible customization. However, it does not provide 3D software design or SDKs, launched no new products in the past year, and has no stated inventory, overseas warehouse, overseas showroom, overseas agents, or branches. Export sales account for 90% of total sales, and the supplier has participated in the Canton Fair. Quality traceability status, manufacturing-capacity contract status, trade volume, certification holdings, and customer cases are not provided. Service quotations can use FOB, CIF, CFR, and EXW, with stated lead times within 15 working days in both peak and off-season; written service procedures exist, but no records are available.

Supplier typeThe supplier is identified as a limited company and trading company located in Zhengzhou, with no larger-company affiliation reported. Its associated-company industry is wholesale and retail, and it holds a valid import/export license, indicating a trading-oriented rather than manufacturing-oriented profile.

R&D capabilityThe supplier has one R&D engineer whose duties include technical support and new product development, but it launched no new products in the past year. It also reports no professional technical-supplier R&D capability, no 3D software design service, and no available SDK, indicating limited documented innovation resources.

Production capacityThe supplier reports zero quality-control test equipment, no in-stock service capacity, and an unknown manufacturing-capacity contract status. Although it reports eight qualified suppliers for service capability and lead times within 15 working days, the evidence does not demonstrate direct production capacity and includes explicit capability limitations.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. These stated service options provide direct evidence of broad customization capability, although no supporting production or design-system details are provided.