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Contact： Allen Li
Mobile： +86-15538957008
Telephone： +86-391-8341786
Email： southstar_allen@126.com
Website：http://www.southstarchemical.com
Address： No. 178 Boyuan Road, Shanyang District, Jiaozuo, Henan.

Leather Chemicals

Sodium Sulphide

Sodium Sulphide
Model: JZBT-SS-Series
Appearance: Red/yellow Flakes
Cas No.: 1313-82-2
Hs Code: 28301010
Product Name: Sodium Sulphide
Product Categories: Metallurgy&Mineral Chemicals
Product Model: 60%min
Thin flakes, yellow or red,use in leather industry, sulphur dyestuff.
Sodium Sulphide 60% Min Flakes
Fe:5--1500ppm
Specification:

Iron content	Na2S(%)	Na2SO3(%)	Na2S2O3(%)	Na2CO3(%)	Water Insoluble(%)	color
1500ppm Max	60.0 Min	0.2 Max	0.2 Max	5.0 Max	0.4 Max	red
150ppm Max	60.0 Min	0.2 Max	0.2 Max	2.0 Max	0.2 Max	red
80ppm Max	60.0 Min	0.2 Max	0.2 Max	2.0 Max	0.2 Max	yellow
50ppm Max	60.0 Min	0.2 Max	0.2 Max	2.0 Max	0.2 Max
30ppm Max	60.0 Min	0.2 Max	0.2 Max	2.0 Max	0.05 Max
20ppm Max	60.0 Min	0.2 Max	0.2 Max	2.0 Max	0.03 Max
15ppm Max	60.0 Min	0.2 Max	0.18 Max	1.8 Max	0.03 Max
10ppm Max	60.0 Min	0.2 Max	0.18 Max	1.8 Max	0.03 Max
5ppm Max	60.0 Min	0.2 Max	0.18 Max	1.7 Max	0.02 Max

Sodium Hydrosulphide

Sodium Hydrosulphide
Model: JZBT-SH-1
Appearance: Yellow Flakes
Cas No.: 16721-80-5
Hs Code: 2830109000
Formula: NaHS
Molecular Weight: 56g
Appearance: yellow flake.
CAS NO:16721-80-5
Specification: (solid or flakes)
Purity: 70.0%Min
Sodium Sulphide: (Na2S) 0.5% Max
Sodium Sulphite: (Na2SO3) 1.5% Max
Sodium Carbonate: (Na2CO3) 1% Max
Water-insolubles: 0.005%Max
Fe: 0.003% Max.
Packing: 25kg pp bag or 900kg jumbo bag
1x20’fcl: 21mts non-palletized
18mts palletized or 900kg jumbo bag

Formic Acid

Formic Acid
Model: JBT-FA-1
Hs Code: 2915120000
CAS No.: 64-18-6
Molecular Formula: HCOOH
Appearance: Colorless and fuming inflammable liquid with a strong pungent smell.
Specifications:

ITEM	85%	90%
Color Index(Platinum-Cobalt)	20	10
Purity	85% min	90%min
Cl	0.005% max	0.003%max
SO4	0.002% max	0.001%max
Fe	0.0005% max	0.0001%max
Residue after evaporation	0.02% max	0.006%max

Uses: Mainly used in rubber, medical, printing and dyeing, tanning and chemical
Packing: 25/35/250kg drum, or IBC tank.

Sodium Formate

Sodium Formate
Model: JZBT-SF-1
Appearance: White Powder
Hs Code: 2915120000
Molecular formula: HCOONa
CAS No: 141-53-7
Appearance: The white powder.
Packing: 25kgs,40kgs,50kgs woven bag and Jumbo bag.
Application: Used in leather industry, serves as camouflage salt in the chrome tanning method, used in catalyst and stabilizer compositions, and in the printing and dyeing of textiles as a reducing agent, used as the raw material in the manufactures of sodium hydrosulphite, formic acid and oxalic acid, used as drilling fluid and completion fluid in oil field, used as road antifreeze and cement antifreeze.
Specification:

TESTING PROJECT INDEX

Main content % 98.0% min

NaOH % 0.5% max

Na₂CO₃% 1% max

NaCl % 0.2% max

Water 1.0% max
Ammonium Chloride Industrial Grade 99.5%min

Ammonium Chloride
Model: JZBT-AC-1
Appearance: White Powder
Cas No.: 12125-02-9
Hs Code: 2827109000
Ammonium Chloride Industrial Grade 99.5%min
Specification:
Main content(as dry basis): 99.5%min
Moisture: 0.7% max
Residue after burning: 0.4% max
Iron(Fe): 0.003% max
Heavy metals(as Pb): 0.001% max
PH(200g/L solution at 25 dregee): 4.0-5.8
Packing: 25kg plastic woven bag
1x20"fcl: 24mt
Boric Acid

Boric Acid
Model: JZBT-BA-1
Appearance: White Powder
Cas No.: 11113-50-1
Hs Code: 2810002000
Boric Acid 99.6%min for leather tannery
Boric acid 99.6%
State Standard: GB530-90
Content of H3BO3%: 99.6% min
B2O3: 56.5% min
Water insoluble matter: 0.01% max
Sulfate(as SO4)%: 0.10 % max
Chloride(as Cl)%: 0.05 % max
Fe%: 0.002% max
Apearance: Colourless or white odourless crystalline solid
Packing: 25kg plastic woven bag, 22MT/20'FCL
Usage: It is chemical used for making ceramics, glazes, cements, wicks, food preservatives, special glasses; Also for leather dressing compounds for preparation of hides prior to tanning; Artificial precious stones; As flux in metallurgical industry, fire-proofing compositions and linings for safes; Also for pigments; Enamel paints, paper glazes, cosmetics, soaps, textiles, medicines, etc.
Sodium Metabisulfite for leather tannery

Sodium Metabisulfite for leather tannery
Model: JZBT-SM-1
Product name: Sodiummetabisulfite
Synonyms: Sodium Pyrosulfite
CAS No.: 7681-57-4
MF: Na2S2O5
Molecular Weight:190.09
HS Code: 2832100000
Appearance: Whiteor light yellow crystalline powder
SPECIFICATION:
Na2S2O5 (%) ≥97
Fe (%) ≤0.003
WATER INSOLUBLE MATTER(%) ≤0.04
AS ≤0.0001%
PB ≤0.001%
Application:
Mordant ofprinting and dyeing;
Dechlorinate oftextile after bleaching;
Sulphonated agentand reducer of chemical industry and pharmacy;
Bleach of paperpulp, bamboo and timber; Treatment agent of waste water;
Rubber solidifyingagent;
Perfume industryis served as hydrocarbon perfume aldehyde;
The sensitize industry is served as the developing agent,reductant, the protection of fixing bath dose, and so on
Packing: 25kg net bag
1x20"fcl: 25mt

Oxalic Acid 99.6%min Industrial Grade (OA)

Oxalic Acid 99.6%min Industrial Grade (OA)
Model: JZBT-OA-1
Appearance: White Powder
Cas No.: 6153-56-6
Hs Code: 2917111000
Formula:H2C2O4.2H2O
M.W.:126.06
Grade:Technical
Description:
Colourless, odourless bright crystals, efflorescent in warm dry air, soluble in water, alcohol but insoluble in water,alcohol but insoluble in benzene, chloroform, poisonous.
Spec.:

Oxalic Acid Content	99.6%Min
Sulphate	0.08%Max
Heavy Metals(Pb2+)	0.001%Max
Ferrous(Fe3+)	0.0015%Max
Chloride(Cl-)	0.003%Max
Ignition Residue	0.08%Max

5.Package : 25kg/bag or as customer’s requests
6.Useage: Pharmaceutical industry,precipitating agent of rare earth elements, bleaching, metal and marble polish, cleanser removing stains, tanning industry, printing and dyeing catalytic agent, anti-shrinkage finishing of paper, manufacturing oxalates.

Chromium Sulphate for Leather Tannery

Chromium Sulphate for Leather Tannery
Model: JZBT-CS-1
Appearance: Green powder
Cas No.: 12336-95-7
Hs Code: 3202900000
our mateirial is an inorganically reduced Basic Chromium Sulphate complex in powder form. It is used in leather for chrome tanning of leather manufacture.
- With excellent chromium penetration characteristics.
- Provides uniform chromium oxide distribution on the cross section and the grain of the leather.
The product is dried with most sophisticated spray drier which does not allow material to be overheated. It is not toxic and has good solubility.
Physical Properties:

S.No	Description	Units	Specifications
1	Appearance	--	Fine free flowing, Dark green color powder
2	Bulk Density	g/ml	0.8 g/ml

Chemical Properties:

S.No	Description	Units	Specifications
1	Chromium Oxide Content as Cr2O3	% Min	26
2	Basicity	%	33
3	pH (10% solution)	--	3.0
4	Chromium (VI)	ppm	Nil
5	Moisture content	% Max	6
6	Water Insoluble matter	% Max	0.1
7	Fe as Fe2O3	% Max	0.1

Applications:
- Basic Chromium Sulfate is mainly used in tanning of processing leather industry or synthesis of other chromium based re-tanning agents and production of chromic compound.
- It is also used in dyeing of khaki cloth and in manufacture of chrome-based dyestuffs.
PACKAGING:
- 25 kg Kraft Paper Bags which are palletized, shrink wrapped
- 25 kg HDPE Bags with inside lamination
- 1 ton Jumbo bag with inner liner, palletized, shrink wrapped
STORAGE & HANDLING CONDITIONS:
- Store in a cool, dry, well-ventilated, out of direct sunlight
- Keep away from sunlight and heat sources
- Wash thoroughly after handling. Avoid contact with eyes. Avoid ingestion
STORAGE REQUIREMENTS:
- Keep container tightly closed when not in use. Keep out of moisture.
- When using forklift to load or lift the palletized bags, ensure that only competitive personnel are operating the forklift to avoid damage to the packing of the bags.
SAFETY PRECAUTIONS:
- Has harmful effect on skin and eye
- After contact with skin and eye wash immediately with water. Avoid breathing the dust.

Sodium Hydrosulfite

Sodium Hydrosulfite
Model: JZBT-SH-2
Appearance: White free-flow crystal powders
Cas No.: 7775-14-6, 7631-94-9
Hs Code: 28311000
Specification:

Index	90%	88%	85%	Food Additive
Na2S2O4	≥90%	≥88%	≥85%	≥85%
Fe	≤20ppm	≤20ppm	≤20ppm	≤20ppm
ZincZn	≤1ppm	≤1ppm	≤1ppm	≤1ppm
Other heavy metal calculated as Pb	≤1ppm	≤1ppm	≤1ppm	≤1ppm
Water Insolubles	≤0.05%	≤0.05%	≤0.05%	≤0.05%
Shelf Life(month)	12	12	12	12

Package:50kg/100kg net in iron drums with double inner polybags.
Usage:
1. Widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile textile bleaching .
2. It is also used in bleaching paper pulps , especially mechanical pulps, it’s the most fittable bleaching agent in pulps.
3. It is used in bleaching kaolin clay, fur bleaching and reductive whitening, bleaching of bamboo products and straw products.
4. It is used in mineral, the compound of thiourea and other sulphides.
5. It is used as reducing agent in chemical industry.
6. Sodium hydrosulfite food additive grade is used in foodstuffs, as bleaching agent and preservative dried fruits, dried vegetable, vermicelli, glucose, sugar, rock sugar, caramel, candy, liquid glucose, bamboo shoots, mushrooms and canned mushrooms.

Direct Black

Direct Dye Staff
Direct Black
Model: JZBT-DB-1
Appearance: Black Powder
Cas No.: 85631-88-5
Hs Code: 32041400
Specification:

Molecular Weight	C44H32N13Na3O11S3
Products name	Direct Black
Cas No	6473-13-8
H.S. Code	3204140000
Appearance	Black Powder
Strength	600% 1200%
Shade	Reddish,Greenish tone
Moisture%	1.5 Max
Properties	It is very soluble in water and alcohol
Use	Dyeing Cotton and Viscose Fabric.Also can dying Sik and Nylon Fabric.
Packages	25KG Iron Drums , Cartons and Woven bags

Our main products Direct Dyes includes:
Direct Sky Blue
Direct Copper Blue
Direct Yellow
Direct Orange
Direct Green
Direct Brown
Direct Bordeaux
Direct Scarlet
Direct Red
Direct Pink
Direct Black EX
Direct Turquoise Blue

Acid Dye Staff.

Acid Dye Staff.
Acid Black ATT
Model: JZBT-AB-1
Appearance: Black Powder
Cas No.: 1064-48-8
Hs Code: 3204120000
Strength: 100%
Use: usually used in dyeing leather, wool, fur, silk, paper, wood, textile, etc
Product name: Acid Black ATT
Index No.: Acid Black ATT
Appearance:
Dry Mixture: Red Brown with Metal Luster
Wet Mixture: Black Even Powder
Strength: 100%
Moisture %:≤4.0
Water Insoluble Matter %:5≤.0
Fineness (Residue On 80mesh Screen) %:≤1.0
Use: usually used in dyeing leather, wool, fur, silk, paper, wood, textile, etc

TESTING PROJECT	INDEX
Main content %	98.0% min
NaOH %	0.5% max
Na₂CO₃%	1% max
NaCl %	0.2% max
Water	1.0% max