Bleaching Agent For Rosin Ester

Ester Gum is a glycerol ester of gum rosin with low odor and low acid value, especially applicable to chewing/bubble gum base, beverages and flavors. It is also used as a resin modifier for film formers, elastomers, and waxes, and in various adhesives, inks, and protective coating compositions where minimum odor is a requirement.

Commodity: Sodium Hydrosulfite
Other name: Synonyms: Sodium Hydrosulphite; Sodium Dithionite; Dithionous acid, Disodium salt; Sodium Sulfoxylate
CAS No.: 7775-14-6
Molecular Weight: 174.10
Chemical Formula: Na2S2O4

Product Description
Appearance: White, crystalline powder.

Product Feature
Odor: Slight irritative.
Specific Gravity: Unavailable
Solubility: Soluble in water.
Density: 2.19
pH: 6-7
pH Test-Method: PH test paper.
% Volatiles by volume @ 21C (70F): 0
Boiling Point: Not applicable.
Melting Point: >300 C Decomposes.
Vapor Pressure (mm Hg): No information found.
Bulk Density: ~0.9
Evaporation Rate (BuAc=1): No information found.

Application
1. Widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile textile bleaching .
2. bleaching paper pulps , especially mechanical pulps, its the most fittable bleaching agent in pulps.
3. bleaching kaolin clay, fur bleaching and reductive whitening, bleaching of bamboo products and straw products,
4. in mineral, the compound of thiourea and other sulphides.
5. 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.

Packaging 50kg/100kg net in iron drums with double PVC bags

Product Specification/Models
NDEX 90%, 88%, 85%. FOOD ADDITIVE
Na2S2O4, 90%, 88%, 85%, Fe 20ppm ZincZnOther heavy metal
calculated as Pb, 1ppm
Water Insolubles05%
Shelf Life(month)12

Commodity: Sodium Metabisulphite
Molecular formula:Na2S2O5
Molecule Weight:190.10
H.S code:28321000
CAS:7681-57-4

Product Features
Appearance : White Or Light Yellow Crystal Powder
Odour: Sulfur Dioxide
Taste : Salty
Melting Poing : 150
Specific Density1.48
Ph : 4.0-4.6
Solubility : Soluble In Water ,insoluble In Alcohol

Application:
1. For industry
Mordant of printing and dyeing; Dechlorinate of textile after bleaching;
Sulphonated agent and reducer of chemical industry and pharmacy;
Bleach of paper pulp, bamboo and timber bleach of stapk; Treatment agent of waste water; Rubber solidifying agent ;Perfume industry is served as hydrocarbon perfume aldehyde ;
The hide profession employ to do to molt dose and pliable dose and wearproof dose ,The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose and so on; sewage treatment.
2.For food additive
Bleach agent (e.g.candies, cake, bamboo shoots, etc);Loose agent (e.g.bread, cracker etc);Antiseptic and germicide (e.g.fruit juice, tinned foodbrews, the cereals food is defended storage etc);Inhibitor and freshen agent (e.g.day lily, seafood, fruit and vegetable etc)

Specifications:
Na2S2O5 97% min
SO2 65% min
Fe 0.0015% max
water-Insoluble 0.01% max
As 0.0001% max
PH 4.0-4.6

Packing and Storage
Knitted bags lined polyethylene plastic bags double packaging, Weighing 25Kg/50KG/1000Kg/1200kg. Transportation-and harsh rain. Stored in a cool, ventilated, dry place.

Commodity:Sodium sulfite
Molecular Formula: Na2SO3
Molecule Weight: 126.04
Appearance: white or light yellow crystalline powder

Item Value
Top-grade First grade Qualified product
sodium sulfite (Na2SO3),% 98.0, 96.0, 93.0
Fe,% 0.003 0.005 0.02
water-Insoluble ,% water-Insoluble ,% 0.02, 0.03, 0.05
Free alkali(as Na2SO3),% 0.10, 0.40, 0.80
Sulfate(as Na2SO4),% 2.5
Chloride(as NaCl),% 0.10

Uses: used in leather and tannage, plant bleaching agent, reductant

Packing: in polythene plastic bag with a polypropylene overbag, paper-plastic composite bag, kraft bag, etc.

Net weight: 25,50,1000kilograms per bag or following your demand.

1,Name: Sodium nitrite
Molecular formula: NaNO2
Formula weght:69.00
2Property: (1) ordinary sodium nitrite: white little crystals or light yellow
 (2) dry powder sodium nitrate: white crystal,non-caking, showing loose status.
Density:2.168. No odor, slightly salty. It is liable to deliquesce, dissolved in water,soluble in liquid ammonia,slightly soluble in ethanol and glycerin,Melting Point:271. Decomposition temperature is 320. It has oxidability and also has reducibility. It will slowly be oxidized into sodium nitrate in atmosphere, it can form nitrogen compound with nitrilo at low temperatures.
3Usage:It has been widely used in making nitro-compound and azo dye, mordant of textile dyeing, bleaching agent, metal heat finishing agent, cement early strength agent, and deicing agent etc.
Note: The product should be stored in a cool, dry place to prevent it from moisture, heat and sunlight. This product can not be mixed with strong reductant, inflammable and explosive materials, food, feed and additives. â?¢ This product is toxic and should be properly kept and can not be eaten.
4 Specification: (Technical Standards:GB2367-2006)
Item Unit Molten salt G High G First G Qualified G Dry powder G
Assay % 99.3 99.0 98.5 98.0 98.5
Sodium nitrate % 0.6 0.80 1.00 1.90 0.80
Chlorides % 0.03 0.10 0.17 -- 0.1
Water insolubles % 0.02 0.05 0.06 0.10 0.06
Moisture % 1.0 1.4 2.0 2.5 0.2
Loose degree -- -- -- -- 95
5,Package: net 50kg net each in plasic woven inner plasic bag, or according to customers requirement.

Commodity:Sodium persulfate
Molecular Formula : Na2S2O8
Molecular weight : 238.13

Description
Sodium persulfate is a white,crystalline,odourless salt.It is used as initiator for the Polymerization of monomers and as a strong oxidizing agent in many applications.It has the particular advantage of being almost non - hygroscopic,of having a particularly good storage stability as a result of its extremely high purity and of being easy and safe to handle.
Transportation
Road/Rail transport : GGVS,GGVE,ADR,RID/CLASS 5.1 Sea transport : GGV Sea/IMDG code : CLASS 5.1 Page 5185,UN no.1505
Water hazards class 1(slight water hazard)
All information is given in good faith,but without warranty,since the conditions of use are outside our control. Verification by the user is recommended.Freedom from patent restriction cannot be assumed.
Package
(1) In 25kgs net multiple paper bags with one PE bag inner
(2) In 25kgs net PE bags
(3) In 25kgs net woven bags with two PE bags inner
(4) In 1000kgs net big woven bags with one PE bag inner
The above package is also with a pallet 1000kgs each.
Storage
NPS(SPS) is not combustible but assists combustion materials due to release of oxygen.Provided it is stored under appropriate condition.It must be stored dry in closed containers and protected from direct sunlight,heat and humidity.Impurities such as dirt,rust or traces of metal and reductants may cause catalytic decomposition.The product as supplied or in solution needs to be handled with appropriate care.The eye,skin and clothes must be protected when working with NPS(SPS) as damp powder or aqueous solution has a bleaching and slightly corroding effect.
Application
Polymerization : Initiator for the emulsion or solution Polymerization of acrylic monomers,vinyl acetate,vinyl chloride etc.and for the emulsion co-polymerization of styrene,acrylonitrile,butadiene etc.
Metal treatment : Treatment of metal surfaces(e.g. in the manufacture of semiconductors;
cleaning and etching of printed circuits),activation of copper and aluminium surfaces.
Cosmetics : Essential component of bleaching formulations.
Paper : modification of starch,repulping of wet - strength paper.
Textile : Desizing agent and bleach activator - particularly for cold bleaching.(i.e.bleaching of Jeans).
Others :
- Chemical synthesis
- Water treatment(decontamination)
- Waste gas treatment,oxidative degradation of harmful substances(e.g.Hg)
- Disinfectant
ITEMS SPECIFICATIONS
Appearance white crystalline salt
Assay 99.0% w/w min
Active oxygen 6.65% w/w min
Chloride and chlorate(as CL) 0.005% w/w max
Ammonia (NH4) 0.05% w/w max
Manganese(Mn) 0.0001% w/w max
Iron(Fe) 0.001% w/w max
Heavy metals(as Pb) 0.001% w/w max
Moisture 0.05% w/w max
Decomposition of the product as supplied at above 65C
Recommended storage temperature Normal Temperature
Storage stability as from date of delivery 12 months

Trichloroisocyanuric acid (TCCA) 90% Min
intro:
1. Molecular formula: C3N3O3C13
Molecular Weight: 232.44
CAS: 87-90-1
HS NO:29336922
UN NO:2468
2. Structural formula:

3. Uses:
1) water treatment: it can be used to disinfect drink water and water in swimming pool, algae-removing in circulating water.
2) Disinfection: It can be used in disinfecting dinner, food, and dishes, or used in the prophylactic disinfection of home, hotel and public place; hygiene and disease control of hospital; or used in the disinfection of silk worm, animals, birds and fish
3) Other: It can be used in anti-shrinkage finishing of wool, textile bleaching, antimoth of paper and chlorinated agent of rubber.
4. Technical Index:
Appearance: white powder/granular
Available chlorine: 90%Min
PH (1% Aq. Solution): 2.7-3.3
Moisture: 0.5% Max
Granular Size: 8-30mesh or 20-60mesh
Package: 25kg/50kg plastic drum, 50kg fiber drum.
5. Product: According to the requirements of production from customers.

Commodity: Sodium Bisulfite
Molecular Formula: NaHSO3
Molecular Weight: 104.06

Properties: White monoclinic crystalline powder with sulfur dioxide odor; relative density: 1.49; very easily soluble in water; can be decomposed when heated; slightly soluble in ethanol; aqueous solution is acidic; has strong reducing property; can be oxidized in the air or loose sulfur dioxide.

Quality Standard: HG/T3492-80
Technical Indicator High-purity grade Acrylic grade Food grade Refined grade Industrial grade 1
NaHSO3 % 99.5
Insol. in water % 0.003, 0.005, 0.03, 0.04, 0.05
Chloride(Cl) % 0.003, 0.004
Iron(Fe) % 0.001 0.002 0.005
Heavy metal(Pb) 0.001
Arsenic(As) % 0.0001
Clarity test Qualified

Use: It is used in the bleaching of cotton textiles; as reducing agent in dyes, paper-making, leather, chemical synthesis; in the manufacture of pharmaceutical intermediates, developer, food bleacher, antiseptic and anti-oxidants.

Packing: In PP woven bag lined with PE bag; paper-plastic composite bag, and kraft paper bag etc.

Net wt.: 25/50/1000 kgs/bag or upon clients' request.

APPLICATION:
1. Sodium percarbonate is an environmentally friendly,high-performance low-temperature oxygen bleaching agent , and is widely used in industry as well as in daily life .
2. Sodium percarbonate is increasingly replacing sodium perborate for uses in detergent , bleaching powder, wood floor cleaner, carpet cleaner and other household and personal care products.
3. Sodium percarbonate also has function as a disinfector , oxygenation agent , and is utilized in industrial waste water treatment, sterilization, and first-aid .
4. As oxygenation agent in aquaculture
5. As Pulp bleaching agent for the paper industry
6. As bleaching agent and dyeing agent in the textile industry