menadione sodium bisulfite
1.Sodium Metabisulfite Factory direct sales
2.Package:in 25kg/50kg big bag
3. best quality at competitive price
4. best after-sales service
Detailed Product Description
97%,97.2% ,98%Industrial Grade Sodium Metabisulfite
1.Color:light yellow or white fine crystal
2.Purity: 97%,97.2% ,98%
3.Packing:25kg/50kg bag or pallet avaliable.
99.3% Industrial Grade Sodium Metabisulfite
Property: white or light yellow crystal powder, a strong smell of sulfur dioxide,
relative density is 1.4, easy to dissolve in water and glycerin, water solution.
It has acidity,and its solubility will become large while raising the temperature
and is less to dissolve in ethanol.
Appearance : White Free Flowing Fine Crystal or Powder
Packing: Packed in 25kg plastic woven bag, 25kg Kraft paper bag, 25kg PE bag,
500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer's requirement.
Specification For Food Grade and Industry Grade :
Purity ( As Na2S2O5)
Sulfur Dioxide( SO2)
Arsenic ( As )
Heavy metals ( As Pb )
Selenium (Se )
PH value :
Conformed with FCC V and E 223 Standard
Specification for Pharmaceutical Grade and Photo Grade :
Thiosulphate ( As S2O3) :
0.05 % max
Chloride ( As CL-) :
30 ppm max
Arsenic ( As ) :
Lead ( Pb ) :
1 ppm max
Copper (Cu) :
Iron (Fe ) :
5 ppm max
Mercury (Hg) :
Chromium (Cr) :
Selenium (Se ) :
Cadmium (Cd )
Na2SO3 + Na2SO4
Conformed with USP standard
(1) Food Grade: Bleach agent (e.g. candies, cake, bamboo shoots, etc); Loose agent (e.g. bread, cracker etc); Antiseptic and germicide (e.g. fruit juice, tinned food, brews, the cereals food is defended storage etc); Inhibitor and freshen agent (e.g. day lily, seafood, fruit and vegetable etc).
(2) Industry Grade: 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 Stap; Treatment agent of waste water; Rubber solidifying agent Perfume industry is served as hydro carbon perfume aldehyde The hide profession employ to do to molt dose and pliable dose and wearproof dose; sewage treatment, and so on .
(3) Pharmaceutical Grade: In chemical synthesis in the production of acrylic fibre, vitamin K, vitamin A, pharmaceutical intermediates, etc.
(4) Photo Grade: The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose.
Packaging & Shipping
1kg/Aluminum foil bag
1kg/ Aluminium Tin
25kg/ Aluminum Drum
Usually within 2 working days after confirming the payment.
DHL; TNT; UPS or EMS