RONGALITE

Rongalite lump, Rongalite powder are of a sort but in different forms, their chemical composition is all the same. Three types of Rongalite product are supplied to meet customer’s demand in application.

Propeties:

Chemical name: Sodium Formaldehyde Sulfoxylate

Commercial name: Rongalite

Molecular formula:NaHSO₂CH₂O2H₂O

Mloleculare Weight: 154.12

Specific Gravity: 1.8

Melting Point: 64℃

Heat of Fusion: 54.84KJ/MOL(13.2KCAL/MOL)

Hygroscopic point: Relative Humidity 60%

Stable pour-point: 50℃max

Solubility: 45%(20℃):1.2 dose of water is necessary for dissolving away 1 dose of Rongalite at 20℃

50%(70℃):1 dose of water is necessary for dissolving away 1 dose of Rongalite at 70℃.

Physical Properties:

To be nominated for rongalite is for the reason that it serves the color-discharging function to fabrics as well as its appearance. Under different cooling conditions, it solidifies out into white lumps or powder.

Standard:

Content of NaHSO₂CH₂O   98%min.

State of solubelness   Water solution clear or microturbid

Sulphide               No presence of black is allowed

Smell                No smell or a little leek.

Purpose:

It is mainly used as a discharging agent, reductant in printing and dyeing industry, as an activating agent for production styrene-butadise rubber and synthetic resin, also be used to decolourize and bleach some organic matters. For example: as a bleaching agent in synthetic rubber etc. it may be substituted for the sodium hydrosulfite in some special conditions.

Packing:

In plastic bag-lined iron drum sealed with airtight lid, net weight:50kgs each.

Attention:

Should be stored in a dry, cool and dark place, protected from Moisture, avoided exposure to direct sunshine, don’t let it be rained on. Be sure not to store it together with oxidant and acid, no presence of acidic vapour in storeroom is allowed. Storage life is one year