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Natural paper gum is used by paper manufacturers using conventional
raw-materials and for recycled paper as wet end additives.
DESCRIPTION
| Constitution |
Mannogalactan Derivatives |
| Appearance |
Creamish fine powder |
| Preservation |
Preservative added to avoid fungus and decomposition of paste and
powder |
| Solubility |
Cold water soluble |
PROPERTIES
| Paste percent |
1 Kg. powder - 99 Kg. water (Prepared at 80
° C) |
| pH |
Neutral (7 + 0.5) |
| Moisture |
13% |
| Ash Content |
10% |
| Viscosity of 1% paste at room temperature after heating 80
°C. |
300 - 340 cps
(by Brook field Viscometer Model RVT) |
| Compatibility with other thickeners |
Good with thickeners except Crystal gum and gum
arabic. It coagulates with Borax in alkaline conditions. |
CHARACTERISTICS
Natural paper gum provides
- Improvement in paper strength
- Improvement in printability
- Reduction in dusting and lilting
- Better sheet formation and fibre distribution
Can be used on Hand screen printing, Flat bed & Rotary Printing machines.
PREPARATION
Preparation of gum paste
Natural paper gum is made in solution of 1% consistency in
water at room temperature under high speed stirrer and then heated to 80
° C. for 15-20 minutes so that the solution is ready after it
cools. It is then added to the pulp at convenient point at fan
pump, head box or at stock gate before the formation of paper.
PACKAGING
25 Kg. laminated paper
bags.
STORAGE
Sealed bag under normal condition for 6 months.
(All the above details have been given in good faith but without warranty)
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