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Corrugation and Pasting Gum

Pasting and Corrugation Gum powder are used for the manufacture of Corrugated Box Manufacturing. The process and raw material used in the manufacture of Pasting Gum Powder as well as Corrugation Gum are the same as mentioned in Dextrin. The heating process of cold changes from high to moderate to maintain the viscosity.

Pasting Gum powder is available in two different Grades :

Hot Process and Cold Process. In Hot process the powder has to be cooked with recommended ratio in water up to 800 C to prepare the gum. The hot gum are highly recommended to use for the manufacture of corrugated boxes to get the better strength of boxes. Due to high cost of electricity and time consuming the Pasting Gum has been converted from Hot process to cold process.

In Cold Process this Gum is being prepared by adding caustic solution in the mixture of starch with cold water and getting ready in a small period of time. Even the PH value is high in this gum, manufactures preferred the same for fast production and reduction of manufacturing cost. Corrugation Gum Powder is made from raw starch or cooked starch. The Mixer of starch with cold water and caustic solution prepare the gum. Some catalysts are added to increase the strength of boxes.

 Specifications :
 Description : Off White Powder
 Ratio : 1 : 4
 Partical Size : 80% pass through 80 Mesh
 Moisture Content : 8-9% Max
 Ash Content : 5-7% Max
 Viscosity : 35 to 45 seconds (measure in B4 cup)
 PH : 7.5 – 11.0
 Paste Clarity : Opaque
 Delamination : No
 Fermentation : No
 Toxicity : No
 Shelf life: Six Months
Material Safety Data Sheet
1.  Product Identification
 Synonyms : Starch Adhesive, Cold Pasting Gum
2.  Hazards Identification
 Emergency Overview

 As part of good industrial and personal hygiene and safety procedure, avoid  all unnecessary exposure to the chemical substance and ensure prompt  removal from skin, eyes and clothing.

3.  First Aid Measures
 Inhalation : Remove to fresh air. Get medical attention for any breathing difficulty.
 Ingestion   : If large volumes were swallowed, get medical assistance.
 Skin contact :Flush exposed area under running water and Wash  exposed area with water. Get medical advice if irritation develops.
 Eye contact : Wash thoroughly with running water. Get medical assistance.
4.  Handling and Storage

Keep in a tightly closed container, stored in a cool, dry, ventilated area. Protect against physical damage. Isolate from incompatible substances. Containers of this material may be hazardous when empty since they retain product residues (liquid, solids); observe all warnings and precautions listed for the product.

 Physical and Chemical Properties
 Appearance : Cream white Powder.
 Odor : Typical Odor.
 Solubility: Soluble in Water.
 pH (10% Aqua.  Solution): 7.5 – 11.0
 Bulk Density: 0.55 to 0.65 grams per ml.
 Viscosity: 35 to 45 seconds (measure in B4 cup)
 Ignition  Temperature: 380oC.
Pasting Gum Powder
Corrugation Gum Powder
How to Use :

The ratio is 1:4 (1kg perfect gum powder Cold to 4 liters of Water). Take water in a container and stir it with a stirrer at 900-rpm. While the stirring is in progress, add Smil-o-Cold gradually into the vertex of water formed by stirrer.The Smil-o-cold to water ratio may however, be changed to ensure required viscosity depending on the gsm, quality of paper and single facer or double backer bonding.

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