MACHINE MADE

 
Grade : Sona Shellac (M.M)

 

Essential Requirements Matter Insoluble in hot alcohol Basic Limit - 1.50%
Relaxed Limit - 2.00%
Color Index 30
Rosin and Orpiment Normaly Free from Rosin and Orpiment except when a specified percentage is agreed between buyer and seller.
 
Optional
Requirements
Volatile Matter Not more than 2%
Wax Not more than 4.5%
Ash 0.3% (Max)
Flow As agreed between buyer & seller
Heat Polymerisation

 

As agreed between buyer & seller usually at temperature of 150 degree cel.
Matter Soluble in Water 0.5% (Max.)
Acid Value As agreed between buyer & seller
Lead Content As agreed between buyer & seller
Iodine Value As agreed between buyer & seller