Uncoated Powders
These powders are hydrophilic 
- They accept water and greasy substances (i.e. they are absorbed into the inks)
 
- These powders offer the best offset protection
 
- These are general usage powders and are recommended for multi-pass work
 
Coated Powders
These powders are hydrophobic
- They repel water and seek out greasy substances thereby keeping printed sheets from blocking
 
- Ideal for laminated and varnished jobs; synthetic stocks, single pass work and high gloss finishes
 
- Improves slippage and reduces potential for scratches 
 
- Ideal for film converting operations
 
Uncoated Powder Types

Coated Powder Types
