Fourdrinier process Electrotype - thin areas in the paper with equal depth – light shade. Two- tone - Thick & thin areas in the paper with the same heights & depths - Only black and white. Multi-tone - Thick & thin areas in the paper with varying heights & depths - different shade values.
		UV dull paper: CBS is the common title used by paper grades which conform to UK Clearing Banks Specification Number 2. Ideal for Bank Giro Credit Forms, Data Mailers and Remittance Advice Note.

Chemical coatings: Chemicals contained in the paper produce a reaction when solvents or agents are used to attack and alter a document. A simple but effective security feature. Cheque paper (CBS1) is sensitised to APACS standard 3.1.

• Standard – reaction to acid, acid, alkali, polar organic solvents & bleaches (APACS)
  
• Extra – with additional reaction to solvents (non-polar)
  
• Extra TK – with additional reaction to ink eradicator (pen)
  
• Super TK – with additional reaction to ink eradicator (liquid)
  

Threads / fibres: A range of colours & lengths, visible in daylight, fluorescent under UV light, dual colours or rainbow (4 colours)