Tied-up folder, Carta Guardia

A folder produced from top quality acid-free paperboard which complies with the ISO 16245 requirements. 

• Carta Guardia paperboard:
  - ISO 16245 type A and PAT certificates
  - 100% cellulose
  - colour: dark grey
  - pH > 7.5
  - alkaline reserve > 0.4 mol/kg
  - Kappa number < 5
  - water absorbency:  Cobb60 < 25 g/m2
  - no dye migration
  - no optical brighteners
  - grammage: 300 g/m2
• Tie:
  - width 10 mm
  - 100% cotton cellulose
  - fibres are not chemically bleached
  - fibres are not of recycled origin
  - natural white
  - neutral pH 
  - herringbone waeve
• Adhesive:
  - pH 7.0 – 8.0
  - plasticizer-free
  - based on copolymer of ethylene and vinyl acetate (EVA)