White (ma3301) Mountboard Sheets

Timecare CottonCore boards fully comply with Fine Art Trade Guild Museum Level (Level 1).

• 100% cotton fibre.
• Free from lignin and sulphur.
• OBA-free (Optical Brightening Agents).
• Lightfast, Blue Wool Scale reading of 5 minimum.
• Passes the Silver Tarnish Test and Photographic Activity Test.
• EVA polymer adhesive, contains no plasticisers, pH7.0.
• Buffered with calcium carbonate (except Off White).
• Surface sized (pure non-ionic farina starch).
• Accelerated ageing test: TAPPI T.509 SU68
  • Unaged – pH 9.2
  • 100 years – pH 7.5
  • 150 years – pH 7.8
  • 200 years – pH 7.8

Specification