{"id":37946,"date":"2026-06-27T23:12:43","date_gmt":"2026-06-27T21:12:43","guid":{"rendered":"https:\/\/www.passepartout-versand.de\/produkt\/mat-board-in-light-gray-untextured-white-core-1-4mm\/"},"modified":"2026-10-01T13:31:18","modified_gmt":"2026-10-01T11:31:18","slug":"mat-board-400-w-light-gray-untextured-white-core-1-4mm","status":"publish","type":"product","link":"https:\/\/www.passepartout-versand.de\/en\/produkt\/mat-board-400-w-light-gray-untextured-white-core-1-4mm\/","title":{"rendered":"Board Blank 400-W, light gray without surface texture, White-Core (1.4mm)"},"content":{"rendered":"

Passepartout board blanks are ideal for making Passepartouts yourself or for use as backing boards, especially if the artwork is to be float-mounted within the Passepartout and part of the backing board remains visible.
\nThe selected board blank is an acid-free White-Core quality, 1.4 mm thick, in light gray without surface texture.<\/p>\n

We offer this Passepartout board blank in the following colors and qualities:
\nWhite porcelain (101-W)
\nWhite ivory (102-W)
\nWhite pure (901-W)
\nGray dark (902-W)
\nGray slate (401-W)
\nGray light (400-W)
\nGray light (400-W)
\nGray medium (403-W)
\nBlack (404-W)
\nWhite linden beige (102-CB)
\nWhite natural white (101-RM)<\/p>\n

Backing boards or board blanks in individual sizes can be found in the Custom Passepartout<\/a> section<\/p>\n

White-Core Quality Features:<\/b>
\n– acid-free due to buffering with calcium carbonate
\n– pH value: 7.7 – 8.5
\n– permanently white core<\/p>\n

Conservation-Board Quality Features:<\/b>
\n– age-resistant according to DIN ISO 9706
\n– acid-free due to buffering with calcium carbonate
\n– pH value: 8.0 – 9.0<\/p>\n

Rag-Mat Quality Features:<\/b>
\n– highest quality made from pure cotton cellulose
\n– solid-color core material
\n– age-resistant according to DIN ISO 9706
\n– acid-free due to buffering with calcium carbonate
\n– pH value: 8.0 – 9.0<\/p>\n

Manufacturer information:<\/p>\n

Passepartout Workshop
\nB\u00e4ckerstr. 2
\n21379 Echem<\/p>\n

info@passepartout-werkstatt.de<\/p>\n","protected":false},"excerpt":{"rendered":"

Choose from 15 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