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ArchivalGrade Boxboard Color Tan/Black
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Tan: thickness .040 and .060 Black thickness .055
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Tan finish: smooth plate finish. Black finish: textured paper laminated on acid- free black core.
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Made from fully bleached, high alpha cellulose pulp. It does not contain any post consumer waste recycled pulp. Paper is free of metal particles, waxes, plasticizers, residual bleach, peroxide, sulfur content is less than 0.0008% reducible sulfur.
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The lignin content is measured by the phloroglucinol test with a Kappa number of 5 or less.
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Metallic Impurities, Iron will not exceed 150 ppm and copper shall not exceed 6 ppm.No optical brightening agents are used in the pulp.
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The paper contains a minimum of 3% calcium carbonate (CaCO3) with a pH range 8-9.5
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Alkaline or neutral sizing are used. No alum rosin or rosin sizing are used.
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Color dyes are light-fast and non-bleeding.
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Surface of the paper is smooth and free from knots, shives and abrasive particles.
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Board will not degrade and cause harm to artifacts stored in boxes made from this paper.
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This paper passes the PAT (Photographic Activity Test) ISO 14523 formally ANSI IT9.16
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All dimensions are interior box sizes
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