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Accelerated Aging of Paper: Can it Really Foretell the Permanence of Paper

Table 1.

Accelerated Aging of Springhill Offset&8482; Paper Under Different Conditions

Aging Conditions	Temperature (°C)	Relative Humdity (%)	Lifetime T*
Single sheets	80	65	12.00
Single sheets	90	25	10.00
Single sheets	90	50	4.80
Stacks of 100 sheets	90	50	2.50
3 sheets sealed inside PET/PP	90	50	3.00
3 sheets sealed inside PP	90	<10	17.00
Single sheets sealed inside A1 + PET	100	<5	0.63
10 sheets sealed inside A1 + PET	100	<5	0.25

*T = Time to three half-lives

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