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EC number: 201-297-1
CAS number: 80-62-6
Instance: If one assumes a one hour skin contact (assuming T = 37°C and intimate
contact) with 1 dm2 of a PMMA polymer of any thickness and having 1% MMA as an
initial concentration, then the maximum possible migration (assuming complete
MMA uptake through the skin) is estimated to be approx. 4.5 µg for WP = 1 and
14 µg for WP = 0.99 conditions. In relation to the maximum possible migration,
even these overexaggerating assumptions lead to relative migrations as low as
between 0.0004% and 0.0012% of maximum possible migration in case of a 0.1 mm
thick PMMA layer. For thicker layers, for lower CP,0 values and in real life
(where only a fraction of the total MMA uptake can occur) the relative
migration would be one to several orders of magnitude lower.
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