Uv radiation-absorbing packing

Details Uv radiation-absorbing packing Uv radiation-absorbing packing

C - Chemistry, Metallurgy

03

C

C03C 3/087 (2006.01) C03C 4/08 (2006.01)

Patent

CA 2206272

The invention relates to a packing for foods on the basis of green colored soda-lime glass absorbing UV radiation and transmitting visible light, which glass consists of: at least 2.5 wt.% iron, calculated as Fe2O3, at least 12 wt.% sodium, calculated as Na2O, and at most 4 wt.% aluminium, calculated as Al2O3.

L'invention concerne un emballage pour des aliments, cet emballage étant constitué de verres à base de soude et de chaux, de couleur verte, et absorbant les rayonnements UV et transmettant la lumière visible, ce verre se composant de: au moins 2,5 % en poids de fer, calculé en tant que Fe¿2?O¿3?, au moins 12 % en poids de sodium, calculé en tant que Na¿2?O, et au plus 4 % en poids d'aluminium, calculé en tant que Al¿2?O¿3?.

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