A method for manufacture of and a foil for enclosing or wrapping a product to be heated in an oven

A foil for enclosing or wrapping a product configured to be heated in an oven, comprising:

• an aluminum layer;
• and
• a first ink layer positioned between the aluminium layer and a second ink layer, wherein the first ink layer is configured to absorb radiant energy, and the second ink layer is configured to allow the radiant energy to pass through to the first ink layer;
• wherein a binder system of an ink material of the first ink layer or of the second ink layer is based at least in part on polyvinyl butyral (PVB).

A method of manufacturing a foil for enclosing or wrapping a product configured to be healed in an oven, comprising:

• providing an aluminium layer;
• applying a first ink material at a surface of the aluminium layer to form a first ink layer;
• applying a second ink material at a surface of the first ink layer to form a second ink layer, the first ink layer being positioned between the aluminium layer and the second ink layer;
• applying a third ink material at an opposite surface of the aluminium layer to form a third ink layer, wherein the opposite surface is opposite the surface of the aluminium layer where the first ink layer is applied;
• and
• applying a fourth ink material at a surface of the third ink layer to form a fourth ink layer, the third ink layer positioned between the aluminium layer and the fourth ink layer, wherein the first ink layer and the third ink layer are configured to absorb radiant energy, and the second ink layer and the fourth ink layer are configured to allow the radiant energy to pass through them.

A foil for enclosing or wrapping a product configured to be heated in an oven, comprising:

• an aluminium layer;
• a first ink layer positioned between the aluminium layer and a second ink layer, wherein the first ink layer is configured to absorb radiant energy, and the second ink layer is configured to allow the radiant energy to pass through to the first ink layer;
• and
• a third ink layer positioned between the aluminium layer and a fourth ink layer, the third ink layer being positioned on an opposite surface of the aluminium layer from the first ink layer, wherein the third ink layer is configured to absorb the radiant energy, and the fourth ink layer is configured to allow the radiant energy to pass through to the third ink layer.