| abstract |
PROBLEM TO BE SOLVED: To propose an opaque preform intended to contain milk, which is more suitable for a method of manufacturing a container than an opaque preform according to a prior art. The present invention relates to a preform (1) intended to form a container (2) by blow molding or stretch blow molding, the preform (1) at least partially filtering the visible light spectrum. The preform (1) comprises a wall (120) forming a hollow body, wherein the one or more additives are made of a plastic material containing at least one additive that imparts the property to the plastic material. Gives the plastic material properties that allow, at least in part, the transmission of light in the infrared spectrum. [Selection diagram] Fig. 1 |