A portion capsule (1) for producing a tea beverage (12), the portion capsule has a substantially closed container that is filled at least in part with an infusion substance (10 ') that is provided for the process of infusion, wherein to infuse the infusion substance (10 ') the portion capsule (1) can be inserted into an infusion chamber machine (13, 15), wherein the closed container has a base element (2) of substantially truncated cone shape with a closed bottom which is sealed on its side away from the bottom by means of a cover sheet (4), where there is a hollow space to accommodate the infusion substance (10 ') between the bottom and The covering sheet, wherein the portion capsule (1) has a filter element (5), characterized in that the filter element (5) comprises a filter felt and because the infusion substance (10 ') comprises a drinking substance (10) to produce a tea drink (1 2), wherein the beverage substance (10) is provided to be stored in the portion capsule (1) and to be infused into the portion capsule (1) by means of hot water introduced into the portion capsule (1) under pressure, wherein the beverage substance (10) is substantially in the form of particles and comprises tea at least in part, wherein the beverage substance (10) has an average particle size (D4.3) of between 500 micrometers and 1500 micrometers.Una cápsula de porción (1) para producir una bebida de té (12), la cápsula de porción tiene un recipiente sustancialmente cerrado que se llena por lo menos en parte con una sustancia de infusión (10') que se provee para el proceso de infusión, en donde para infundir la sustancia de infusión (10') la cápsula de porción (1) puede insertarse en una máquina de cámara de infusión (13, 15), en donde el recipiente cerrado tiene un elemento de base (2) de forma de cono sustancialmente truncado con un fondo cerrado el cual está sellado en su lado alejado del fondo por medio de una lámina cubridora (4), en donde se tiene un espacio hueco para acomodar la
