The heading of a paper is " l'en-tête d'un papier " in French.
'paper' in french is 'papier'
Une feuille de papier is a sheet of paper in French.
Green paper would be 'papier vert' in French.
To say research paper in French you would say papier de recherche une épreuve écrite - paper un essai, une rédaction - essay
Chart paper is called "du papier pour tableau"in French.
Trombone
papel
"Je n'ai pas de papier" as in the materiel of paper.
papier ordinaire
The teacher told us to write our heading on the paper
rédiger un document
Ailes en papier