Pencil lead for writing, drawing and/or painting devices

Details Pencil lead for writing, drawing and/or painting devices Pencil lead for writing, drawing and/or painting devices

B - Operations, Transporting

43

K

B43K 19/00 (2006.01) C09D 13/00 (2006.01)

Patent

CA 2731049

The invention relates to a polymer-bonded pencil lead for writing, drawing or painting devices, in particular for lead pencils or colored pencils, comprising a polymer binder, at least one wax and at least one filler, wherein the pencil lead further comprises 0.1 to 5 wt.-% palm oil.

L'invention concerne une mine à liant polymère pour appareils d'écriture, de dessin et/ou de peinture, en particulier pour crayons et crayons de couleur, comprenant au moins un liant polymère, au moins une cire et au moins une charge. La mine contient en outre 0,1 à 0,5 % en masse d'huile de palme.

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