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Porte-mines
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![Etui de 36 mines 0,9 mm AIN STEIN C279 dureté 2B PENTEL](/ecom/occ/ecommerce/medias/sys_master/productsmedias/hcc/h6e/13683802570782/300Wx300H_mp-500018496_media/mp-500018496_media.jpg)
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![CRITERIUM Porte-mines 2613, Mine 2 mm - Noir](/ecom/occ/ecommerce/medias/sys_master/productsmedias/hb6/hee/13683748044830/300Wx300H_mp-500040366_media/mp-500040366_media.jpg)
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![Porte-mine POLY MATIC 0,7 mm avance automatique Rose FABER-CASTELL](/ecom/occ/ecommerce/medias/sys_master/productsmedias/h30/hf4/13683777044510/300Wx300H_mp-500022170_media/mp-500022170_media.jpg)
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![rOtring PRO Porte-mine mécanique rétractable Noir 0.5 mm](/ecom/occ/ecommerce/medias/sys_master/productsmedias/h49/h3e/13683847626782/300Wx300H_mp-500055716_media/mp-500055716_media.jpg)
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![Portemine rapid PRO métal massif Noir mat mines 2,0 mm ROTRING](/ecom/occ/ecommerce/medias/sys_master/productsmedias/h6a/he3/13683772063774/300Wx300H_mp-500005097_media/mp-500005097_media.jpg)
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![Porte mines rechargeable CRITERIUM Luxe Silver HB 2 mm BIC](/ecom/occ/ecommerce/medias/sys_master/productsmedias/h44/h17/13683754041374/300Wx300H_mp-500018099_media/mp-500018099_media.jpg)
![Porte-mine mécanique rOtring 600 0 5 mm noir (1904443)](/ecom/occ/ecommerce/medias/sys_master/productsmedias/h5b/hcd/13683841040414/300Wx300H_mp-500055469_media/mp-500055469_media.jpg)
![Portemines, en étui de 3, avec gomme, pointe rentrante STAEDTLER](/ecom/occ/ecommerce/medias/sys_master/productsmedias/h39/h0e/13683720421406/300Wx300H_mp-500014590_media/mp-500014590_media.jpg)
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![Porte-mines 844 classic line 0 07 mm noir caran d'ache](/ecom/occ/ecommerce/medias/sys_master/productsmedias/h59/h58/13692131999774/300Wx300H_mp-600011942_media/mp-600011942_media.jpg)
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![Portemines P 209 Pte métal Mine 0,9 mm Corps Jaune PENTEL](/ecom/occ/ecommerce/medias/sys_master/productsmedias/hb9/hb4/13683744178206/300Wx300H_mp-500016534_media/mp-500016534_media.jpg)
![Etui de 12 mines 'mars micro carbon' 0 5 mm 2b x 12 staedtler](/ecom/occ/ecommerce/medias/sys_master/productsmedias/h65/h7c/13692109684766/300Wx300H_mp-600011879_media/mp-600011879_media.jpg)
![porte mines GRIP 2011, argent FABER-CASTELL](/ecom/occ/ecommerce/medias/sys_master/productsmedias/hc4/ha1/13683690831902/300Wx300H_mp-500000577_media/mp-500000577_media.jpg)
![Porte-mines am13 épaisseur mine: 1 5 mm bleu foncé pentel](/ecom/occ/ecommerce/medias/sys_master/productsmedias/hd2/h09/13692132720670/300Wx300H_mp-600011937_media/mp-600011937_media.jpg)
![Etui de 12 mines HI-POLYMER SUPER 0,5 mm B PENTEL](/ecom/occ/ecommerce/medias/sys_master/productsmedias/h12/ha2/13683692175390/300Wx300H_mp-500013829_media/mp-500013829_media.jpg)
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![rOtring 600 Porte-mine bleu 0.7 mm](/ecom/occ/ecommerce/medias/sys_master/productsmedias/hdb/h8e/13683836813342/300Wx300H_mp-500107817_media/mp-500107817_media.jpg)
![rOtring 600 Porte-mine bleu 0.5 mm](/ecom/occ/ecommerce/medias/sys_master/productsmedias/hde/h18/13683814760478/300Wx300H_mp-500107792_media/mp-500107792_media.jpg)
![rOtring 600 Porte-mine rouge 0.7 mm](/ecom/occ/ecommerce/medias/sys_master/productsmedias/h52/hae/13683833831454/300Wx300H_mp-500107804_media/mp-500107804_media.jpg)
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Des portes-mines et critériums pour écrire et dessiner
Le porte-mine est un accessoire pratique pour réaliser des dessins fins et élégants, ou encore pour effacer et recommencer votre travail à volonté. Il trouve sa place sans difficulté dans une trousse scolaire aux côtés d’un stylo à plume, et vous évite en plus le recours à un taille-crayon.
Comment bien choisir l’épaisseur du porte-mine ?
Le principal critère de sélection d’un bon porte-mine est celui de l’épaisseur de la mine, qui va déterminer bien sûr la finesse du trait et le degré de précision que vous pourrez atteindre. Il existe quatre principaux formats de mines sur le marché :
- 0,3 mm ;
- 0,5 mm ;
- 0,7 mm ;
- 0,9 mm.
Les mines de 0,7 mm sont les plus courantes dans la mesure où elles représentent le meilleur compromis entre finesse et épaisseur. Elles sont par ailleurs plus solides que les mines plus petites.
Comment bien choisir le type de mine ?
Au-delà de la sélection de l’épaisseur, le caractère plus ou moins gras de la mine est également un facteur d’importance pour obtenir un rendu satisfaisant. Il existe quatre principales catégories de mines, allant de la plus sèche à la plus grasse :
- H ;
- F ;
- HB ;
- B.
La mine HB est généralement recommandée pour les travaux d’écriture. Les mines de catégorie B conviennent surtout aux travaux de dessin, pour remplir des surfaces ou intensifier des ombres.
Le porte-mine rechargeable est un véritable atout dans la poche de n’importe quel artiste, étudiant ou écolier ! Trouvez le meilleur modèle dans la boutique de La Poste et n’hésitez pas à vous procurer d’autres produits associés comme une règle ou des feutres.