{"id":1813,"date":"2026-02-10T09:40:13","date_gmt":"2026-02-10T01:40:13","guid":{"rendered":"https:\/\/jtlcnc.com\/?post_type=product&p=1813"},"modified":"2026-02-10T09:44:11","modified_gmt":"2026-02-10T01:44:11","slug":"high-precision-granite-equipment-base","status":"publish","type":"product","link":"https:\/\/jtlcnc.com\/fr\/produit\/high-precision-granite-equipment-base\/","title":{"rendered":"Base de l'\u00e9quipement en granit de haute pr\u00e9cision"},"content":{"rendered":"

COMPARAISON DES MAT\u00c9RIAUX DE GRANIT<\/b><\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
contenu<\/b><\/strong><\/td>\nJinan Noir<\/b><\/strong><\/td>\nNoir indien<\/b><\/strong><\/td>\nS\u00e9same noir 654<\/b><\/strong><\/td>\n<\/tr>\n
Gravit\u00e9 sp\u00e9cifique<\/b><\/strong><\/td>\n3100-3300kg\/m3<\/b><\/strong><\/td>\n3200-3300kg\/m3<\/b><\/strong><\/td>\n2900-3000 kg\/m3<\/b><\/strong><\/td>\n<\/tr>\n
Module d'\u00e9lasticit\u00e9<\/b><\/strong><\/td>\n1,27\u00d7105 N\/mm2<\/b><\/strong><\/td>\n1,29\u00d7105 N\/mm2<\/b><\/strong><\/td>\n1,27\u00d7105 N\/mm2<\/b><\/strong><\/td>\n<\/tr>\n
Coefficient de dilatation lin\u00e9aire<\/b><\/strong><\/td>\n4.61\u00d710 -6\/\u2103<\/b><\/strong><\/td>\n4.61\u00d710 -6\/\u2103<\/b><\/strong><\/td>\n4.61\u00d710 -6\/C<\/b><\/strong><\/td>\n<\/tr>\n
Coefficient de dilatation thermique<\/b><\/strong><\/td>\n0,18%\/C<\/b><\/strong><\/td>\n0,18%\/\u00b0C<\/b><\/strong><\/td>\n0,2%\/C<\/b><\/strong><\/td>\n<\/tr>\n
Absorption de l'eau<\/b><\/strong><\/td>\n<0,013%<\/b><\/strong><\/td>\n<0,011%<\/b><\/strong><\/td>\n<0,013%<\/b><\/strong><\/td>\n<\/tr>\n
Duret\u00e9 Rockwell<\/b><\/strong><\/td>\n>70.9<\/b><\/strong><\/td>\n>70.9<\/b><\/strong><\/td>\n>70.9<\/b><\/strong><\/td>\n<\/tr>\n
\u00c9quivalent de rayonnement<\/b><\/strong><\/td>\n0,38uSv\/h<\/b><\/strong><\/td>\n0,35uSv\/h<\/b><\/strong><\/td>\n0,38uSv\/h<\/b><\/strong><\/td>\n<\/tr>\n
R\u00e9sistance \u00e0 la compression \u00e0 sec<\/b><\/strong><\/td>\n220,1MPa<\/b><\/strong><\/td>\n221,1MPa<\/b><\/strong><\/td>\n218,3MPa<\/b><\/strong><\/td>\n<\/tr>\n
Apparence<\/b><\/strong><\/td>\nTaches blanches uniform\u00e9ment r\u00e9parties, comme des flocons de neige (apparaissant translucides), avec un aspect propre et brillant apr\u00e8s l'entretien.<\/b><\/strong><\/td>\nDes taches blanches uniform\u00e9ment r\u00e9parties comme des flocons de neige, avec un mat\u00e9riau de base noir et brillant. Apr\u00e8s entretien, l'aspect est<\/b><\/strong>
\n<\/b><\/strong>propre et brillant.<\/b><\/strong><\/td>\n		Il y a une r\u00e9partition uniforme des pics blancs (non transparents), dont le motif est plus grand que celui des pics noirs de Jinan.<\/b><\/strong>
\n<\/b><\/strong>est propre mais moins brillant que le JinanBlack.<\/b><\/strong><\/td>\n<\/tr>\n
R\u00e9tention de pr\u00e9cision<\/b><\/strong><\/td>\nInf\u00e9rieur \u00e0 5 microm\u00e8tres (um)<\/b><\/strong><\/td>\nInf\u00e9rieur \u00e0 5 microm\u00e8tres (um)<\/b><\/strong><\/td>\n5-10um<\/b><\/strong><\/td>\n<\/tr>\n
Facilit\u00e9 de traitement<\/b><\/strong><\/td>\nFacile<\/b><\/strong><\/td>\nDur<\/b><\/strong><\/td>\nPlus dur<\/b><\/strong><\/td>\n<\/tr>\n
En raison des politiques environnementales de la Chine, l'exploitation du granit noir de Jinan a \u00e9t\u00e9 interrompue depuis 2006. Apr\u00e8s 15 ans, des<\/b><\/strong>
\n<\/b><\/strong>jinan Les blocs de granit noir sont devenus rares, seuls quelques morceaux peuvent encore \u00eatre trouv\u00e9s, et il n'est plus possible de les obtenir dans le commerce.<\/b><\/strong>
\n<\/b><\/strong>de grandes quantit\u00e9s.<\/b><\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"

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