@aytunctarakci
@murat Çömez arkadaşımız yukarıda anlatmış. Fakat biraz daha açıklayıcı olması açısından bildiğim ve dilimin döndüğünce açıklamaya çalışayım:
Karbon materyaller bisiklet sektöründe genel kullanım olarak örgü desenine göre üçe ayrılır: UD-3k ve 12k (bir de 18k çıkmış. Muhtemelen birileri farklı birşeyler de çıkarmıştır.). Bu örgü desenine göre kozmetik olarak farklı görünümler oluşur. Örnek olması açısından:
3k karbon fiber görüntüsü 12k karbon fiber görüntüsü UD karbon fiber görüntüsü
http://www.light-bicycle.com/light-bicycle/the-3k-12k-ud-carbon-fiber-weave-for-rim-and-frame/carbon-fiber-weave-3k.jpg http://www.light-bicycle.com/light-bicycle/the-3k-12k-ud-carbon-fiber-weave-for-rim-and-frame/carbon-fiber-weave-12k.jpg http://www.light-bicycle.com/light-bicycle/the-3k-12k-ud-carbon-fiber-weave-for-rim-and-frame/carbon-fiber-weave-UD.jpg
Bu örgü desenlerine göre ayrılan malzeme ise aynı miktardaki malzemenin sertliğini belirtir. Bildiğim kadarı ile bisiklet sektöründe kadrolar ve parçalar UD karbon fiber olarak yapılır (sertliği açısından). Son kat ise sadece kozmetik görüntü amaçlı 3k-12k olarak yapılır. Genelde zaten dikkat ederseniz karbon malzeme satışlarındaki bazı ilanlarda "3k finish" , "12k finish" olarak ibareler görebilmeniz mümkün. Aslında "finish" kelimesi ile kozmetik olarak en üst tabakada neyi kullandıklarını belirtmek istenir.
Ayrıca kozmetik olarak 3k-12k-UD olmalarının yanında mat (matte) ve parlak (glossy) olarak da ayrımları vardır.
NOT: Şimdi sen parlak beyaz deyince boya veya benzeri bir türevi olacağı kanısı uyandı. Bunun üzerine bir de boyayan var mıdır inan onu bilmiyorum
. Boya oluyor ise bile üreticilerin ağırlığı artıracağı için (karbon malzeme ve kadroları zaten hafifliği için seçen büyük-hatta tüm
- bir kitle varken) bir de boya yapması abes kaçar
Örnek:
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