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Feature

Fit for Silhouette SD and Silhouette Cameo, could use with EMY CB09 blade holder. Yellow: 30 degree; Red: 45 degree; Blue:60 degree
Made from tungsten cemented carbide. High hardness (HRA92.6), come with springs
30 blades are predominantly used for cuting very thin window tint and mylar materials
45 blades are the standard blade that comes with most vinyl cutters. They are recommended for all standard cast and calandered vinyls as well as other thin materials
60 blades are recommended for thicker materials such as reflective films, flock and twill materials and also sand-blast resist

Description

In each package there is 3 small marked packages included.
Yellow: 30 degree; Red: 45 degree; Blue:60 degree.
The primary rationale for blades of different angles is cutting depth. A lower angle is ideal for cutting thiner materials, while a steeper angle blade can penetrate deeper and is better suited for
cutting thicker or denser materials. An increased amount of blade dragging through the material when cutting fine detail can cause, what is called, vinyl ears (parts lifted up). With minimal blade in the
material, a 60 degree blade tends to cause fewer, if any, vinyl ears. Technically speaking, using a 60 degree blade on everyday cutting is a waste of a blade. Less of the blade's cutting area is used, and
blade life is wasted. The more horizontal cutting orientation of the 45 degree blade accurately distributes the cutting task over a larger blade area, and thus last longer (and is cheaper).