Steel ink sac

important information

Material: Plastic
Package Size:

300 x 20 x 100 mm
1

It seems like you might be referring to a “steel ink sac” in the context of fountain pens or pen restoration. Let me provide some information:

1. Ink Sac:
   • In the context of fountain pens, an ink sac is a flexible container that holds ink. It is a crucial part of the pen’s filling mechanism. When the sac is compressed and released, it creates a vacuum that draws ink into the pen.
2. Steel Ink Sac:
   • The term “steel ink sac” might be a bit ambiguous. Usually, the ink sac itself is made of a flexible and resilient material such as rubber or latex, not steel. However, the pen’s components, including the sac protector or the metal bar that compresses the sac, might be made of steel.
3. Restoration:
   • The replacement of an ink sac is a common aspect of restoring vintage fountain pens. Over time, the original sac can deteriorate, leading to ink leakage or flow issues. Restoring a pen often involves replacing the old ink sac with a new, compatible one.
4. Materials:
   • Modern ink sacs are typically made of materials like latex or silicone. While steel may be used in other parts of the pen’s construction, it’s not a common material for the ink sac itself due to the need for flexibility.