Title:
ERASER RUBBER
Document Type and Number:
Japanese Patent JPH10219154
Kind Code:
A
Abstract:
To provide an eraser rubber filled with a ferroelectric metal powder, feed from surface roughness and improved in properties such as erasing properties, adsorptivity and darkening resistance.
This eraser is prepared by adding a specified amount of a ferroelectric metal powder to an eraser rubber stock containing a plastic matrix and a plasticzer. It is desirable that the mean particle diameter of the ferroelectric metal powder is 1-25μm. It is desirable that the amount of the ferroelectric metal powder used is 5-35wt.%. It is desirable that the ferroelectric metal powder is an Fe-Si alloy powder or an Fe-Cr alloy powder.
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Inventors:
MATSUOKA NORIYASU
Application Number:
JP2642297A
Publication Date:
August 18, 1998
Filing Date:
February 10, 1997
Export Citation:
Assignee:
FUJIMIYA SEISAKUSHO KK
International Classes:
C09D9/00; (IPC1-7): C09D9/00
Attorney, Agent or Firm:
Matsunami Yoshifumi