Title:
PEELING LIQUID COMPOSITION FOR REMOVING HARD COATING, AND REMOVAL METHOD FOR HARD COATING USING THE SAME
Document Type and Number:
Japanese Patent JP2023022401
Kind Code:
A
Abstract:
To provide a peeling liquid composition capable of effectively peeling and removing a hard coating formed on the surface of a cemented carbide substrate without causing roughness on the surface of the cemented carbide substrate after treatment.SOLUTION: A peeling liquid composition for removing a hard coating formed on the surface of a cemented carbide substrate includes a solution prepared to have a phosphoric acid concentration of 72.4 wt.% or more in terms of diphosphorus pentoxide, preferably further including a solution containing sulfuric acid of 10.0 wt.% or less.SELECTED DRAWING: None
Inventors:
UCHINO KATSUTAKA
KAMIBAYASHI NAOKI
YAMANE KAZUYA
KAMIBAYASHI NAOKI
YAMANE KAZUYA
Application Number:
JP2021127261A
Publication Date:
February 15, 2023
Filing Date:
August 03, 2021
Export Citation:
Assignee:
SANWA YUKA KOGYO KK
KANEFUSA KNIFE & SAW
KANEFUSA KNIFE & SAW
International Classes:
C23F1/00; C23F1/30
Attorney, Agent or Firm:
Nakajima Michio
Masahiro Nakajima
Masahiro Nakajima