Patent ID: 11883925
Assignee: FUJIBO HOLDINGS, INC.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC B  C  H | IPC B

Claim 2:
3. The polishing pad according to claim 1, wherein a tan δ peak temperature of the polyurethane sheet in the wet state within a temperature range of 20° C. to 100° C. in a tensile mode with an initial load of 148 g, a strain range of 0.1%, and a measurement frequency of 1.6 Hz is 60 to 100° C., and a tan δ peak temperature of the polyurethane sheet in the dry state within a temperature range of 20° C. to 100° C. in a tensile mode with an initial load of 148 g, a strain range of 0.1%, and a measurement frequency of 1.6 Hz is 60 to 100° C.