The disks shall be plied, without cementing, to the thickness required. Such plies shall be smooth, flat, of uniform thickness, and shall not exceed seven in number for Type 1 specimens and four in number for Type 2 specimens
The disks shall be plied, without cementing, to thethickness required. Such plies shall be smooth, flat, of uniformthickness, and shall not exceed seven in number for Type 1specimens and four in number for Type 2 specimens