Describes methods of testing the electrical, mechanical and other properties of base materials in sheet or roll form irrespective of the nature of the insulating base material.Cross References:BS 410*BS 903*BS 2011:Part 1.1*BS 2011:Part 2.1B*BS 2011:Part 2.1Ca*BS 2011:Part 2.1T *BS 2067*BS 2782:Part 3:Method 335A*BS 2782:Part 4:Methods 430A to 430D*BS 2918*BS 3203 *BS 4542*BS 4584:Part 11*BS 5735*BS 6233 *ISO/R 1326*IEC 194**