Laira Group is capable of selling bitumen to its customers based on the PG method. PG is defined as polymer-modified bitumen and pure bitumen based on environmental conditions and temperature. HIGH-TEMPERATURE PERFORMANCE LOW-TEMPERATURE PERFORMANCE PG 46 -34, -40,-46 PG 52 -10, -16, -22, -28, -34,-40,-46V PG 58 -10, -16, -22, -28, -34, -40 PG 64 -10, -16, -22, -28, -34, -40 PG 70 -10, -16, -22, -28, -34, -40 PG 76 -10, -16, -22, -28, -34 PG 82 -10, -16, -22, -28, -34