VPL Chemicals Pvt. Ltd. Manufactures Oil Based Metal Tip High Temperature Metal Marker, available in 9000 Series. VPL Chemicals Pvt. Ltd. Is an ISO 9001:2000 certified company. The Oil Based Metal Tip High Temperature Metal Marker is clog free and can withstand up to 1150 Deg C temperature. It can be used on Steel, Metal, Glass etc materials and on any other surfaces. This marker is suitable to use in Annealing, heat treatment industries and furnaces and it comes as 12 pieces per box.