The Siga PBI Plus 5 has PBI® Powershell on the back of the hand, a PBI® Gold palm with PROmarble coating. PBI® Gold is characterised by its excellent flame-retardant characteristics. Even in contact with flames and extreme heat, critical areas of clothing which are moved and stressed do not rip apart. The additional lamination and coating ensure that this PBI® Gold product achieves exceptional heat protection plus high mechanical strength and resistance