... of fire is up to the standard GA6-2004.It with break proof,crash proof,pierce resist,fire resist and hot proof,etc. Rubber Boots of fire ... -skid prevention,Electricity insuation,prevention to chemistry materials.rubber boots of fire(rubber boots,firefighting boot )with high heat resistance,water proof ... anti-skidprewention,electricity insuation,prevention to chemisstry materials. rubber boots of fire