连续作业：-65°F~+300°F（-54℃~+149℃）
Continuous service:-65°F~+300°F（-54℃~+149℃）
内胶层：耐油合成橡胶。
Inner tube:Oil resistants synthetic rubber:
增加层：一层高拉钢丝编织。
Reinforcement: One braid of high tensile steel wire:
外胶层：耐磨，耐臭氧，耐各种气候和阻燃的蓝色合成橡胶。
Cover: Abrasion,ozone,weather and fire resistant synthetic rubber with blue color;
特殊性能：温度耐温，很长的持久性和耐久性。
Special charactoristics:Extremely temperature resistance with long persistence and durability.