Pneumatic Industry: Carnauba Wax give tires extra-resistance and as a plasticiser to prevent sun-cracking.
气动行业：巴西棕榈蜡可增加轮胎的抗阻性能，作为增塑剂可阻挡日晒的开裂。
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When need long time stop outdoor conditions, the vehicle should avoid direct exposure in the sun, to prevent the door seals, skylight on the edge of the deformation and cracking due to heat.
At the same time should avoid sun long time direct floor, lest the film by ultraviolet light irradiation after long-term strong, premature cracking and aging.