Material
材質說明
Low impact Virgin Polypropylene plastic, yellow as stanclard colour.
低密度耐衝擊聚乙烯塑膠，外觀為黃色警示色。
If the ladder is to be subject to prolonged exposure to daylight then black or UV stabilised material should be specified.
如果梯狀物在光線不充足地方，可以加入螢光貼線加強安全。如果使用在陽光曝照的地方，本產品有加入抗紫外線元素，增加產品壽命。
Stcndard steel is stainless or alloy steel.
骨材的材質為不銹鋼SUS304。
Plastics Encapsulated Manhole Steps
