Polystyrene welding rod

The utility model discloses an enough be applicable to right angle welding, the welding of great groove, flat mouthful of welding, weld the better polystyrene welding rod of effect simultaneously. Polystyrene welding rod, including the welding rod body, the cross section of welding rod body includes rectangular cross section, the both ends of rectangular cross section top all are provided with has the upwards first arc cross -section of camber, the intermediate position of rectangular cross section below is provided with the second arc cross -section that has downward camber. Adopt this polystyrene welding rod application scope wide, can guarantee welding quality, simultaneously low in manufacturing cost. 本实用新型公开了种能够适用于直角焊接、较大坡口焊接、平口焊接，同时焊接效果较好的聚苯乙烯焊条。所述聚苯乙烯焊条，包括焊条本体，所述焊条本体的横截面包括矩形截面，所述矩形截面上方的两端均设置有具有向上拱度的第弧形截面，所述矩形截面下方的中间位置设置有具有向下拱度的第二弧形截面。采用该聚苯乙烯焊条适用范围广，能够保证焊接质量，同时制造成本低。