Polypropylene (pp) (soft plastic) is the most used plastic material on automobiles. bumpers, air filters, fibrous front panels, headlight plastics, door covers and radiator are general usage areas. welding bevel work must be done for all parts. a thin electrode should be used on the front surface and a wide electrode on the back surface. leveling and cleaning should be done at the end of welding. better results are obtained by making tangential support welds at intervals to the starting and ending points of the weld. maximum 50 pieces of this product can be ordered. swordslife reserves the right to cancel orders over 50 pieces. more than 100 stocks were offered to be sold at the campaign price. the seller determines the selling price of the product you have examined. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.