Sheffield Engineering makes thousands of miles of plastic welding for premium customers across the USA and world.  Our shapes include 3 4 5mm round, triangle and flat shapes including custom shapes for customers.  Also included is HDPE PPCO PPHO ABS RPVC FPVC LLDPE LDPE and more materials and hundreds of colors.  12inch 48 inch and 30lb reels. Please contact us so we can meet your plastic welding needs.