Sulzer Mixpac USA Inc. (formerly ConProTec Inc., Salem, N.H.), a manufacturer of two-component adhesive dispensing systems, has announced the availability of its new Q Series 1500-mL cartridges, which feature a leak-free mixer connection and self-bleeding Quadro pistons. The Q Series cartridges are available in 1500-mL, 1:1 ratio cartridges. The system fits all common industry dispensers and is pressure-tested for safe operation. These cartridges are available in polypropylene or Nylon and in 7/8-9 or 7/8-14 threads. Outlets available for the Q Series style 1500 mL Cartridges are side-by-side or cut-off tip.