features: best for wood-to-wood applications 30 second open time applicator: infinity cartridge gun 50 gram cartridge best for: wood the infinity pur ww30 is a wood to wood polyurethane hot melt (pur) adhesive. titebond ww30 pur and is dispensed using the same cartridge gun. pur ww30 applications pur ww30 is an excellent adhesive for product assembly and manufacturing applications. it offers bonds strong enough to often replace screws, fasteners, nails, staples and other non-adhesive fastening mechanisms. the pur ww30 is also dispensed with an all-electric applicator that is lightweight, cordless and very portable giving tremendous freedom in assembly applications. cabinet making furniture making and woodworking construction hardwood flooring installation general product assembly understanding pur hot melt vs traditional hot melt whats the same both traditional hot melt and polyurethane (pur) hot melt typically need to be heated to be applied. they are both non-toxic and generally one of the safer adhesives for bonding and sealing. non-toxic applied by heating and dispensing whats different pur ww30 offers a faster open time than most pur hot melts (30 seconds) but is still longer than traditional stick and bulk hot melt adhesives. pur ww30 has a strong bond that continues to strengthen over time as it reacts with moisture in the air. traditional hot melt adhesives do not continue to strengthen after they have fully set. pur ww30 requires a cartridge gun for dispensing and should not be exposed to air before being used. the shelf life is up to 2 years where traditional hot melts don't really have a shelf life. pur offers longer open time. has a much stronger bond than traditional hot melt. hipur has a shelf life of 12-18 months corded cartridge glue gun ed0003ruphe part # ed0003ruphe dual temp corded pur hot melt applicator for 50 gram cartridges overview the ed0003ruphe has exceptional performance at an unbeatable price. this gun is able to dispense any of the infinity bond pur or hot melt 50-gram cartridges with ease. it offers a powerful 500-watt heater, lighted on/off switch, and dual (high and low) temperature settings all with an easy to read digital readout. the ed0003ruphe is great for applications that require continuous dispensing as there is no need to recharge on a base like the old 110049722 glue gun applicator. plus, the high temperature setting allows users to adjust the open time and viscosity of their adhesives and opens many more material options. the ed0003ruphe corded cartridge gun comes with a sturdy plastic stand. features of the corded cartridge gun powerful 500-watt heater high and low temperature settings continuous use - no need to recharge on base digital temperature readout lighted on/off switch works with all infinity bond pur and hot melt cartridges