Instant-Pak 1421 is an excellent problem solver for bonding difficult packaging. Its excellent adhesion produces strong fibre tearing bonds on 'tough 'recycled and virgin board including carrier boards. Its very high molten tack holds down springy boards such as double wall board. And its high molten tack ensures strong bonds on high speed case packers. 

And Instant-Pak 1421 has excellent thermal stability so productivity is not impacted and can often be improved.