Widespread use of polyurethanes was first seen during World War II, when they were utilised as a replacement for rubber, which at the time was expensive and hard to obtain. During the war, other applications were developed, largely involving coatings of different kinds, from aeroplane finishes to resistant clothing. Polyurethanes are polymers and best thought of as chains of three-dimensional structures made up of long, repeating smaller units called monomers
It may sound silly, but research proves that dogs/pets can be allergic to latex. latex toys or artificial grass tend to show contact dermatitis The latex can affect dogs by causing a skin reaction such as redness, dry/scaly skin and hair loss. Constant scratching, chewing and licking can be a behaviour shown..
PU will not absorb moisture, liquids or urine as latex does and so greatly reduces hygiene/odour issues associated with dogs and artificial grass, however we still recommend hosing your grass once your pet has done their business as often as possible.