Now the popular backing of artificial grass. FYI. The different backing with suitable for different grass function.
PU backing: more Eco-friend and make the grass strong.
Acrylic backing: make the drainage better. which is good for PET
SBR backing: is economical backing and now is the popular one among the world.
Color backing: some countries believe the color backing is better. In fact. the function is same.
PU foam backing: which will provide good shock absorption for grass.