Structure:

Surface: granular structure, particle size of about 1-3 mm
Top: thickness of about 4 mm, polyurethane coating, reddish-brown
Grass: a thickness of about 9 mm, permeability urethane adhesive rubber particles, black rubber particles, particle size of about 1-4 mm, colorless polyurethane adhesive.

Features:

Protect environment: innocuity, no social effects to pollution.It is in the favor of environmental protection.
All weather used: all kinds of seasons and temperature range. it maintains high quality and it can be used after raining, which increases the time available and using frequency.
Flexibility: It has the modest elasticity and reboundness, which can reduce the man-made depletion and enhance the achievement.
Shock absorbing: it can absorb the shock and reduce the injury in exercise.It is fit for long-time using .
it wont fade, pulverized or inteneratedby ultraviolet radiation, ozone and the pollution of acid rain, which can keep the fresh color for a long time.
Anti-nail: It wont be destroyed by nail shoes or start running frame even if at the starting point of 100-meter which is most frequently used.
Clashing: it has the high flexible layer and cushion layer, which can absorb the driving clashing without obvious damage.
Flatness: its built by the flat material, it has the flat surface and fits for especially flat competition courts.
Viscidity: special constructing disposal, it has the strong viscidity, which can prevent the ascend of water, no pickle, separating etc.
Safety: it can prevent tumble happened during exercises.
Economy: easily maintenance, and it can save the cost.
Color: special high rebounding EPDM and PU grain, gentleness surface color, grain structure surface, which can prevent the glaring beam reverberation, beautiful but endurable, it can also used by multi-color.