RIP  RAP  Screened according to customer / host requirements. The size , shape , specific gravity and strength suitable slope protecttion , prevent erosion of the water , garden decoration etc.

       Ballast (2")  Manufacture to requirements for state railway of thailand. Used for railway , scattering around substation area etc.

     Base Course  Manufacture mixed regulayly by large to small. Convenient for subbase or base course and convenient for landfill. Base course produce to standard of ASTM and AASHTO in grading A, B and C
     Property of ASTM and AASHTO    
     » SIEVE ANALYSIS REQUIREMENT FOR GRADING A, B& C
     » LOS ANGELES ABRASION TEST NOT OVER 40 PERCENT
     » LIQUID LIMIT TEST NOT OVER 25 PERCENT
     » PLASTICITY INDEX TEST NOT OVER 6 PERCENT
     » CALIFORNIA BEARING RATION TEST OVER 80 PERCENT