The cost of the modified asphalt decrease if the roadasphalt will be modified with microwave irradiation waste rubber powder.
用微波复照废旧橡胶粉改性沥青，可以降低其成本。
2
The recycled waste suit-bags (main ingredient EVA) and waste crumb rubber, instead of the ordinary polymeric modifiers, were used to carry out combined modification to the common roadasphalt.