the application of this product solve effectively the question of domestic currently using snowmelt agent corrosion of metal,cement concrete and harm to plant growth. The products specially add the composition of special protective agent, to reduce the average snowmelt agent on the bridge, railway, road and environment influence and destruction. It has advantages of snow melting speed, no corrosion, small dose of dosing, economic and environmental protection, the product of the melted can promote plant growth, compared with traditional products, corrosion of metal and cement concrete is small, safe and reliable.This product can be applied to - 40 ℃ low temperature environment;Liquidity is good, easy to scatters and mechanical spraying.