What are the benefits of silver black plastic film? Silver black plastic film has a silver surface facing up and a black surface facing down. The silver surface has a reflective effect and can reduce the heat of sunlight in high temperature sunlight to prevent soil heat. The silver surface reflects sunlight on the back of crop leaves, making it impossible for aphids to survive under the leaves, thus playing a role in pest control. The effective functions of preventing grass, preserving moisture, and keeping warm and fertile.