... -2, heat, acid and erosion resistant, insulating, durable and not apt to age.Color: natural color (white, standard color), UV black ... -2, heat, acid and erosion resistant, insulating, durable and not apt to age Color: natural color (white, standard color), UV black ... -2, heat, acid and erosion resistant, insulating, durable and not apt to age.Color: natural color (white, standard color), UV black ...