Creating bronze sculptures with a high level of surface porosity presents unique challenges for artists and foundries. The porous texture, while sometimes desired for aesthetic or conceptual reasons, complicates the casting process and affects the sculpture's durability.

One major challenge is controlling gas entrapment during the molten bronze pouring phase. Air bubbles can become trapped, leading to uneven surfaces or weak structural points. Skilled artisans must carefully monitor pouring temperatures and mold conditions to minimize this issue.

The finishing process becomes more labor-intensive with porous surfaces. Traditional polishing techniques may not work effectively, requiring specialized tools and methods to achieve the desired texture without compromising the artwork's integrity.

Long-term conservation poses another significant hurdle. Porous bronze is more susceptible to oxidation and corrosion as the increased surface area allows greater exposure to environmental factors. Conservators must apply specialized patinas and protective coatings that penetrate the porous structure.

Despite these challenges, many artists intentionally incorporate porosity for its unique visual and tactile qualities. The key lies in understanding and managing these technical difficulties through expert craftsmanship and innovative techniques.