Ponza 1
Ponza 2

1.Description

Ponza
(pumice) is a lightweight volcanic rock formed from rapidly cooled lava,
characterized by its porous structure and very low density. Naturally abrasive
and highly absorbent, it is used in a variety of industrial, agricultural, and
decorative applications. It is available in natural beige, brown, or red hues.


2. Technical Characteristics

Property

Details

Origin

Volcanic (igneous) rock

Color

Beige,
reddish-brown, or dark red

Structure

Highly porous, lightweight

Density

~0.6 – 0.9 g/cm³

Water Absorption

High (up to 50%)

Abrasiveness

Moderate
(used in polishing or scrubbing)

pH Neutrality

Generally neutral

Fire Resistance

Excellent

Thermal Insulation

Very high


3. Applications

  • Agriculture & Horticulture: Soil
    aeration, drainage improvement, root oxygenation
  • Construction: Lightweight concrete, thermal
    and acoustic insulation
  • Water Filtration: Biological filter media for
    ponds and aquariums
  • Industrial Use: Lightweight filler, abrasives,
    stone-wash textile industry
  • Landscaping & Decoration: Ground cover, garden paths,
    decorative mulch
  • Animal Bedding: Absorbent substrate in pet
    enclosures

4. Available Formats

  • Natural or colored (red, brown)
    pumice
  • Grain sizes:
    • Fine: 1–3 mm
    • Medium: 3–10 mm
    • Coarse: 10–50 mm
  • Form: Crushed, irregular gravel, or
    blocky pebbles
  • Packaging: Bulk or bagged
    (customized on request)