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Pumice (aggregate, horticulture and stonewashing)

Industrial minerals

Pumice (aggregate, horticulture and stonewashing)

Light, porous volcanic stone in several grain sizes for lightweight concrete and block aggregate, horticulture and landscaping, and denim stonewashing.

  • Nevşehir origin
  • A1 non-combustible
  • λ 0.11–0.18 W/mK
  • ISO 9001, TS EN and CE certified production
Delivery terms
FOBCFRCIFDAP Incoterms 2020
Packaging
Bulk, big bags (approx. 1 m³) or 25–50 kg sacks; containers or bulk vessels
Origin
Türkiye

Price, minimum order quantity and lead time are quoted per request.

Use the request list to request several products at once.

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Energy saving and environment

A natural volcanic rock; as a lightweight aggregate it improves building insulation, and in farming it raises water retention.

Series and technical data

CodeTypeUseGrain size (mm)Dry unit weightWater absorption (%)Fire class Add to request list
MM-PM03 Fine pumice Plaster, dry-mix mortar, fine aggregate 0–4 750–830 kg/m³ 23–26 A1
MM-PM38 Medium pumice Lightweight block and concrete aggregate 4–8 560–600 kg/m³ 34–36 A1
MM-PM816 Coarse pumice Lightweight concrete, fill, drainage 8–16 500–520 kg/m³ 39–41 A1
MM-PM-AG Horticultural pumice Soil conditioner, potting, landscaping, bonsai 2–8 560–750 kg/m³ 25–35
MM-PM-TX Stonewashing pumice Denim washing and ageing 15–50 ≈24

Codes are Mimosi reference codes – just quote the code in your request. Values are typical; exact values are given in the data sheet with our offer.

How to choose

  1. Choose grain size by use: 0–4 and 4–8 mm for lightweight blocks, 2–8 or 8–16 mm for horticulture and landscaping, 15–50 mm for denim stonewashing.
  2. Stonewashing needs hard white pumice that lasts in the drum and leaves no colour; ask for a sample for a trial wash.
  3. Pumice absorbs water, which affects both freight weight and concrete mix design; state whether you need dried or natural-moisture material.
  4. For aggregate use ask for the CE declaration and TS EN 13055 conformity; for horticulture, the analysis report.

What we need for a quote

Include these details in your request and we can confirm price and lead time in our first reply.

  • Use and grain size
  • Quantity (tonnes or m³)
  • Dried / natural moisture
  • Packing: bags, big bags or bulk
  • Destination port and documents required
Request a quote for this product

Description

Thanks to its porous structure, pumice is light and provides thermal and acoustic insulation. In construction it is used as aggregate for lightweight blocks, lightweight concrete and plaster; in horticulture as an additive that aerates soil and holds water; and in textiles as a stone that softens and ages denim.

Türkiye's main pumice deposits are in the Nevşehir and Bitlis regions. Just tell us the grain size and the application; we ship aggregate and horticultural pumice in bulk or big bags, and stonewashing pumice in sacks.

Technical specifications

Product typeNatural pumice (acidic / white pumice)
Chemical composition (typical)SiO₂ 65.8–72 % · Al₂O₃ 12.7–17.1 % · Fe₂O₃ 1.2–4.7 % · K₂O + Na₂O 5.6–8.5 %
Bulk density500–830 kg/m³ (0–4 mm: 750–830 · 4–8 mm: 560–600 · 8–16 mm: 500–520)
MoistureDried or natural, on request
UseLightweight block and concrete aggregate, plaster, horticulture and landscaping, denim stonewashing
Thermal conductivityλ 0.11–0.18 W/mK
FireA1 (non-combustible) · melting point ≈1260 °C
HardnessMohs 5.5–6
OriginNevşehir (geographical indication region)
DocumentsAnalysis report, certificate of origin; producer holds ISO 9001, TS EN conformity and CE

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