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Pozza

Natural Pozzolan

Pozza is a natural pozzolan used to increase the strength and the durability of air lime or natural hydraulic lime-based mortars.

15 KG kraft bags.
General Characteristics
  • High-purity natural pozzolan produced in Turkey.
  • Substitutes with lime while forming mortars.
  • High amorphous SiO2 content.
  • Suitable to be used in restoration works.
  • Suitable for green buildings.
  • High contribution to late strength.
  • Decreases the capillary water absorption.
  • In gray color.
  • High activity index at 28 days and 90 days.
  • Low chloride content.
  • Low sulphate content.
Areas of Usage
  • As binder with natural hydraulic lime or non-hydraulic lime.
  • In repair, injection, brickdust and pointing mortars, rough/finishing plasters
Technical Features
Specifications BS EN 8615 Limit UoM Pozza
SiO2+Al2O3+Fe2O3 ≥ 70 % 80,5
SO3 ≤ 3 % 0,10
Cl ≤ 0.1 % 0,022
Reactive SiO2 ≥ 25.0 % 51,63
Moisture Content ≤ 3 % 2,1
Pozzolanic Activity ≥ 4.0 MPa 11,8
Activity Index (AI) at 28 days ≥ 75.0 % 97,5
Activity Index (AI) at 90 days ≥ 85.0 % 98,4
Color - - Gray
Particle Size - µm < 100
Specific Density - g/cm3 2,32
Specific Surface - cm2/g 10450
Product Documentation
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