Natural Hydraulic Lime 2.0 - 25 KG
Calcidur® NHL 2Composition:
CALCIDUR ® is a Natural Hydraulic Lime EN 459-1 - NHL 2 CALCIDUR ® is produced from heating limestone in a shaft kiln. Natural Hydraulic Limes are made today in much the same way as they have been for centuries. Natural Hydraulic Limes have unique qualities that have been tested by time and cannot be equaled.Use:
Because of their composition and performance characteristics, Natural Hydraulic Limes are the ideal product for a wide range of applications including building, pointing, render and plaster for the conservation, restoration and repeat of historic buildings. There is nothing more sustainable than successfully re-using the buildings we have. Conservation of the built heritage helps to reduce the use of precious resources, maintains the built environment and secures local heritage and traditions for the future generations.
1 part NHL to 3 part sand maximumWeight
CALCIDUR® NHL 2 is a natural hydraulic lime acc. to EN 459-1. It is produced through burning and staking a specifically selected shell limestone. The stabilizing process of CALCIDUR® NHL 2 is effected through carbonation and hydraulic hardening. CALCIDURry® NHL 2 is free from cement!Properties
• historic, cement- and gypsum-free natural hydraulic binder
• high sulfate resistance
• low-tension hardening process
• very good subsequent hardening properties
• no penetration of damaging salts into the mason
• high elasticity and water retention capacity in mortar produced
• very good side adhesion at stone
• low elasticity moduleApplication
For the production of plaster- and brick mortar in ecological,biological building construction, in the restoration and preservation of historic buildings.Storage
Dry, if possible on wooden shelves and protected against draft.Technical data
Bulk density: approx. 0.5 kg/dm3
free CaO: approx. 35%
SO3: approx. 0.4 %Compression strength ( acc. to EN 459-2):
28 days: approx. 4.0 N/mm2
6 months: approx. 6.5 N/mm2
12 months: approx. 8.5 N/mm2Safety instructions
CALCIDUR® NHL 2 reacts strongly alkaline with water, thus: Protect skin and eyes, rinse thoroughly with water in case of contact, immediately contact doctor in case of eye contact.Quality-monitored production
CALCIDUR® NHL 2 is continuously tested in our plant laboratory within the scope of our in-house monitoring with respect to the fulfillment of composition and properties. This will ensure a uniform quality of the product. CALCIDUR® NHL 2 has the quality certificate Building lime“ and is certified acc. to EN 459-1.
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