COBRA

COBRA Images

COBRA

COBRA Description

ORIGIN BRAZIL
BLOCK SIZES NORMALDIMENSIONS
COLOUR UNIFORMITY MEDIUM
AVAILABILITY GOOD
PREVAILING USE INTERIORANDEXTERIOR
POLISHING TREATMENT GOOD
OTHER SURFACE TREATMENTS POSSIBLE
GENERAL COMMENTS

BASED ON THE UNIFORMITY AND AVAILABILITY IS SUITABLE FOR MEDIUM JOBS. A PRIOR SELECTION IS RECOMMENDED.
EXAMPLES OF TEST RESULTS:

COMPRESSIVE STRENGTH 1992Kg./cm.. 1995Kg./cm..
DITTO AFTER GELIVITY 1870Kg./cm.. 1880Kg./cm..
WATER ABSORPTION 0,38% 0,40%
ULTIMATE TENSIL STRENGTH 132Kg./cm.. 136Kg./cm..
IMPACT TEST-MIN. FALL HEIGHT
THERMAL COEFF. EXPANSION
ABRASION COEFFICIENT
BULK DENSITY 2790Kg./m.. 2800Kg./m..
ELASTICITY MODULE
KNOOP MICROHARDNESS
FLEXURAL STRENGTH
POROSITY

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