[High Strength Grade Coursing units]
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Compressive strength 7.3 N/mm².
[Super Strength Grade Coursing units]
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Compressive strength 8.7 N/mm².
[Solar Grade Coursing units]
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Compressive strength 2.9 N/mm³.
[Standard Grade Coursing units]
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Compressive strength 3.6 N/mm².