HollowBlock1

Dimensions  
Dimensions (mm) 400 x 200 x 100 400 x 150 x 200 400 x 200 x 200 400 x 250 x 200 400 x 300 x 200  
Sizes (inch) 4" 6" 8" 10" 12"  
Average gross block weight (kg) 14 18 23 26 29  
Average gross dry density (kg/m3) 2260 2120 2310 2400 2410  
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