MODULUS OF RUPTURE TEST - GB/T18102-2007 (6.3.5) and GB/T 17657-1999 (4.9) (adapted)

1. TOOLS  
1.1 Panel Universal Testing Machine
1.2 Vernier caliper

2. SAMPLING
2.1 Length: (20*thickness of sample + 50mm) +/-2 mm, ≥150 mm
2.2 Width: 50 mm+/-1 mm
2.3 Total 6 samples

         
3. ENVIRONMENTAL CONDITIONS
Temperature: 20 (+/-2)° C 
Humidity: 65 (+/-5)%
        
4. TESTING PROCEDURE
4.1 Adjust the span to 200 mm
4.2 Place the samples on the test machine and perform the software-controlled test



4.3 Obtain computer-generated test report

5. ASSESSING TEST RESULTS
Modulus of Rupture Passing level:  ≥ 35 MPa