[Discontinued] SainSmart Brown Resin Board for CNC Engraving

SPECIFICATION Size: 100 x 100 x 30 mm(3.9" x 3.9" x 1.2") & 50 x 100 x 30 mm(2.0" x 3.9" x 1.2") Density: 0.83 g/cm³ Shore hardness:65-70 Compressive strength: 30~35 Compression factor: 1080 Thermal expansion coefficient: 45~50 Heat distortion temperature: 85℃ WHAT'S IN THE PACKAGE 1 x Resin Board (100 x 100 x 30 mm) 1 x Resin Board (50 x 100 x 30 mm)