nature (quartzite). color minor color tonal variations exist but within the tolerance limit. hardness to on moh's scale density to kg/cm compressive strength to n/mm modulus of rupture - n/mm water absorption - % porosity low to very low. weather impact resistant chemical properties of quartzite chemically...
as investors pay closer attention to how companies manage these issues. it also represents a test for the industry's sustainability certifier, which has come under fire from advocacy groups for not adequately enforcing its sustainability standards. palm oil is one of the world's most-widely used vegetable...