Tests shall be conducted as per the following Perlite Institute/ ASTM Standards.
Grading
Sieve analysis
PI - 113 or ASTM
Apparent density
PI – 116
Compact density
PI - 01
PH of Perlite
PI – 202
Test for water repellency
PI – 303
Organic content
ASTM C 40 92
Combustibility test
Compressive strength of lightweight concrete
ASTM C 49
Slump test
ASTM C – 143 – 78
Moisture content
PI-118-77
Thermal conductivity
IS 3346
..::::: TEST REPORT
Test Reports shall be made of all tests performed in accordance with the above specifications as required by the customer. For facility not available at KEL laboratory, tests will be conducted at outside agency laboratories
The test reports shall contain the following information.