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Parameters tested

Values

Requirements

Specific gravity

2.58

Fineness by air permeability Test

844.6 kg/m2

Minimum 250 kg/m2

Initial Setting time

4 hours

Minimum 2 hours

Final setting time

24 hours

Maximum 48 hours

Normal consistency

80%

-

Soundness Test

-

-

7 days Average wet compressive strength of mortar cubes of 50 mm size (1LPC: 3Sand)

0.73 MPa

Minimum 0.3 MPa for LP7 grade LPC

28 days Average wet compressive strength of mortar cubes of 50 mm size (1LPC: 3Sand)

Minimum 0.7 MPa for LP7 grade LPC