Description and Specification for Lab Tenders
Expansion Index Test Apparatus.
Specimen Ring: Stainless steel; 101.6 x 25.4 mm (4" internal diam. x 1" h.).
Construction: The unit consists of a cast aluminum base and collar, stainless steel specimen ring.
Base and Collar: Cast aluminum construction; brass hold-down rods.
Dial Indicator: 0.3" range x 0.0001" graduations. 8 mm range x 0.002 mm graduations.
Test Duration: 24 hours or less on the cured sample.
Porous Stones: 101.4 x 12.7 mm (4" diam. x 1/2" thick).
Loading Weight: Brass; 5.7 kg (12.6 lbs.).
