SCOPE: This Indian standard covers the physical and chemical requirements of cationic bitumen emulsion for application in road works.
a. Glass Beakers :1 000 ml capacity .
b. Glass Rods : Polished 6.5 ± 0.5 mm in diameter and 175 ± 0.5 mm in length.
c.Balance :500 g capacity accurate to 0.1 g.
d.Oven :Thermostatically controlled at a temperature of 163 ± 2.8°C.
1.Take 3 beaker & glass rod & weigh them with the glass rod. This will be in grams(B).
2.Now take 50 ± 0.1 g of well mixed emulsion into each of the 3 beakers as stated above .
3.Now keep this beaker along with the glass rod in the oven at 163 ± 2.8°C for 2 hours.
4.After completing two hours , taken out all three beaker and stir them thoroughly.
5.Keep all three beaker with glass rod for another 1 hour then withdraw from oven and let them cool at room temperature’
6.Now weigh each beakers along with the rods & residue. This will be in grams(A)
Residue, percent = 2 (A – B)
where, A = mass of beaker, rod and residue, in g; and B = tare mass of beaker and rod, in g.
For the accuracy of the result take the average of them in %.
TESTS ON RESIDUE
From this emulsion residue we can perform the following test:
1.Penetration Determination accordance with IS 1203.
2.Ductility Determination according with IS 1208
3.Determination of Solubility in Trichloroethylene with IS 1216
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