Micro Crystalline Wax.

Sl. No. Characteristics Requirement Method of Test
Reference to
TYPE A TYPE B TYPE C TYPE D TYPE E Annex (P:) of IS
1448
1 Drop melting point 65-70°C 70-80°C 70-80°C 85-95°C 85-95°C A [P:52]
2 Ash percent by
mass, Max
0.03 0.03 0.03 0.03 0.03 [P: 4/Sec1]
3 Acidity:
a) Organic (mg of
KOH per g), Max
0.10 0.10 0.10 0.10 0.10 [P: 2]
b) Inorganic (mg of
KOH per g), Max
0.02 0.02 0.02 0.02 0.02
4 Saponification
value, Max
1.0 1.0 1.0 1.0 1.0 [P:55/Sec1]
5 Oil content, percent
by mass, Max
4.0 4.0 2.0 1.5 4.0 B of
IS 4654
6 Colour, ASTM, Max 2 2 0.5 1 5 [P: 12]
7 Needle penetration,
1/10 mm (at 25°, 5
s, 100 g)
10 to 25 20 to 35 25 to 35 2 to 10 2 to 10 [P: 93]
8 Viscosity at 100°C,
mm2
/s
10 to 18 15 to 20 15 to 20 15 to 20 15 to 20 [P:25/Sec1]
9 Ultraviolet (UV
absorbance per
centimetre path
length), Max
280-289 nm 0.15 0.15 0.15 0.15 D of
IS 4654
290-299 nm 0.12 0.12 0.12 0.12 D of
IS 4654
300-359 nm 0.08 0.08 0.08 0.08 D of
IS 4654
360-400 nm 0.02 0.02 0.02 0.02 D of
IS 4654
10 Flash point, COC,
ºC, Min
260 260 260 260 [P: 69]
11 Odour 0 0 0 0 E of IS
4654