SDMO R33C3 User And Maintenance Manual page 153

Chapter 6 COOLANT
Test piece
Circulation
metallic causticity
(88±3°C
[190±37°F],
1000±2 Hr,
30 vol % (E.G))
Properties of
liquid after the
examination
Condition of
parts
Silicon
Rubber
adaptability Acrylonitrile
(30 vol %, butadiene
115°C [239°F], rubber
360 Hr)
Ethylene
propylene
diene monomer
Storage stability vol % (30 vol %, room temperature, 6 Hr)
6-4
Table 6-2 LLC specification
Property
Aluminum
Cast iron
Steel
Mass
change
Brass
Solder
Copper
External of test piece after the
examination
pH
pH change
External of liquid
Pump seal
Inside of pump case and blade Not remarkable corrosion
Tensile strength change
Elongation change
Volume change
Hardness change
Tensile strength change
Elongation change
Volume change
Hardness change
Tensile strength change
Elongation change
Volume change
Hardness change
151/242
Standard
±0.60 mg/cm 2
2
±0.30 mg/cm
2
±0.30 mg/cm
2
±0.30 mg/cm
2
±0.60 mg/cm
±0.30 mg/cm 2
Not corrosion on surface excluding between
test piece and spacer. Discoloration is OK.
6.5 to 11.0
Maximum ±1.0
Not remarkable discoloration, separation
and gel.
Not trouble while the examination
-60 to 0 %
-40 to +20 %
0 to +40 %
-20 to +10 %
0 to +10 %
-15 to +15 %
0 to +40 %
-10 to 0 %
0 to +10 %
-30 to 0 %
0 to +10 %
-10 to 0 %
Maximum 0.3