Page 124 - ELT_15th July 2020_Vol 373_Part 2

E34 EXCISE LAW TIMES [ Vol. 373

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measured in accordance with standard E-139.
ASTM standard E-139. 3. ‘Low cycle fatigue life’ should be
3. ‘Low cycle fatigue life’ should measured in accordance with ASTM
be measured in accordance with Standard E-606 ‘Recommended Prac-
ASTM Standard E-606 ‘Recom- tice for Constant-Amplitude Low-
mended Practice for Constant- Cycle Fatigue Testing’ or national
Amplitude Low-Cycle Fatigue Test- equivalents. Testing should be axial
ing’ or national equivalents. Test- with an average stress ratio equal to 1
ing should be axial with an average and a stress-concentration factor (Kt)
stress ratio equal to 1 and a stress- equal to 1. The average stress ratio is
concentration factor (Kt) equal to 1. defined as maximum stress minus
The average stress ratio is defined minimum stress divided by maximum
as maximum stress minus mini- stress.
mum stress divided by maximum
stress.
22. Change in 8C106 8C106
8C106.d. Fluids and lubricating materials, Fluids and lubricating materials, as
as follows : follows :
a. (Reserved) a. (Reserved)
b. Lubricating materials con- b. Lubricating materials contain-
taining, as their principal ing, as their principal ingre-
ingredients, any of the fol- dients, any of the following :
lowing :
1. Phenylene or al- 1. Phenylene or al-
kylphenylene ethers kylphenylene ethers or
or thio-ethers, or their thio-ethers, or their mix-
mixtures, containing tures, containing more
more than two ether than two ether or thio-
or thio-ether func- ether functions or mix-
tions or mixtures tures thereof; or
thereof; or
2. Fluorinated silicone 2. Fluorinated silicone flu-
fluids with a kine- ids with a kinematic vis-
matic viscosity of less cosity of less than 5,000
than 5,000 mm 2 /s mm 2 /s (5,000 cen-
(5,000 centistokes) tistokes) measured at
measured at 298 K 298 K (25°C);
(25°C);
c. Damping or flotation fluids c. Damping or flotation fluids
having all of the follow- having all of the following :
ing : 1. Purity exceeding 99.8%;
1. Purity exceeding 2. Containing less than 25
99.8%; particles of 200 µm or
2. Containing less than larger in size per 100 ml;
25 particles of 200 and
m or larger in size 3. Made from at least 85%
per 100 ml: and of any of the following :
3. Made from at least a. Dibromotetrafluo-
85% of any of the fol- roethane (CAS
lowing :
EXCISE LAW TIMES  15th July 2020  124