ASTM E1272-02(2012)

1.1.1 Class A—Each cylinder of precision grade shall be marked with the letter “A” to signify compliance with applicable construction and accuracy requirements. Cylinders may be marked with an identification number (serial number) at the option of the manufacturer.

1.1.2 Class B—General purpose cylinders are of the same basic design as Class A cylinders. However, volumetric tolerances for Class B cylinders shall be within twice the specified range allowed for Class A cylinders. These cylinders need not be marked with their class designation.

1.1.3 Product with a stated capacity not listed in this standard may be specified in class A tolerance when product conforms to the tolerance range of the next smaller volumetric standard product listed in Table 1.

TABLE 1 Dimensions and Tolerances

Capacity, mL

Main

Graduations, Intermediate

Least^A

Distance From Scale to Top, mm

Minimum
Wall Thick-
ness, mm

Maximum
Inner
Diameter,
mm

Standard Taper () Stopper Number^B

Tolerances to Contain or to Deliver ± mL

max

min^C

Class A

Class B

5

1.0

0.5

0.1

50

20

0.9

11.2

9

0.05

0.10

10

1.0

0.5

0.1

60

20

1.0

15.2

9

0.10

0.20

10

1.0

...

0.2

60

20

1.0

15.2

13

0.10

0.20

25

2.0

1.0

0.2

80

20

1.1

18.5

13

0.17

0.34

25

5.0

1.0

0.5

60

20

1.1

19.3

13

0.17

0.34

50^D

5.0 or 10.0

5.0

1.0

80

20

1.2

23

16

0.25

0.50

100

10.0

5.0

1.0

80

20

1.3

29.6

16 or 22

0.50

1.00

250

20.0

10.0

2.0

100

30

1.5

42.4

22 or 27

1.00

2.00

500

50.0

25.0

5.0

100

35

1.6

50.8

27 or 32

2.00

4.00

1000

100.0

50.0

10.0

110

45

2.0

63

32

3.00

6.00

2000

200.0

100.0

20.0

125

50

2.0

82.1

38

6.00

12.00

4000

500.0

250.0

50.0

130

50

2.2

110

...

14.50

29.00

^A Lines below the first numbered line may be omitted.

^B Applies to Style II only.

^C For Style II, measurement is to bottom of stopper.

^D Main graduations may be each 5 or 10 mL. If main graduations are each 5 mL, intermediate graduations do not apply.