DLA A-A-55697 B-2012 TUBE NONMETALLIC POLYVINYL CHLORIDE (PVC) FLEXIBLE (FOR LABORATORY AND MEDICAL USE).pdf
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1、 Comments, suggestions, or questions on this document should be addressed to: DLA Land and Maritime, Attn: VAI, P.O. Box 3990, Columbus, OH 43218-3990, or emailed to FluidFlowdla.mil. Since contact information can change, you may want to verify the currency of this address information using the ASSI
2、ST Online database at https:/assist.daps.dla.mil. AMSC N/A FSC 4720 A-A-55697B 22 February 2012 SUPERSEDING A-A-55697A 9 October 2002 COMMERCIAL ITEM DESCRIPTION TUBE, NONMETALLIC; POLYVINYL CHLORIDE (PVC) FLEXIBLE (FOR LABORATORY AND MEDICAL USE) The General Services Administration has authorized t
3、he use of this commercial item description for all federal agencies. 1. SCOPE. This commercial item description (CID) covers the general requirements for clear flexible PVC tubing. Clear flexible PVC tubing covered by this CID is intended for commercial/industrial applications in medical and laborat
4、ory application, including fluid signals, low pressure air, gas, and vacuum but not limited to medical transfusions and infusions. 2. CLASSIFICATION/PART OR IDENTIFICATON NUMBER (PIN). This CID uses a classification system which is included in the PIN as shown in the following example (see 7.1). 2.1
5、 Sizes. Plastic tubing should be of the nominal inside diameter (ID), outside diameter (OD) and wall thickness, as specified in table I. AA 55697 X X X Form (see table III) Length (see table II) Size code (see table I) Basic CID identifier (number) Document identifier (CID) INCH-POUND Provided by IH
6、SNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55697B 2 TABLE I. Inside/outside diameter and wall thickness of tubes. 1/ 2/ 3/ Size code Nominal ID 4/OD nominal WT 5/(inches) (mm) (inches) (mm) (inches) (mm) 01 0.125 (3.2) 0.1875 (4.8) 0.0313 (0.8) 02 0.1563
7、(4.0) 0.2813 (7.1) 0.0625 (1.6) 03 0.1875 (4.8) 0.3125 (7.9) 0.0625 (1.6) 04 0.2500 (6.4) 0.3750 (9.5) 0.0625 (1.6) 05 0.3125 (7.9) 0.4375 (10.5) 0.0625 (1.6) 06 0.3750 (9.5) 0.5000 (12.7) 0.0625 (1.6) 07 0.3750 (9.5) 0.6250 (15.9) 0.1250 (3.2) 08 0.5000 (12.7) 0.7500 (19.1) 0.1250 (3.2) 09 1.0000 (
8、25.4) 2.0000 (50.8) 0.5000 (12.7) 1/ Dimensions are in inches. 2/ Metric equivalents are given for information only. 3/ Sizes other than those shown in table I may be ordered by specifying dimensional data in lieu of PIN (see 7.1). 4/ Tolerance on inside diameter for all sizes shall be .0156 inch (0
9、.4 mm). 5/ Tolerance on wall thickness for all sizes shall be - 0 or +.0156 inch (-0.00 or +0.4 mm). 3. SALIENT CHARACTERISTICS. 3.1 Interface and physical dimensions. Tubing supplied to this CID shall be as specified herein. 3.2 Material. Tubing provided in accordance with this CID shall be colorle
10、ss, clear, and flexible PVC. 3.3 Dimensioning. The values stated in inch-pound units are to be regarded as the standard. The metric values stated in parentheses throughout this CID are for informational purposes only and have been rounded to only one decimal place for convenience. 3.4 Lengths. Tubin
11、g shall be furnished in the length specified in table II (see 7.5c). TABLE II. Tubing lengths. 1/ 2/Length code Length A 50 Feet 15.24 meters B 100 Feet 30.48 meters C 250 Feet 76.20 meters D 500 Feet 152.40 meters E 1000 Feet 304.80 meters 1/ Dimensions are in inches. 2/ Metric equivalents are give
12、n for information only. 3.5 Form. Tubing shall be furnished in the form specified in table III (see 7.5c). TABLE III. Tubing forms. Form code Form 1 Coils 2 Reels 3 Straight Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55697B 3 3.6 Flexibility
13、. Tubing shall be capable of bending around a mandrel equal to five times the OD of the tube without collapsing or restricting flow. 3.7 Physical properties. Physical properties of the tubing shall be as specified in table IV when tested in accordance with the test method shown. TABLE IV. Physical p
14、roperties. Property Requirement Test method Brittleness temperature -50.8F (-46C) ASTM D746 Specific gravity 1.15 - 1.80 ASTM D792 Tensile strength, psi 1800 - 2100 ASTM D638 Elongation, percent 300 minimum ASTM D638 3.8 Chemical resistance. Tubing shall not discolor, flake, crack or pit when tested
15、 in accordance with USP-NF, Physicochemical Tests-Plastics, ASTM D1003, Standard Method of Test for Haze and Luminous Transmittance of Transparent Plastics, and ASTM E308, Standard Practice for Computing the Colors of Objects by Using the CIE System. 3.9 Sterilization. Tubing shall be capable of wit
16、hstanding sterilization by steam, ethylene oxide, radiation, or other method that meets the requirements of the USP-NF, Sterility Tests for Transfusion and Infusion Assemblies and Similar Medical Devices. 3.10. Heat resistance. Tubing shall be capable of withstanding temperatures of 2005 F (93.32.8
17、C) for one hour without visual signs of deterioration such as discoloring, flaking, cracking, pitting, hardening, or melting. 3.11 Biological reactivity. Tubing shall meet the requirements of USP Class II plastics and the Association for the Advancement of Medical Instrumentation, AAMI/ANSI 10993-1.
18、 3.12 Metal content. The use of hazardous materials (see 7.2) shall be eliminated or minimized where possible. Tubes shall not contain more than five parts per million (ppm) of heavy metals, such as lead, in their ash residue when tested as follows: a. Two sample tubes shall be selected at random fr
19、om each lot (lot is defined as a continuous run of tubing from the same batch or raw material, and offered for delivery under one contract). b. From each sample accurately weigh a 0.176 oz. (5 gm) sample into one-ounce VYCOR crucibles. c. Reduce to ash in a muffle furnace at 1202F (650C) for 8 hours
20、. d. Let cool to room temperature and add 0.507 fluid ounces (15 ml) of 1:1 hydrochloric acid. e. Bring to a boil on a hot plate, allow to boil for two to three minutes, remove, let cool and filter through Whatman grade #2 filter paper (particle retention 8m) into a 1.691 fluid ounces (50 ml) volume
21、tric flask. f. Rinse the residue from the filter with deionized water and dilute to 1.691 fluid ounces (50 ml). g. Prepare standard lead solutions of one, two, and five ppm lead. h. Determine the absorbencies of these solutions at the 283 millimicron wavelength using a Hollow Cathode Pb lamp and 10x
22、 scale expansion on an atomic absorption spectrophotometer. i. Determine the absorbance of the sample solutions using the same conditions as with the standards. j. The calculated factors of the three standards are averaged to give ppm/unit A. Provided by IHSNot for ResaleNo reproduction or networkin
23、g permitted without license from IHS-,-,-A-A-55697B 4 Calculation: Lead content in ppm = AFDilutionWA = Absorbance F = Factor = (concentration standard in ppm Pb)absorbanceW = Sample weight in grams 3.13 Marking. Tubing supplied to this CID shall be marked with the manufacturers (MFRs) standard comm
24、ercial PIN. (NOTE: The part number marked on the unit pack shall be the CID PIN.) 3.14 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable materials should be used to the maximum extent possible provided that the material meets or exceeds
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