Evaluating Cortec VpCI-126 Blue Film With Requirements Listed on Performance Specification MIL-PRF-3420G
Background: Cortec Corporation is seeking to have Cortec VpCI-126 listed on qualified product list MIL-PRF-22019D. The process of getting listed, involves Cortec Corporation performing the requirement tests as listed in performance specification MIL-PRF-22019D. Upon attaining results in compliance with what is listed in performance specification MIL-PRF-22019D, Cortec Corporation will submit product to Naval Air Systems Command. Naval Air Systems Command will then repeat testing to confirm results attained by Cortec Corporation.
Purpose: Evaluate Cortec VpCI-126 Blue film with test methods and requirements, from Performance Specification MIL-PRF-22019D table I.
Method: Seam Strength Test (MIL-PRF-22019D, Section 4.6.2)
Seam Strength Test after aging at 160 deg F for 12 days (MIL-PRF-22019D, Section 4.6.2.3)
Seam and material water resistance (MIL-PRF-22019D, Section 4.6.3)
Puncture Resistance (FED-STD-101 Test Method No. 2065)
Compatibility with Copper (MIL-PRF-22019D, Section 4.6.4)
Vapor inhibitor ability Test (FED-STD-101 Test Method No. 4031, procedure B)
Vapor inhibitor ability Test after exhaustion (FED-STD-101 Test Method No. 4031, procedure B)
Contact Corrosivity (FED-STD-101 Test Method No. 3005)
Low Temperature Flexibility (MIL-PRF-22019D, Section 4.6.6)
Blocking Resistance (FED-STD-101 Test Method No. 3003, procedure A)
Tearing Strength (ASTM D689)
Transparency as received (FED-STD-101 Test Method No. 4034)
Transparency after aging 12 days at 150 deg F (FED-STD-101 Test Method No. 4034)
Oil Resistance (FED-STD-101 Test Method No. 3015)
Long Term Protection (MIL-PRF-22019D, Section 4.6.5)
Water Resistance of Markings (FED-STD-101 Test Method No. 3027, change 2)
One Year Storage Stability: Seam Strength as received (MIL-PRF-22019D, Section 4.6.5, 4.6.2)
One Year Storage Stability: Seam Strength after aging at 160 deg F for 12 days (MIL-PRF-22019D, Section 4.6.5, 4.6.2.3)
One Year Storage Stability: Vapor inhibitor ability Test (MIL-PRF-22019D, Section 4.6.5, FED-STD-101 Test Method No.
4031, procedure B)
One Year Storage Stability: Transparency as received (MIL-PRF-22019D, Section 4.6.5, FED-STD-101 Test Method No. 4034)
One Year Storage Stability: Transparency after aging 12 days at 150 deg F (MIL-PRF-22019D, Section 4.6.5, FED-STD-101 Test Method No. 4034)
Materials: Cortec VpCI-126 Blue film (8 mil)
See standard operating procedures for the above-mentioned methods, for a description of materials involved.
Procedure: The above tests were performed according to standard procedures for each.
Results:
Seam Strength Test as received
Procedure was done according to MIL-PRF-22019, section 4.6.2.
Note: No impulse seals were done, only heat seals.
Drawing of film sample attached. Seal width is 0.70Ó, Temperature of seal is 530 deg F, Seal time is 3 seconds.
Seam strength Òas receivedÓ Test results
| Material | Sealed face condition
after five minutes |
Requirement |
| Cortec VpCI-126 Blue film with heat sealing | No delamination | 50 % (max) |
| Cortec VpCI-126 Blue film with heat sealing | No delamination | 50 % (max) |
| Cortec VpCI-126 Blue film with heat sealing | No delamination | 50 % (max) |
Seam Strength Test after aging at 160 deg F for 12 days
Procedure was done according to MIL-PRF-22019D, section 4.6.2.3.
Note: No impulse seals were done, only heat seals.
Drawing of film sample attached. Seal width is 0.70Ó, Temperature of seal is 530 deg F, Seal time is 3 seconds.
Seam Strength after aging at 160 deg F for 12 days Test results
| Material | Sealed face condition
after five minutes |
Requirement |
| Cortec VpCI-126 Blue film with heat sealing | No delamination | 50% (max) |
| Cortec VpCI-126 Blue film with heat sealing | No delamination | 50% (max) |
| Cortec VpCI-126 Blue film with heat sealing | No delamination | 50% (max) |
Seam and Material water resistance
Preparation of reagent was done according to 4.6.3.1
Notes from testing attached.
Seam and Material water resistance test results
| Material | % of staining on
white absorbent paper |
Requirement |
| Cortec VpCI-126 Blue film | 0% | Seams and barrier shall have no leakage |
| Cortec VpCI-126 Blue film | 0% | Seams and barrier shall have no leakage |
| Cortec VpCI-126 Blue film | 0% | Seams and barrier shall have no leakage |
| Cortec VpCI-126 Blue film | 0% | Seams and barrier shall have no leakage |
| Cortec VpCI-126 Blue film | 0% | Seams and barrier shall have no leakage |
| Cortec VpCI-126 Blue film | 0% | Seams and barrier shall have no leakage |
| Cortec VpCI-126 Blue film | 0% | Seams and barrier shall have no leakage |
| Cortec VpCI-126 Blue film | 0% | Seams and barrier shall have no leakage |
| Cortec VpCI-126 Blue film | 0% | Seams and barrier shall have no leakage |
| Cortec VpCI-126 Blue film | 0% | Seams and barrier shall have no leakage |
Puncture Resistance
Procedure was done according to FED-STD-101 Test Method No. 2065.
See attached report for Puncture Resistance test results
Compatibility with Copper
Procedure was done according to 4.6.4.2
Compatibility with Copper test results
| Material | Corrosion amount on
copper panels (%) |
Requirement |
| Cortec VpCI-126 Blue film
wrapped around Copper panel |
0 | No pitting, etching or discoloration of vapor
exposed copper surface, discount attacks within 1/16 inch of specimen |
| Cortec VpCI-126 Blue film
wrapped around Copper panel |
0 | No pitting, etching or discoloration of vapor
exposed copper surface, discount attacks within 1/16 inch of specimen |
| Cortec VpCI-126 Blue film
wrapped around Copper panel |
0 | No pitting, etching or discoloration of vapor
exposed copper surface, discount attacks within 1/16 inch of specimen |
Vapor inhibitor ability
Procedure was done according to Fed-STD-101 Test Method No. 4031 procedure B
Vapor inhibitor ability test results
| Material | Corrosion
observed (%) |
Requirement |
| Cortec VpCI-126 Blue film | 0 | No corrosion, etching, or pitting of the steel panelÕs polished surface |
| Cortec VpCI-126 Blue film | 0 | No corrosion, etching, or pitting of the steel panelÕs polished surface |
| Cortec VpCI-126 Blue film | 0 | No corrosion, etching, or pitting of the steel panelÕs polished surface |
| Control | ~ 40 | No corrosion, etching, or pitting of the steel panelÕs polished surface |
Vapor inhibitor ability (after exhaustion)
Procedure was done according to Fed-STD-101 Test Method No. 4031 procedure B
Vapor inhibitor ability (after exhaustion) test results
| Material | Corrosion
observed (%) |
Requirement |
| Cortec VpCI-126 Blue film | 0 | No corrosion, etching, or pitting of the steel panelÕs polished surface |
| Cortec VpCI-126 Blue film | 0 | No corrosion, etching, or pitting of the steel panelÕs polished surface |
| Cortec VpCI-126 Blue film | 0 | No corrosion, etching, or pitting of the steel panelÕs polished surface |
| Control | ~ 70 | No corrosion, etching, or pitting of the steel panelÕs polished surface |
Contact Corrosivity
Procedure was done according to Fed-STD-101 Test Method No. 3005
Panel type (Carbon Steel)
Contact Corrosivity test results
| Material | Corrosion observed (%) | Requirement |
| Cortec VpCI-126 Blue film | 0 | No corrosion, etching or pitting |
| Cortec VpCI-126 Blue film | 0 | No corrosion, etching or pitting |
| Cortec VpCI-126 Blue film | 0 | No corrosion, etching or pitting |
Low Temperature flexibility
Procedure was done according to 4.6.6.1.
Low Temperature flexibility test results
| Material | Qualitative results | Requirement |
| Cortec VpCI-126 Blue film | No delamination, cracks, tears observed | No delamination, cracks or tears |
| Cortec VpCI-126 Blue film | No delamination, cracks, tears observed | No delamination, cracks or tears |
| Cortec VpCI-126 Blue film | No delamination, cracks, tears observed | No delamination, cracks or tears |
| Cortec VpCI-126 Blue film | No delamination, cracks, tears observed | No delamination, cracks or tears |
| Cortec VpCI-126 Blue film | No delamination, cracks, tears observed | No delamination, cracks or tears |
Blocking Resistance
Procedure was done according to FED-STD-101 Test Method No. 3003 procedure A
Blocking Resistance test results
| Material | Qualitative results | Requirement |
| Cortec VpCI-126 Blue film | No blocking, delamination or rupture | No blocking, delamination, or rupture |
| Cortec VpCI-126 Blue film | No blocking, delamination or rupture | No blocking, delamination, or rupture |
| Cortec VpCI-126 Blue film | No blocking, delamination or rupture | No blocking, delamination, or rupture |
| Cortec VpCI-126 Blue film | No blocking, delamination or rupture | No blocking, delamination, or rupture |
| Cortec VpCI-126 Blue film | No blocking, delamination or rupture | No blocking, delamination, or rupture |
| Cortec VpCI-126 Blue film | No blocking, delamination or rupture | No blocking, delamination, or rupture |
| Cortec VpCI-126 Blue film | No blocking, delamination or rupture | No blocking, delamination, or rupture |
| Cortec VpCI-126 Blue film | No blocking, delamination or rupture | No blocking, delamination, or rupture |
Tearing Strength
Procedure ASTM D 1922-93 was used instead of required ASTM D 689. Both procedures are very similar, with ASTM D 689 being much more time consuming.
Tearing Strength (ASTM D 1922-93) test results
| Material | Test result (gf) | Requirement (gf) |
| Cortec VpCI-126 Blue film | 3392/3136 | 20 |
| Cortec VpCI-126 Blue film | 2432/2880 | 20 |
| Cortec VpCI-126 Blue film | 2240/3200 | 20 |
| Cortec VpCI-126 Blue film | 2816/3136 | 20 |
| Cortec VpCI-126 Blue film | 1728/3456 | 20 |
| Cortec VpCI-126 Blue film | 2624/2816 | 20 |
Transparency (as received)
Procedure was done according to FED-STD-101 Test Method No. 4034. Note: Current labeling on Cortec VpCI-126 Blue film was used and not the exact block style, lower case alphabet, and impression depth.
Test results for Transparency Test
| Material | Qualitative results | Requirement |
| Cortec VpCI-126 Blue film | Lettering is clear and legible | Lettering shall be clear and legible |
| Cortec VpCI-126 Blue film | Lettering is clear and legible | Lettering shall be clear and legible |
| Cortec VpCI-126 Blue film | Lettering is clear and legible | Lettering shall be clear and legible |
Transparency (after aging 12 days at 150 deg F)
Procedure was done according to FED-STD-101 Test Method No. 4034. Note: Current labeling on Cortec VpCI-126 Blue film was used and not the exact block style, lower case alphabet, and impression depth.
Test results for Transparency (after aging 12 days at 150 deg F)
| Material | Qualitative results | Requirement |
| Cortec VpCI-126 Blue film | Lettering is clear and legible | Lettering shall be clear and legible |
| Cortec VpCI-126 Blue film | Lettering is clear and legible | Lettering shall be clear and legible |
| Cortec VpCI-126 Blue film | Lettering is clear and legible | Lettering shall be clear and legible |
Oil Resistance (Delamination)
Procedure was done according to FED-STD-101 Test Method No. 3015 (di-2-ethylhexyl sebacate synthetic oil was only oil used)
Test results for Oil Resistance (Delamination)
| Material | Leakage (%) | Requirement |
| Cortec VpCI-126 Blue film | <1.0 | No leakage, swelling, delamination, or embrittlement |
| Cortec VpCI-126 Blue film | <1.5 | No leakage, swelling, delamination, or embrittlement |
| Cortec VpCI-126 Blue film | <0.95 | No leakage, swelling, delamination, or embrittlement |
| Cortec VpCI-126 Blue film | <1.0 | No leakage, swelling, delamination, or embrittlement |
| Cortec VpCI-126 Blue film | <1.0 | No leakage, swelling, delamination, or embrittlement |
4.6.5 Long Term Protection
Procedure done according to 4.6.5.1
Long term protection test results
| Material | Qualitative results | Requirement |
| Cortec VpCI-126 Blue film | No corrosion of steel panels.
Lettering is clear and legible |
No corrosion of steel panels.
Shall comply with transparency requirement |
| Cortec VpCI-126 Blue film | No corrosion of steel panels.
Lettering is clear and legible |
No corrosion of steel panels.
Shall comply with transparency requirement |
| Cortec VpCI-126 Blue film | No corrosion of steel panels.
Lettering is clear and legible |
No corrosion of steel panels.
Shall comply with transparency requirement |
Water resistance of Markings
Procedure was done according to FED-STD-101 Test Method No. 3027
Water resistance of markings test results
| Material | Qualitative results | Requirement |
| Cortec VpCI-126 Blue film | Observed markings are clear and legible | Markings shall be clear and legible |
| Cortec VpCI-126 Blue film | Observed markings are clear and legible | Markings shall be clear and legible |
| Cortec VpCI-126 Blue film | Observed markings are clear and legible | Markings shall be clear and legible |
4.6.7 Storage Stability
Cortec VpCI-126 Blue film was wrapped in one layer of MIL-PRF-131 class 1 barrier material and stored for exactly one year. Upon removal, the following tests were conducted using the Cortec VpCI-126 Blue film. Seam Strength Test (as received); Seam Strength (sealed after aging at 160 deg F for 12 days and tested at room temperature); Vapor Inhibitor Ability Test; Transparency Test (as received); Transparency Test (after aging at 150 deg F for 12 days and tested at room temperature).
Seam strength Òas receivedÓ Test results
| Material | Sealed face condition after five minutes | Requirement |
| Cortec VpCI-126 Blue film with heat sealing | No delamination | 50 % (max) |
| Cortec VpCI-126 Blue film with heat sealing | No delamination | 50 % (max) |
| Cortec VpCI-126 Blue film with heat sealing | No delamination | 50 % (max) |
Seam Strength Test results after aging at 160 deg F for 12 days
| Material | Sealed face condition after five minutes | Requirement |
| Cortec VpCI-126 Blue film with heat sealing | No delamination | 50% (max) |
| Cortec VpCI-126 Blue film with heat sealing | No delamination | 50% (max) |
| Cortec VpCI-126 Blue film with heat sealing | No delamination | 50% (max) |
Vapor inhibitor ability test results
| Material | Corrosion
observed (%) |
Requirement |
| Cortec VpCI-126 Blue film | 0 | No corrosion, etching, or pitting of the steel panelÕs polished surface |
| Cortec VpCI-126 Blue film | 0 | No corrosion, etching, or pitting of the steel panelÕs polished surface |
| Cortec VpCI-126 Blue film | 0 | No corrosion, etching, or pitting of the steel panelÕs polished surface |
| Control | ~ 40 | No corrosion, etching, or pitting of the steel panelÕs polished surface |
Test results for Transparency Test
| Material | Qualitative results | Requirement |
| Cortec VpCI-126 Blue film | Lettering is clear and legible | Lettering shall be clear and legible |
| Cortec VpCI-126 Blue film | Lettering is clear and legible | Lettering shall be clear and legible |
| Cortec VpCI-126 Blue film | Lettering is clear and legible | Lettering shall be clear and legible |
Test results for Transparency (after aging 12 days at 150 deg F)
| Material | Qualitative results | Requirement |
| Cortec VpCI-126 Blue film | Lettering is clear and legible | Lettering shall be clear and legible |
| Cortec VpCI-126 Blue film | Lettering is clear and legible | Lettering shall be clear and legible |
| Cortec VpCI-126 Blue film | Lettering is clear and legible | Lettering shall be clear and legible |
Conclusion: Testing conducted by Cortec Corporation, concludes that Cortec VpCI-126 Blue film satisfies all requirements of performance specification MIL-PRF-22019D.
Project #: 02-002-1125 (1)
Estimated Cost of Project: $7000.00
To: Frank Magnifico/Department of the Navy
From: Bob Berg
Date: 4/9/03
cc: Boris Miksic
Anna Vignetti
Art Ahlbrecht
Cliff Cracauer
Vanessa Schultz
Bob Boyle