Evaluation of the Properties of Corrosion Inhibition for a Sample of Multipack film.2017-01-20T13:40:51+00:00

Evaluation of the Properties of Corrosion Inhibition for a Sample of Multipack film.

Evaluation of the Properties of Corrosion Inhibition for a Sample of Multipack film.

Background: Ugo Spada with Carte Dozio, requested evaluation of corrosion inhibition properties for Multipack film.

Purpose: To evaluate the film from Multipack, and compare results with Cortec’s VpCI-126.

Method: Razor Blade Test

VIA Test

SO2 Test

FT-IR

Nitrite Test

Materials: Razor Blade Test Kit

VIA Test Kit

SO2 Test Kit

Paragon 1000 FT-IR, Perkin Elmer

EM Quant Nitrite Test Strips, EM Ind., Gibbstown, NJ

(charge/lot # 90397041 Sep 02)

Procedure: The above tests were performed according to standard procedures for each.

Results:

Razor Blade Test

Materials

Panel #1

Panel#2

Panel#3

Multipack film

Fail

Fail

Fail

Cortec VpCI-126 film*

Pass

Pass

Pass

Control

Fail

Fail

Fail

* Typical results for VpCI-126 film.

VIA Test

Materials

Panel #1

Panel#2

Panel#3

Multipack film

Grade 0

Grade 0

Grade 1

Cortec VpCI-126 film*

Grade 3

Grade 3

Grade 3

Control

Fail

Fail

Fail

* Typical results for VpCI-126 film.

SO2 Test

Materials

Panel #1

Panel#2

Panel#3

Multipack film

Grade 1

Grade 2

N.A.**

Cortec VpCI-126 film*

Grade 4

Grade 4

Grade 4

Control

Fail

Fail

Fail

* Typical results for VpCI-126 film.

** Not sufficient amount of film for third trial.

FT-IR: See attached results.

Nitrite Test: Multipack film tested negative for nitrite presence.

VIA Test Grades (Grade 2 or 3 are passing)

 

 

SO2 Grades (Grade 3 and 4 are passing):

Grade 0- Extensive corrosion covering 25% or more of panel surface

Grade 1- Moderate corrosion covering 10-25% of panel surface

Grade 2- Slight corrosion covering 5-10% of panel surface

Grade 3- Very slight corrosion covering 0-5% of panel surface

Grade 4- No visible corrosion on panel surface

Conclusion:

1. Based on FT-IR results Multipack film contains sodium benzoate.

    1. Multipack film does not provide sufficient contact, barrier, or vapor phase corrosion protection.

Project #: 02-243-1125

Estimated Cost of Project: 6 hrs

To: Ugo Spada

From: Greg Hocking

Date: Nov 14th 2002

cc: Boris Miksic

Anna Vignetti

Art Ahlbrecht

Cliff Cracauer

Vanessa Schultz

Bob Boyle

Dario Dell’Orto