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Boeing BSS7432 Eval of Airplane Maintenance Materials (TPD2103009)

SMI, Inc.

12219 SW 131 Avenue

Miami, Florida 33186-6401  USA

Phone: (305) 971-7047

Fax: (305) 971-7048


Attn: Fabio Neto
Soilworks® LLC
7150 East Camelback Road, Suite 444
Scottsdale, AZ 85251




Product: DURASOIL® (received 29-Jan-2021)
Dilution: As received Page 1 of 4





(Version: Original issue, 28-May-2019 / supersedes Boeing D6-17487)

(Note: Boeing D6-17487 was cancelled and superseded by BSS7432 on 28-May-2019)

Category: Exterior and General Cleaners and Liquid Waxes, Polishes and Polishing Compounds

Sandwich Corrosion                                                Conforms

Test Acrylic Crazing                                                 Conforms

Test Paint Softening Test                                          Conforms

Hydrogen Embrittlement Test                                   Conforms



Patricia D. Viani, SMI; Inc.

Client: SoilWorks® LLC Date: 31-Mar-2021
Product: DURASOIL SMI/REF: · 2101-416
Dilution: As received
BSS7 432. /Exterior& General. Paoe 2 of 4

Sandwich Corrosion Test: Specimen preparation, tesjting, and interpretation must be in
accordance. with ASTM F1110 using the following materials and with the following

a. Reagents and materials exception:

(1) Clad 7075-T6 aluminum alloy in accordarce with AMS-QQ-A-250/13 (AMS 4049 or AMS-QQ-A-250/13 optional) (2024-T3 Alciad specimens are neither required nor optional.)

(2) Bare 7075-T6 aluminum alloy in accordance with AMS-QQ-A-250/12 (AMS
4045 or AMS-Q-A-250/12 optional) anodized in accordance with BAC 5019
or MIL-A-8625, Type I.

(3) Anodize must be sealed. (2024-T3 nonclad specimens are neither required nor optional

(4) Distilled or deionized water may be used in place of ASTM F1193, Type IV
reagent grade water for control specimens

(5) The filter paper may be Whatman No. 5 or equivalent in place of Whatman GFA glass fiber paper.

b. Procedure exceptions:

(1) The filter paper strips must oe 1 by 3 ipches and must be placed in the
center of the sandwiched specimens.

(2) Each sandwich specimen must be held together with waterproof tape, with
no more than 1 piece of tape (maximum width 0. 75 inch) on each of two
opposite edges.

c. Interpretation of result exceptions:

(1) Leaching or lightening of the chromate sealed anodize coating must not be
cause for rejection.

(2) Deposits or residues from the material being tested that are not products of
corrosion of the test panel surface must ot be cause for rejection.

(3) Special procedure for evaluation of fire extinguishing foams and liquids.
Panels with very light darkening or staining, which have no obvious metal
attack or pitting, may be swabbed (cotton-tipped swabs or cotton gauze)
with a 0.26 mole/liter sulfuric acid solution and re-examined. If the coloration
is substantially removed and there is no evidence of metal attack or pitting,
the condition must not be cause for rejection. (The 0.26 mole/liter sulfuric
acid solution can be prepared by adding 1.5 cc of concentrated sulfuric acid
(SG = 1.84) to 100 cc of distilled or deionized water.

(4) Panels must have a rating of 1 (no more than 5 percent of the surface area
must be corroded) or better in accorqance with ASTM F 1110. The
preferred method of determining the corroded area is by using image
analysis. Other means approved by the purchaser may be substituted.

(5) Any corrosion in excess bf that shown by the control group must be cause
for rejection.

Client: Date: · 31-Mar-2021
Product: DURASOIL · SMI/REF: 2101-416
Dilution: As received
BSS7432 (Exterior & General Page 3 of 4
Sandwich_ Corrosion Test: continued

Bare 7075-T6 (AMS 4045)
Anodized per BAC 5019
Type 3 chromate seal)
Clad 7075-T6 Aluminum
(AMS 4049)
Product 1 1
Control 1 1


Result Conforms 

Acrylic Crazing Test:
The material being tested must not craze, crack, or etch acrylic test specimens when tested in accordance with ASTM F 484 using Type C (stretched acrylic plastic in accordance with MIL-P-25690) stressed to an outer fiber stress of 4500 psi.

PRODUCT: No crazing, cracking, or etching

Result Conforms

Paint Softening Test Procedure:
a. Testing must be in accordance with ASTM F502 using the following coating systems.

(1) BMS 10-79, Type II primer applied in accordance with BAC5882 plus
BMS 10-60, Type II enamel in accordance with BAC5845.

(2) BMS 10-79, Type III primer applied in accordance with BAC5882, plus
BMS 10-100 coating in accordance with BAC5797.

b. Three specimens conforming to Section 7.7.a.(1) and three specimens conforming to Section 7.7.a.(2) must be used for each test condition.

c. The material being tested must not produce a decrease in film hardness greater than two pencils, or any discoloration or staining.
NOTE: Slight darkening of the BMS 10-100 surface is acceptable

Paint system 1:0 pencil hardness change after 24 hour post-exposure dry time.
                            No discoloration or staining.
Paint system 2:0 pencil hardness change after 24 hour post-exposure dry time.
                            No discoloration or staining.


Result  Conforms

Client:. SoilWorks® LLC · Date: 31-Mar-2021
Product: DURASOIL SMI/REF: 2101-416
Dilution: As received
BSS87432 (Exterior & General) Page 4 of 4


Hydrogen Embrittlement Test:
Hydrogen Embrittlement testing must be in aocordance with ASTM F 519 using cadmium
plated Type 1a2, Type 1c, or Type 2a specimens. All requirements of ASTM F519 for specimens, preparation, testing, and reporting must apply. Type 1a.2 specimens must
meet the requirements of D6-4307.

Specimens: Type 1c, cadmium plated per MIL-STD-870.
(45% load, 150 hours, notched immersed for the duration, room temp.)

As received:

#1: No failure occurred within 150 hours.
#2: No failure occurred within 150 hours.
#3: No failure occurred within 150 hours.
#4: No failure occurred within 150 hours.

Result Conforms


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