ARMY REGULATION 11-34 (RESPIRATORY PROTECTION PROGRAM

File: 011696_103_6_108.txt
Page: 108
Total Pages: 121

TG No. 144 August 1987

C-27. MILITARY SPECIFICATION MIL-T-81772, 29 JANUARY 1986, THINNER, AIRCRAFT
COATING.

a. This material Is furnished in three types. Type I which Is a
polyurethane thinner, Type II which is an epoxy thinner, and Type III which is
an acrylic and alkyd thinner. Composition of the thinners is limited by that
presented in table C-49.

Table C-49
Thinner Composition
Percent by volume

Ingredients Type I Type II Type III

(a) Methyl ethyl ketone 30 min. 50 min. 30 min.

(b) Methyl isobutyl ketone -- 20 max. --

(d) Butyl acetate 10 min. --

(e) Propylene glycol methyl 40 min. -- 20 min.
ether acetate

(f) Propylene glycol methyl -- 30 min. --
ether

(g) Toluene 12 max. -- 12 max.

(h) Xylene 8max. 8 max.

b. Type I thinner is used to reduce the viscosity of MIL-C-46168, two
component PUP, Type I and Type II. In areas where VOC compliance is not
required MIL-L-53039. single component, polyurethane may be thinned with Type
I thinner. Type I thinner may be used to thin epoxy coatings if Type II
thinner Is not available.

c. Type II thinner is used to thin MIL-C-22750, EPE. The primers,
L-P-23377, Type I are thinned with Type II
thinner. If Type II is not available then Type I can be used.

d. Type III thinner is an acrylic and alkyd thinner for use with
acrylic-nitrocellulose lacquer.

C-50

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Folder Title = PORT OPERATIONS CARC PAINTING POLICY
Subject = ARMY REGULATION 11-34 (RESPIRATORY PROTECTION PROGRAM
Document Number = 103
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