Loctite UK Limited, Watchmead,
Welwyn Garden City, Herts, AL7 1JB
Technical Services Tel: (01707) 358888
Customer Services Tel: (01707) 358844
Technical Data Sheet
Product 222
Worldwide Version, October 1995
% of Full Strength on Steel
100
TYPICAL APPLICATIONS
Prevents loosening through vibration and leakage of threaded
fasteners.
Particularly suitable for applications such as
adjustment of set screws, small diameter or long engagement
length fasteners where easy disassembly is required without
shearing the screw.
PROPERTIES OF UNCURED MATERIAL
Typical
Value
Dimethacrylate ester
Opaque Purple,
Fluorescent Liquid
1.05
Range
25
0
5min 10min
30min 1hr
3hr
6hr
24hr
72hr
0.0
5m
PRODUCT DESCRIPTION
LOCTITE
廬
Product 222 is a single component anaerobic
threadlocking material, which is thixotropic and develops low
strength for easy disassembly. The product cures when
confined in the absence of air between close fitting metal
surfaces.
5
0.1
75
m
mm
5
0.2
mm
50
Cure Time, Hours
Chemical Type
Appearance
Specific Gravity @ 25擄C
Viscosity @ 25擄C, mPa.s (cP)
Brookfield RVF
Spindle 3 @ 2 rpm
@ 20 rpm
DIN 54453, MV
D = 277 s
-1
after t=180secs
Flash Point (TCC),
擄C
Cure speed vs. temperature
The rate of cure will depend on the ambient temperature.
Graph below shows the breakaway strength developed with
time at different temperatures on M10 steel nuts and bolts
and tested according to ISO 10964.
% of Full Strength on Steel
100
75
50
22
擄C
5擄
C
5,000
1200
135
>93
2,500 to 7,500
800 to 1,600
90 to 180
25
TYPICAL CURING PERFORMANCE
Cure speed vs. substrate
The rate of cure will depend on substrate used. The graph
below shows the breakaway strength developed with time on
M10 steel nuts and bolts compared to different materials and
tested according to ISO 10964.
% of Full Strength on Steel
100
75
50
l
ee
St
0
5min10min
30min 1hr
3hr
6hr
24hr 72hr
c
Zin
ate
rom
h
Dic
Cure speed vs. activator
Where cure speed is unacceptably long, or large gaps are
present, applying activator to the surface will improve cure
speed. The graph below shows breakaway strength developed
with time using ACTIVATOR N and T on M10 Zinc
Dichromate steel nuts & bolts and tested according to ISO
10964.
% of Full Strength on Steel
100
75
50
tN
Ac
r
to
iva
N
t
Ac
o
25
s
as
Br
5min 10min
30min 1hr
3hr
l
tee
sS
s
nle
tai
S
6hr
24hr
72hr
40擄
C
Cure Time, Hours
0
t T
Ac
Cure Time, Hours
25
0
5min 10min
30min 1hr
3hr
6hr
24hr 72hr
Cure speed vs. bond gap
The rate of cure will depend on the bondline gap. Gaps in
threaded fasteners depend on thread type, quality and size.
The following graph shows shear strength developed with time
on steel pins and collars at different controlled gaps and
tested according to ISO 10123.
Cure Time, Hours
TYPICAL PROPERTIES OF CURED MATERIAL
Physical Properties
Coefficient of thermal expansion, ASTM D696, K
-1
Coefficient of thermal conductivity, ASTM C177, W.m
-1
K
-1
Specific Heat , kJ.kg
-1
K
-1
80 x10
-6
0.1
0.3
NOT FOR PRODUCT SPECIFICATIONS.
THE TECHNICAL DATA CONTAINED HEREIN ARE INTENDED AS REFERENCE ONLY.
PLEASE CONTACT LOCTITE CORPORATION QUALITY DEPARTMENT FOR ASSISTANCE AND RECOMMENDATIONS ON SPECIFICATIONS FOR THIS PRODUCT.
ROCKY HILL, CT FAX: +1 (860)-571-5473
DUBLIN, IRELAND FAX: +353-(1)-451 - 9959
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