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| 型號： | 113072 |
| 英文描述： | LAGERSICHERUNGSLACK 641 50ML |
| 中文描述： | LAGERSICHERUNGSLACK 641毫升 |
| 文件頁數： | 1/2頁 |
| 文件大小： | 31K |
| 代理商： | 113072 |
Technical Data Sheet
Product 542
Worldwide Version, October 1995
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
PRODUCT DESCRIPTION
LOCTITE Product 542 is a single component thixotropic,
anaerobic pipe sealant material. This product cures when
confined in the absence of air between close fitting metal
surfaces. This grade develops medium strength to facilitate
disassembly.
TYPICAL APPLICATIONS
Used to lock and seal hydraulic and pneumatic fittings.
Recommended for sealing threaded metal fittings which should
be fully torqued up.
PROPERTIES OF UNCURED MATERIAL
Typical
Value
Range
Chemical Type
Appearance
Specific Gravity @ 25
°
C
Viscosity @ 25
°
C, mPa.s (cP)
Brookfield RVT
Spindle 5 @ 2.5 rpm
@ 20 rpm
DIN 54453, MV
D = 277 s
-1
after t=180secs
Flash Point (COC),
°
C
Dimethacrylate ester
Brown Liquid
1.06
1,850
525
925 to 2,775
350 to 700
150
>100
100 to 200
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.
%
5min10min
30min1hr
Cure Time, Hours
3hr
6hr
24hr
72hr
0
25
50
75
100
Steel
Stainless Steel
Brass
Zinc dichromate
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.
01mm
005mm
025mm
5min10min
30min1hr
Cure Time, Hours
3hr
6hr
24hr
72hr
0
25
50
75
100
%
Cure speed vs. temperature
The rate of cure will depend on the ambient temperature. The
following graph shows the breakaway strength developed with
time at different temperatures on M10 steel nuts and bolts and
tested according to ISO 10964.
100
%
22C
40C
5°C
5min10min
30min1hr
Cure Time, Hours
3hr
6hr
24hr
72hr
0
25
50
75
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 following graph shows breakaway strength
developed with time using ACTIVATOR N and T on M10 Zinc
Dichromate steel nuts & bolts and tested according to
ISO 10964.
100
%
5min10min
30min1hr
Cure Time, Hours
Ac N
NoAtvao
Ac T
0
25
50
75
3hr
6hr
24hr
72hr
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 x 10
-6
0.1
0.3
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