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14 ANNEX
PAR DESCRIPTION
14.1 TOOL PASTE
Table 4 - Tool paste specification
TECNA recommends TECNA GRASSO SPECIAL (TECNA SPECIAL GREASE).
The tool paste speci cation is listed in Table 4.
TYPICAL PROPERTIES Method Typical Value
NLGI class 3
Thickener nature Organic
Colour Copper plate
Nominal operating range, grease, °C -20 ÷ 200
Nominal operating range, dry film, °C 1150
Worked penetration @ 20°C, dmm ASTM D-217 250
Worked stability, 100.000 strokes, dmm ASTM D-217 275
Dropping point, °C ASTM D-566 none
Pour point, °C ASTM D-97 -24
Base oil viscosity grade, ISO ASTM D-445 >1000
4 ball wear test,1200 rpm, 75°C, 40 Kg. 1 h., mm ASTM D-2266 0,7
4 ball EP Test, weld load , Kg. ASTM D-2783 > 800
Evaporation, 22 h. @ 150°C, % ASTM D-972 < 1
Resistance in humid cabin, h. ASTM D-1748 > 500
Relative density @ 15°C, Kg./m3 ASTM D-1480 930
Solid contents (Copper, Graphite, Molibdenium Disulfide); w% 11
OPERATING MANUAL - Hydraulic breakers T series
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ANNEX
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