Page 278 - Wurth Total Catalogue

SILICONE SPECIAL 250 - OXYGEN SENSOR SAFE

Special silicone sealing compound with temperature
resistance from -50°C to 250°C, short term up to 300°C.

Properties:
• Oxygen sensor safe.
• Cold vulcanising silicone rubber.
• Permanently elastic silicone sealing compound for engine and body.
• For sealing of surfaces, gaps and cracks on water pumps, oil sumps,
inlet manifolds, radiators, crank cases etc.
• Bridges large, uneven surfaces.
• Gives reliable seal withstanding many years of vibration.
• Excellent adhesive properties.
• Non gaseous.
• Will not drip, sag or become stringy.
• Excellent chemical resistance.
• Skin formation after a few minutes, vulcanisation rate approx.
1.5mm/day.
• Not petrol resistant.

Colour Contents Art. No. Pack Qty.
Red 0890 321 10
Grey 310ml 0890 323 10 1/6

SILICONE SPECIAL 250 - SEALING COMPOUND

Permanently elastic silicone compound for engine and
bodywork, brief temperature resistance of 300°C.

For sealing surfaces, crank housings, water pumps, oil pans, radiators, axle
tubes, lamp and turn signal housings, welding seams, etc.

• Cold vulcanising silicone rubber.
• Bridges large, uneven surfaces.
• Excellent adhesive and chemical resistance.
• Does not run or pull threads.
• Skin formation after a few minutes, vulcanisation rate approx.
Colour Contents Art. No. Pack Qty. 1.5mm/day.
Red 0890 321
Black 70ml 0890 323 1/10

Technical Data:
Chemical Basis 70 ml
Full Curing Speed 1.5 mm/day
Max. Skin-Formation Time 12 min
Hardness, Shore A 30
Elongation at Break
300 %
AUS. pub. 06/17 © Min./Max. Temperature Resistance -50 to 250 C
o
Max. short-term Temperature Resistance 300 °C
18 months
Shelf Life From Production
05 0531