Page 293 - Wurth Total Catalogue

DOS PIPE SEALANT

Gas and fluid proof sealing of all pipe
threads and fittings
up to M 80 R3”.

Seals immediately under low pressure
loads.
Pipes can be pressurised immediately up to
approximately 5 bar.

Dependable curing at low temperature
(≥ 5 C).
o
Can be used in cold water.

Provides medium strength connections.
Can be disassembled using normal tools.

Fills gaps up to 0.5mm.
Suitable for fine as well as for coarse threads.
Mid-Strength Product Low-Strength Product with PTFE
Seals against pressurised gases,
Contents Art. No. P. Qty. Contents Art. No. P. Qty.
50 g 0893 577 050 1 250 ml 0893 511 250 1 hydraulic fluids and fuel.
High degree of safety, since impairments due to
dissolving are prevented.
Physical Properties (in liquid state)
Mid-strength product Low-strength product with PTFE High resistance to common chemicals.
Chemical Description Dimethylacryte Methacrylic Will not react with most industrial liquids and
Colour Fluorescent Yellow White gases.
Viscosity 55,000 - 80,000 mPas 40,000 - 60,000 mPas
25°C Brookfield RVT (spindle rpm: 6/2.5) (spindle rpm: 6/2.5) Application:
Density at 25 o 1.07g/cm� 1.0g/cm� The threads must be dry, dust and grease-free. To
Maximum Thread Diameter M 80 R3“ M 80 R3“ achieve a completely sealed and pressure-tight
Maximum Gap Filling Capacity 0.50 mm connection up to the burst pressure, it is essential
Flash Point > 100°C that the threads are cut in accordance with the
Shelf Life 1 Year at Room Temperature standards, completely coated with adhesive,
tightened securely (to >5Nm) and can no longer
be twisted.
Physical Properties (in cured state)
Mid-strength product Low-strength product with PTFE
Hand-tight After 15 - 30 minutes 15 - 30 minutes
Usable After 1 - 3 hours 1 - 3 hours
Final Strength After 3 - 6 hours Approximately 12 hours NSF registered under ANSI
Initial Breakaway Torque 15 - 20 Nm (M10) 5 - 8 Nm (M10) Standard 61 - Drinking Water
Continuing Torque 10 - 15 Nm (M10) 4 - 7 Nm (M10) System Components.
Compression Shearing Strength 6 - 13 N/mm� 5 - 7 N/mm� Resistant to chemicals and gases:
Operating Temperature Range -55°C to 150°C
see resistance list.

Resistance Table For Dos-System: • Formic Acids • Ethelacetate • Acetone • Petrol • Alkaline Solutions • Steam
AUS. pub. 08/17 © • Phosphoric acid (10%) • Diesel • Jet Fuel • Aviation Spirit • Frost protection • Gear oil • Heating oil • Coolants
• Alcohols
• Kerosene
• Engine oil
• Hydraulic oil
• Solvents (chlorinated)
• Oils
• Brake Fluid
• Xilene
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