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Product description:
TEROSON PU 92 is a one component adhesive/sealant based on polyurethane, which cures by reaction with moistureto a soft elastic product. The skin formation and curing times are dependent on humidity and temperature. The curethrough time also depends on joint depth. By increasing the temperature and moisture these times can be reduced. Lowtemperature as well as low moisture retards the process. TEROSON PU 92 exhibits the following properties:
- good adhesion to painted surfaces, many metals and plastics without primer
- can be overpainted
- sag resistant
- high curing speed
- excellent elasticity

APPLICATION AREA
TEROSON PU 92 is used for elastic sealing and bonding, particularly seam sealing and sealing of narrow joints in the following areas:
- vehicle and vehicle body manufacture
- vehicle body build-ups
- railway carriage and container manufacture
- ship and boat building
- metal, facade and plant manufacture
- air conditioning and air ventilation.

TEROSON PU 92 is used in cases where painting is of particular importance. TEROSON PU 92 can often replace mechanical fixation methods e.g. screws, welding, clamps etc. Temporary fixation of the joint with adhesive tapes or spacers should be conducted until the adhesive/sealant has completely cured. TEROSON PU 92 offers the important advantage that both bonding and sealing functions can be conducted with one product. TEROSON PU 92 is not generally suitable for constructive bonding. Further information about the product: biuro@woronko-kleje.pl

Directions for use:
Adhesion
Good adhesion without primer to primed and painted vehicle body, wood, plastics. Grinding of the surface is recommendedfor untreated sheet metal. Depending on substrate surface, it is necessary to use an Henkel approved primer as an adhesion promoter. Due to the large number of various surfaces we recommend application trials before use.

Pretreatment
The surfaces to be bonded or sealed must be dry, free of oil, dust, grease and other contaminants. For pretreatment werecommend the approved surface preparator of the TEROSON program (TEROSON VR 20), because other products for pretreatment may lead to incompatibilities.

Application
TEROSON PU 92 can be directly applied from cartridges or foil packages employing standard air or hand operated guns.For air pressure application 2 to 5 bar are necessary. Low material temperature will lead to an increase of viscosity,resulting in a lower extrusion rate. This can be avoided by bringing the material up to room temperature prior to application. To avoid condensation it is necessary to bring the substrates up to room temperature. After application TEROSON PU 92 can be smoothed with a spatula dipped in TEROSON VR 20. For application from pails and drums please contact your responsible sales representative.

Storage:
  • Frost sensitive: no
  • Recommended storage temperature: 10 to 25 °C
  • Shelf life: 12 months in original packaging

    Parameters:
  • Colour: black, grey, white
  • Density : approx. 1.15 g/cm³
  • Odour aromatic (no smell after curing)
  • Consistency: pasty
  • Sag resistance : very good
  • Curing mechanism : moisture curing
  • Skin formation time (23°C, 50% rh): approx. 35 min(s).
  • Cure rate (23°C, 50% rh) : approx. 4 mm/ 24 hour(s)
  • Shore A hardness : approx. 35
  • Tensile strength : approx. 1.6 MPa
  • Elongation at break : approx. 620 %
  • Application temperature : 5 to 35 °C
  • In service temperature range : -40 to 70 °C
  • Short exposure (up to 3h) : 120 °C

    Full technical information can be found in the technical data sheet
  • Assortment