PU 2KR 205-SL

PU 2KR 205-SL is a two-component polyurethane adhesive characterized by low viscosity and medium flexibility

Non-abrasive and suitable for use with dosers.
Low exothermic level during hardening.
Characterized by a low shrinkage after hardening.
Particularly suitable for the encapsulation and coating of electrical and electronic devices.

  • Open time: 5 minutes.
  • Viscosity: 15,000 mPas (mixed parts)
  • Tensile strength 20 N / mm2
  • Elongation at break 80%
  • Hardness 80 D
  • Black colour
  • Packaging: 50 ml – 400 ml – drums

Description

PROPERTIES COMPONENT A COMPONENT B
CHEMICAL NATURE Polyol MDI
COLOUR Black / Translucent Amber
APPEARANCE Liquid Liquid
DENSITY @ 25 °C 1,04 g/ml 1,20 g/ml
VISCOSITY @ 25 °C 1000 mPa.s 800 mPa.s
MIXING RATIO BY VOLUME 1,00 1,00
MIXING RATIO BY WEIGHT 0,89 1,00
TYPICAL CHARACTERISTICS OF THE FINAL SYSTEM
COLOUR Black / Translucent
APPEARANCE Thixotropic
DENSITY 1,12 g/ml
VISCOSITY 15000 mPa.s
APPLICATION TEMPERATURE +10 / +30 °C
OPEN TIME (10 g @ 20°C) 5 min
FIXTURE TIME (10 g @ 20°C) 15 min
FULLY CURED TIME (10 g @ 20°C) 480 min
EXOTHERMIC PEAK OF REACTION 80 °C
HARDNESS 55 Shore D
MINIMUM GAP FILL 0,20 mm
TENSILE STRENGHT 22 N/mm2
ELONGATION AT BREAK 80 %
RESISTIVITY 1.8 x1014 Ωxcm
TEMPERATURE RESISTANCE – 36 / + 90°C

Additional information

Specific work-setting (component)

Operating Temperature <0 ° C, STATIC bonding-line <100 cm (LIGHT HANDLING)

Type of joint (application mode)

≈ 100% of SURFACE

Adhesive Working Time

< 10 MINUTES, 10 ÷ 30 MINUTES

Adhesive Fixture Time

10 ÷ 30 MINUTES, 30 ÷ 90 MINUTES

Substrates (suitable adherings match))

GLASS REINFORCED FIBER COMPOSITES # GLASS REINFORCED FIBER COMPOSITES, HIGH ENERGY SURFACE THERMO-PLASTIC POLYMERS # CARBON FIBER-REINFORCED COMPOSITES, HIGH ENERGY SURFACE THERMO-PLASTIC POLYMERS # GLASS REINFORCED FIBER COMPOSITES, HIGH ENERGY SURFACE THERMO-PLASTIC POLYMERS # HIGH ENERGY SURFACE THERMO-PLASTIC POLYMERS, METALS and / or ALLOYS (Al – Ti – Ni – Cr – Fe) # METALS and / or ALLOYS (Al – Ti – Ni – Cr – Fe), METALS and / or ALLOYS (Cu / Zn – Fe – Pb) # METALS and / or ALLOYS (Al – Ti – Ni – Cr – Fe), METALS and / or ALLOYS (Cu / Zn – Fe – Pb) # METALS and / or ALLOYS (Cu / Zn – Fe – Pb)

component sector/process

INDUSTRIAL COMPONENTS

Type of failure mode (after joint stress)

ADHESIVE (bonding failure between adhesive and adhering: no residue on substrates)

Whatsapp Contact Adhesive