site-logo

PUT3220-2-3 Two-component Polyurethane Potting Adhesive

PUT3220-2-3 is a synthetic polyurethane potting adhesive comprising two liquids, PUT3220-2-3 A and PUT3220-2-3 B. It offers easy application, moderate hardness upon curing, strong adhesion, weather resistance, flame retardancy, and electrical properties. Additionally, it meets EU REACH and 80832.0 standards along with other environmental regulations.

TYPICAL APPLICATION

This item is ideal for securely potting new energy battery modules, capacitors, power supplies, controllers, and various other electronic and electrical devices.

Specifications

TYPICAL PROPERTIES

Item PUT3220-2-3A PUT3220-2-3B
Before curing Exterior Brown liquid Black liquid
Viscosity(cps) 2 80 ± 50 20000 ± 5000
Density(g/cm².25°C) 1.1 ± 0.05 1.7 ± 0.05
After mixing Mixing ratio ( by weight ) A : B = 20 : 100
Open time (130g, 25 °C) 30 ± 5 min
Tack free time (130g, 25 °C) 3-4h
Fixed time(130g, 25°C) 6-8h
Solid change back Color black
Hardness(shore A) 80 ± 5
Application temperature(℃) – 40 – 130
Water absorption (24H) ≤ 0.5%
Glass transition temperature 15°C
Shear strength (MPa Al-Al) ≥ 2
Thermal conductivity (W/mk) ≥ 0.85
Volume resistivity (cm) ≥ 1.0 x 10¹⁴
Dielectric strength (kV/mm) ≥17
Dielectric constant (bt 50Hz) 3-6
Flammability rating, UL94 V0

Technical Documents

PUT3220-2-3 Technical Data Sheet

How can we support you?

If you need any assistance, do not hesitate to contact us