PU 405

PU 405 is a two-component polyurethane system designed for standard automotive air filter frames. It offers a balanced combination of flowability, structural strength, and demolding efficiency — ideal for general filter applications.

Technical Features:

•Mixing Ratio (A:B): 100:100 by weight

•Saves up to 15% material per gasket

•Viscosity: Medium (suitable for both manual and automated casting)

•Gel Time: ~60–90 seconds (at 25°C)

•Hardness (Shore A): 65–70

•Key Benefits: Stable expansion, low shrinkage, excellent adhesion to mesh and paper