Belzona Repairs Cavitation Damage to the Bulk Carrier Propeller Blades

KHIA ID: 8587

Industry: Marine (MRNE)
Application: SOS-Ships and Offshore Structures (SOS)
Substrate: Brass

Customer Location: Shanghai, China
Application Date: August, 2021

Products:
Belzona 1311 (Ceramic R Metal)

Belzona 1321 (Ceramic S Metal)

Problem: Propellers on bulk carrier had severe cavitation damage on all four blades of propellers.

Photograph Descriptions

1. Surface preparation with sandblasting

2. Rebuilding metal loss with Belzona 1311

3. Cavitation prevention with Belzona 1321

4. Complete application

Application Situation

Propeller blades

Application Method

The application was carried out in accordance with Belzona Know-How System Leaflet SOS-1 and SOS-2.

Belzona Facts

Any polymeric repair solution that is subject to cavitation will be a lot more cost effective than welding and remachining. It is time consuming to braze bronze and requires higher skills to rebuild significant metal loss. Belzona systems were accepted by DNV Classification Society.

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