Procurement of an Ultrasonic Spray Coater System

MTK 21/2025

See details below or the tender documentation

Tender Closed on: 2026-01-23 12:00

Laboratory, Sampling and Analytical Equipment, Reagents and Consumables, Specialised Equipment

Gauteng, Randburg

MINTEK

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Tender Number: MTK 21/2025
Department: MINTEK
Tender Type: Request for Bid(Open-Tender)
Province: Gauteng
Closing Date: Friday, 23 January 2026 - 12:00
Place where goods, works or services are required: 200 Malibongwe Drive - Strydom Park - Randburg - 2194
Special Conditions: N/A
ENQUIRIES:
Contact Person: Mintek - Tenders
Email: [email protected]
Telephone number: 000-000-0000
FAX Number: N/A
BRIEFING SESSION:
Is there a briefing session?: NO Is it compulsory? NO
Briefing Date and Time:
Briefing Venue:

This tender is also available from www.etenders.gov.za


Tender Summary

Objectives

The primary objective of this tender is to procure an ultrasonic spray coater system, specifically the USI Prism 400, to support Mintek’s Advanced Materials Division in fuel cell research. The new system aims to replace the aging USI Prism 300 unit, ensuring reliable fabrication of membrane electrode assemblies (MEAs), maintaining data integrity, and supporting South Africa’s fuel cell manufacturing capabilities without interruption.

Scope

The scope involves the supply of a fully functional ultrasonic spray coater system that meets the detailed technical specifications provided. The system will be installed at Mintek’s premises located at 200 Malibongwe Drive, Strydom Park, Randburg. The procurement includes system hardware, software, training, support, and warranty services, with evaluation based on technical compliance, functionality, price, and specific goals such as local ownership and B-BBEE status.

Technical Requirements

The system must meet the following key technical specifications:

  • Spray Head Technology: Frequency > 35kHz, interchangeable heads preferred
  • Integrated electronic flow control with manual override
  • Capability for thin-film coatings with low and high solids suspensions
  • Liquid Delivery System: Precision metering pump (e.g., syringe-type) with minimum dispense resolution of 1 µL/pulse or nanoliter range
  • Compatibility with water-based, alcohol-based, and solvent-based coatings
  • Stirring or recirculation system for suspended particles
  • Motion Control & Axes: X-Y gantry travel of 300×300 mm, Z-axis travel of 100 mm, resolution ≤ 5 µm, optional ±90° rotation axis
  • Velocity & Positioning: Up to 200 mm/s with fine control, programmable spray pass speed, and path planning
  • Programming: PC-based GUI with USB/Ethernet, teach mode, recipe/G-code style programming
  • Substrate & Coating Compatibility: Substrate size ≥ 300×300 mm, capable of variable topographies, suitable for various coatings including catalyst inks and nanomaterials
  • Enclosure: System enclosure with integrated fume extraction or filtered airflow for solvent safety
  • Power & Air: 240 V AC, 50/60 Hz, 3-phase power

Skills Requirements

The successful bidder must demonstrate:

  • Proven experience with supplying and installing ultrasonic spray coater systems, supported by at least two verifiable testimonials from similar projects
  • Capability to deliver and install the system within six months of award
  • Provision of comprehensive training for Mintek personnel on equipment operation and software use, for at least four staff members
  • Support and maintenance services, including repairs, support, and a minimum warranty period of 24 months post-installation
  • Compliance with all technical specifications and standards outlined in the tender documentation
  • Ability to provide detailed technical datasheets, brochures, drawings, and supporting documentation to verify compliance with mandatory specifications
This summary is AI generated. Download the tender documents for all the information.

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