Washing & Maintenance2 min read

Cleaner Dwell Time and Total Job Time: Keep the Exposure Clock Separate

The time a cleaner remains on a surface is not the same as the total time spent on the cleaning job. Track the relevant exposure interval when assessing an approved process or investigating a surface change.

Updated · NANOLAB Knowledge

The key distinction

Preparation, application, agitation, rinsing and drying may occur at different times across a large area. A single job-duration entry can hide longer exposure on the first section treated. The workflow should preserve the manufacturer's limits while making the actual sequence clear enough to review.

Practical checks

  1. Identify when exposure starts and ends for each relevant section.
  2. Plan manageable areas within the approved instructions and conditions.
  3. Record interruptions that alter the exposure rather than counting only active labour.

Example

Illustrative example: a technician sprays an entire vehicle and begins rinsing from the opposite end. The first treated section may experience a different interval from the last. A job log that records only thirty minutes of labour would not explain those local exposure differences.

Scope and limits

Do not use a longer dwell time as an improvised way to strengthen a cleaner. Follow the product's surface, temperature and rinsing instructions. This guide provides a recording distinction, not a universal dwell-time recommendation for coated paint, wheels, glass or interior finishes.

Related guidance

Ask NANOLAB about the exact product and intended use. Use the current product documentation for formulation-specific instructions.

Washing & Maintenance2 min read

Car Cleaner Dwell Time: Start the Clock at the Actual Application

On a large vehicle, the first treated panel may have substantially more contact time than the last. A single timer started after spraying the whole vehicle can hide that difference and make the process harder to control.