Hempel

Hempaprime Multi 500 Winter

Low-temperature epoxy primer · INTL · manufacturer-sourced

Check your container: This countdown is for the Low-temperature epoxy primer variant. Similar-looking versions may have different times.

How long before you can recoat Hempel Hempaprime Multi 500 Winter?

Short answer

Ready for another coat: 6 hours after application.
Safe to touch: 150 minutes after application.
Industrial protective coatings

Film-build schedule

Recoat has a floor and a ceiling, and film thickness moves both

  1. Prepare the surface and apply the Low-temperature epoxy primer to the stated thickness
  2. Recoat inside the window the data sheet gives
  3. Return to service only at the stated cure

This product’s stated stages Quoted at 50°F

  • Working time ends2 hours 30 min
  • Safe to touch2 hours 30 min
  • Ready for another coat6 hours

Worth noticing: Working time is only 2 hours 30 min; the next stated stage, safe to touch, is 2 hours 30 min.

Common mistake: Recoating after the maximum window has closed; the next coat may not bond without abrading.

Industrial protective coatings

Coat timeline

Plan the next coat and final use separately

  1. 1
    ApplyUse the Low-temperature epoxy primer directions and prepare for cold-weather priming.
  2. 2
    Next coatUse the listed recoat milestone; do not substitute touch-dry time.
  3. 3
    Normal useWait for the applicable handling, water or cure milestone.

Check the recoat window

When did this coat go on?
Conditions that affect drying
Where?
Thickness

Stated times

  • Working time ends150 minutes
  • Safe to touch150 minutes
  • Ready for another coat6 hours

From Hempel data sheet · checked 2026-10-25. Anything not listed isn’t stated by the manufacturer.

Manufacturer website: hempel.com

Conditions & fine print
  • Stated conditions: 50°F (10°C)
  • Pot life and cure times shorten in warm rooms and with larger batches. Follow the current data sheet and mixing instructions.
  • Temperature range: 14°F to 68°F
  • Region INTL. Formulas can differ between countries; check your container.
  • Working time ends: 1 hour at 20°C and 30 minutes at 30°C.
  • Safe to touch: 13 hours at -10°C, 5.5 hours at 0°C and 1 hour at 20°C.
  • Ready for another coat: 27 hours at -10°C, 13 hours at 0°C and 3 hours at 20°C.
  • Entered from the cited manufacturer documentation. Check the current label for the exact formula and region. Report outdated information
  • Actual results depend on preparation, thickness, ventilation, temperature, humidity, mixing and substrate.

Confirm this is your product

Closely named formulas, colors and regional versions can use different times. Match these details to your container before starting a countdown.

Exact listing
Hempel Hempaprime Multi 500 Winter
Variant
Low-temperature epoxy primer
Region
INTL
Listed use
cold-weather priming
Timed stages recorded
tooling, touch, recoat min
Source checked
2026-10-25

Documentation: Technical data sheet · Product data sheet, October 2026

Condition attached to the stated time: 1 hour at 20°C and 30 minutes at 30°C.

About this product

A primer made for cold work: at -10°C it is touch dry in 13 hours and overcoatable at 27, while at 20°C touch dry takes 1 hour.

Using this specific product

Hempel Hempaprime Multi 500 Winter is listed here as the Low-temperature epoxy primer version for cold-weather priming. For coating steel or industrial surfaces, the useful question is not simply whether the surface looks finished—it is whether the exact next-action milestone shown above has been reached.

Before you start

  • Confirm the package says Low-temperature epoxy primer; related versions can use different timing.
  • For cold-weather priming, pay particular attention to surface preparation, film thickness, temperature, dew point and pot life.
  • 1 hour at 20°C and 30 minutes at 30°C. 13 hours at -10°C, 5.5 hours at 0°C and 1 hour at 20°C. 27 hours at -10°C, 13 hours at 0°C and 3 hours at 20°C.

How to check readiness

Check dry film thickness and the recoat window before the next coat. The sheet gives a pot life of 2.5 hours at 10°C. Touch only a hidden edge first; a dry surface can conceal a soft layer underneath. Before recoating, confirm the first coat matches the manufacturer’s stated condition; if the maximum window passed, check whether sanding is required.

Avoid this mistake

Recoat windows can close; past the maximum, abrading is usually required.

Compare with similar products

Keep going

Questions

How long before you can recoat this product?

Hempel states: The sheet gives a pot life of 2.5 hours at 10°C. Conditions: 1 hour at 20°C and 30 minutes at 30°C.. The sheet gives touch dry at 2.5 hours at 10°C. Conditions: 13 hours at -10°C, 5.5 hours at 0°C and 1 hour at 20°C.. The sheet gives a minimum overcoat of 6 hours at 10°C. Conditions: 27 hours at -10°C, 13 hours at 0°C and 3 hours at 20°C.. These are the manufacturer’s stated times, not a guarantee.

How cold can Hempaprime Multi 500 Winter go?

The sheet lists times down to -10°C: touch dry in 13 hours and a minimum overcoat of 27 hours.

How long do I have to work with this product?

Hempel states: The sheet gives a pot life of 2.5 hours at 10°C. Conditions: 1 hour at 20°C and 30 minutes at 30°C.. These are the manufacturer’s stated times, not a guarantee.

How long until this product is safe to touch?

Hempel states: The sheet gives touch dry at 2.5 hours at 10°C. Conditions: 13 hours at -10°C, 5.5 hours at 0°C and 1 hour at 20°C.. These are the manufacturer’s stated times, not a guarantee.

What affects how long this product takes to dry or cure?

Pot life and cure times shorten in warm rooms and with larger batches. Follow the current data sheet and mixing instructions. Follow the product label for your conditions.

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