Octoral H24 (Fast) Hardener - 500ml
Octoral H24 HS420 Fast Hardener – 500ml is a professional fast hardener designed for use with Octoral HS420 clearcoat systems. It is formulated to accelerate curing times while maintaining excellent flow, gloss retention, and overall finish quality in automotive refinishing applications.
Optimised for fast repair cycles, H24 supports efficient air-drying and low-bake processes, helping bodyshops reduce turnaround times without compromising durability or appearance. When used according to manufacturer guidelines, it ensures a controlled chemical reaction, consistent curing, and reliable performance in production-focused environments.
Key Features
- Fast hardener for HS420
- Accelerated curing performance
- Supports air-dry and bake
- Consistent gloss and flow
- Professional bodyshop formulation
Product Information
| Brand | Octoral |
|---|---|
| Product Type | Hardeners - Fast |
| Product Size | 500ml |
| Pot Life | N/A |
| Storage | Store in a well-ventilated place. Keep container tightly closed. |
Octoral H24 HS420 Fast Hardener – 500ml is a professional fast hardener designed for use with Octoral HS420 clearcoat systems. It is formulated to accelerate curing times while maintaining excellent flow, gloss retention, and overall finish quality in automotive refinishing applications.
Optimised for fast repair cycles, H24 supports efficient air-drying and low-bake processes, helping bodyshops reduce turnaround times without compromising durability or appearance. When used according to manufacturer guidelines, it ensures a controlled chemical reaction, consistent curing, and reliable performance in production-focused environments.
Key Features
- Fast hardener for HS420
- Accelerated curing performance
- Supports air-dry and bake
- Consistent gloss and flow
- Professional bodyshop formulation
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Delivery option |
Delivery Price |
Estimated delivery time |
Cut off time & additional info |
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Next Day Delivery |
£7.99 delivery charge (inc VAT) - UK Mainland only |
Next working day (2pm cut off) Please note that our working days are Monday to Friday, excluding English bank holidays. |
Orders received before 2pm are dispatched same day on a next day delivery service. Orders received after 2pm are dispatched next working day on a next day delivery service. For example, an order placed at 1pm on a Monday will be delivered on Tuesday. Orders placed after 2pm on a Monday will be delivered on Wednesday. |
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Standard Delivery |
£4.99 delivery charge (inc VAT) - UK Mainland only |
Within 3-4 working days (2pm cut off) Please note that our working days are Monday to Friday, excluding English bank holidays. |
Orders placed before 2pm will be delivered within 3-4 working days. For example, an order placed at 1pm on a Monday is expected to be delivered by Thursday / Friday. An order placed after 2pm on a Monday is expected to be delivered by Friday / following Monday. |
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Free Next Day Shipping (on orders over £100 ex VAT) |
Free next day delivery is available on orders with product value of at least £100 (ex VAT) - UK Mainland only |
Next working day (2pm cut off) Please note that our working days are Monday to Friday, excluding English bank holidays. |
Orders received before 2pm are dispatched same day on a next day delivery service. Orders received after 2pm are dispatched next working day on a next day delivery service. For example, an order placed at 1pm on a Monday will be delivered on Tuesday. Orders placed after 2pm on a Monday will be delivered on Wednesday. |
Northern Ireland, Highlands and Islands ("Out of Area")
Due to increased courier costs, we currently deliver to UK mainland addresses only. Unfortunately, we are unable to deliver to Northern Ireland, offshore islands or Scottish Highlands. Some other relatively remote areas are also classed as 'Out of Area'.
To check whether we deliver to your area, please proceed through checkout. Upon entering your desired delivery postcode, you will be informed of any available shipping services prior to your order being completed.
See our delivery page for more information.
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