Description
Holdfast Penetrant – Weed Force
Holdfast Penetrant is a premium non-ionic wetter and penetrant that enhances the performance of herbicides by improving foliar uptake and spray coverage. Ideal for use on difficult-to-wet or woody weeds like blackberry, gorse and bracken, Holdfast increases the effectiveness of many agricultural chemicals.
Key Features
- Improves herbicide uptake and penetration on target weeds
- Highly effective on tough broadleaf and noxious weeds
- Optimises spray results on hard-to-wet species like onion grass
- Compatible with most agricultural chemicals unless otherwise stated
- Contains premium organosilicone technology for fast spreading
Active Ingredient
1020 g/L Organosilicone (polyether modified polysiloxane)
When to Use Holdfast
Holdfast is especially beneficial when treating persistent or waxy weeds where standard herbicide applications may struggle to absorb fully. For best results, apply under suitable weather conditions and always follow herbicide label instructions.
To better understand how wetting agents like Holdfast work and when to use them, read our article on Wetting Agents in Agriculture.
To explore the full Weed Force range, trusted by landowners and contractors across Australia, click the link and browse products designed to tackle even the toughest weeds.









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