# Products diluted 1:50~1:150

> 2 products. A curated index over the authoritative English catalogue (for AI/search agents).

- [Hydro Foam Sealant](https://findyourdetail.io/products/koch-chemie/hydro-foam-sealant) — Koch Chemie · pH neutral · dilution 1:50~1:150
- [PreWash A (Precleaner & Insect Remover A)](https://findyourdetail.io/products/koch-chemie/prewash-a) — Koch Chemie · pH alkali (13) · dilution 1:50~1:150