Quick Summary
simprax Waterproofing Textile Wash-In Impregnation is a wash-in waterproofing product for fabric and outdoor wear. It is described as water-based, biodegradable, fragrance-free, and free from perfluorocarbons (PFC).
The product is made in Germany and is presented as climate-neutral. It is also described as suitable for use in a washing machine or by hand wash.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Product type | Wash-in waterproofing impregnation for fabric and outdoor wear. |
| Format | Used in a washing machine or by hand wash. |
| Country of origin | Made in Germany. |
| Product positioning | Presented as climate-neutral and eco-friendly. |
| Formula claims | Water-based, biodegradable, fragrance-free, and free from PFC. |
| Testing and standards | Spray test effectiveness is stated according to DIN EN ISO 4920:2012-12. |
| Certifications | ECO PASSPORT by OEKO-TEX, GOTS additive approval, and V-LABEL vegan certification are stated. |
What to Compare Before Buying
- Application method: This product is meant for wash-in use. Compare that with how you plan to treat the fabric, whether in a machine or by hand wash.
- Fabric type: It is described for fabric outdoor and functional wear. Check that this matches the material you want to waterproof.
- Care routine: The product is fixed by drying at room temperature, so compare that with your normal laundry process.
- Certifications: If certification matters to your purchase, review the stated ECO PASSPORT, GOTS additive, and V-LABEL claims for the exact product.
- Finish goal: It is presented as helping maintain breathability while adding water repellency. Compare that intended balance with your needs for the item you are treating.
How It Works
The product is added during washing rather than sprayed onto the fabric surface. After treatment, it is fixed by drying at room temperature, and no dryer is needed.
Before You Decide
Confirm that you want a wash-in waterproofing treatment rather than a spray-on application. Check that the fabric you plan to treat fits the stated outdoor or functional wear use. If certification or vegan status matters, review those details for the exact item before choosing an offer.





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