FC-free water repellent WSP-21

Characteristics：

Appearance: Milky white or light yellow liquid
Solid content: 25%
Ionicity: weak cationic
PH value:3.5-5.5
Solubility: Dispersible in water at any proportion

Reference Dosage：

Ordinary waterproof
WSP-21 30-80g/L
Padding, dry, curing@170℃*1min. Durable waterproof
WSP-21 50-70g/L + FX-31（crosslinking agent ）
10-20g/L,Padding, dry, curing@ 170 ℃ *1min

Precautions：

1.Before mixing with other additives, the compatibility should be confirmed through preliminary tests.
2. When there are hydrophilic substances left in the previous processing on the processing cloth, the processing effect will be affected, so the cloth before waterproof and oil-proof processing must be cleaned; Baking must be sufficient during processing.
3. If baking is required during processing, the baking should be sufficient, otherwise it will affect its performance.
4. Please use up the working fluid containing waterproofing agent and mixed chemicals within 12 hours. The stability and performance of the working fluid left for a long time must be confirmed before use.
5. Please use it as soon as possible after opening, and pay attention to sealing to prevent evaporation and avoid open flames and direct exposure to the sun.
6. The storage temperature is between 5℃~ 40℃ and avoid freezing.

Application scope of this product: Polyester, nylon, cotton, polyester/cotton, polyester/viscose and other fabrics.