Mold nq-40 is a mold inhibitor developed by Guangdong micro control Biotechnology Co., Ltd. for many years. It can be used in wall paint, wood products and other products. It is made of efficient mold inhibitor through scientific proportion. It has the characteristics of low addition, strong weather resistance, and can effectively protect the dry film of waterborne exterior wall paint from mold and algae.
1、 Product nature
| Test items | Index |
| Appearance | White to light yellow suspension |
| Effective content,% | ≥40 |
| 1%pH(25℃,aqueous solution) | 6-9 |
| Suspension rate,% | ≥90 |
2、 Practical performance test experiment
1). Minimum inhibitory concentration test (MIC) (unit: ppm)
| Sample name | Aspergillus niger | Penicillium funiculosum | Trichoderma viride | Candida albicans | Aureobacidium pullulans |
| NQ-40 | 50 | 40 | 20 | 80 | 80 |
| Sample name | Cladosporium cereus | Chlorella | Scenedesmus quadricaudatus | Silk algae | Chlorella |
| NQ-40 | 80 | 200 | 250 | 200 | 200 |
2)、Anti mildew and anti algae experiment
2.1)Mould proof experiment
| Inspection basis and analysis method | GB/T1741-2007Test method for mould resistance of paint films |
| Sample name | Mildew proof grade |
Blank coating | Level 0 |
| Blank coating | Level 4 |
2.2)Anti algae experiment
| Inspection basis and analysis method | GB/T21353-2008《Test method for algae resistance of paint film》 |
| Sample name | Algae resistance grade |
| Blank coating +0.5%Mold NQ-40 | Level 0 |
| Blank coating | Level 4 |
3、 Recommended dosage
1). Recommended dosage: 0.1 ~ 0.5%, directly add it into the required aqueous products and stir it evenly;
2). Each product needs its own unique anti mildew system to ensure its anti mildew effect. It is recommended to verify the recommended dosage of the product through laboratory test to ensure the compatibility of the product in the finished product and the expected anti mildew effect.
4、 Precautions
1). This product has certain irritation before dilution. Wear masks and gloves when using it to avoid splashing on skin and clothes. If this product splashes on the skin or eyes, please wash immediately with plenty of water. If you still feel unwell, please see a doctor.
2). This product is strictly prohibited from entering and placed away from children. If you take it carelessly, please see a doctor immediately.
3). This product should be kept in a dark, dry, waterproof, moisture-proof, fireproof and cool place.
5、 Storage and transportation
25kg / barrel, sealed and stored in a dry and cool place, valid for 12 months
