Details
Mold wq-40 is an anti mildew agent developed by Guangdong Microcontrol Biotechnology Co., Ltd. for many years. It can be used in wall paint, wood products and other products. It is made of efficient anti mildew agent and anti algae agent 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 anti 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
Minimum inhibitory concentration test (MIC) (unit: ppm)
| Sample name | Aspergillus niger | Penicillium funiculosum | Trichoderma viride | Candida albicans | Aureobacidium pullulans |
| WQ-40 | 50 | 40 | 20 | 80 | 80 |
| Sample name | Cladosporium cereus | Chlorella | Scenedesmus quadricaudatus | Silk algae | Chlorella |
| WQ-40 | 80 | 200 | 250 | 200 | 200 |
3、 Anti mildew and anti algae experiment
Mould proof test:
| Inspection basis and analysis method | GB/T1741-2007Test method for mould resistance of paint films |
| Sample name | Mildew proof grade |
| Blank coating+0.5%Mold WQ-40 | Level 0 |
| Blank coating | Level 4 |
Algae resistance test:
| 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 WQ-40 | Level 0 |
| Blank coating | Level 4 |
4、 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.
5、 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.
6、 Storage and transportation
25kg / barrel, sealed and stored in a dry and cool place, valid for 12
months.
