Features of Dry Treatment｜Kanematsu Sustech Corp. Wood ＆ Housing Materials Division

Nissan-clean AZN

Human-friendly, fungi-resistant, wood preservatives used dry-treatment

Nissan-clean AZN is a wood preservative that combines the fungicide propiconazole and the insecticide imidacloprid. These chemicals are resistant to leaching from the wood, providing long-term, stable protection against fungi and termites. With this product, pressure impregnation treatment can now be applied to engineered wood products such as laminated veneer lumber (LVL), plywood, and cross-laminated timber (CLT), which were previously difficult to make preserved.

About Nissan-clean AZN

1. No drying process is required after treatment.

We do not use any water-based treatments. Therefore, the finish is completely dried. There is no need for drying forcefully, such as that required for water-soluble chemical treatments.

2. We can make treatment to the processed products.

Because dimensional changes are quite minimal, we can make treatment to the processed products like a LVL and CLT.

3. The wood can be assembled, bonded, and painted right after treatment.

Because the wood is completely dried, even though right after our treatment, it can be assembled, bonded and paited as you like.

4. This is a safe, color-free, and environmentally friendly chemical.

The graph below clearly shows the high safety of this chemical. Its colorless nature ensures that the natural beauty of wood is preserved.

5. Reduction in total cost

It is dry immediately after processing and has minimal dimensional changes, resulting in very little processing loss such as artificial drying or finishing.

*Nissan-clean AZN has successfully passed all effectiveness tests as defined by the Japanese Industrial Standards (JIS), the Japan Wood Preservation Association, and the Japan Housing and Wood Technology Center.

Safety of Nissan-clean AZN

Nissan-clean AZN utilizes a highly safe chemical, as verified by toxicity tests. Based on Japan's Ministry of Health, Labour and Welfare toxicity classification, substances with an LD50 of 50 mg/kg or less are categorized as poisons, those with an LD50 between 50 mg/kg and 300 mg/kg are classified as highly toxic substances, and those above 300 mg/kg are categorized as general substances. In acute oral toxicity tests conducted on rats, Nissan Clean AZN was classified as a general substance.
LD50 represents the estimated dose of a substance lethal to 50% of a test population in a single dose. A lower LD50 indicates higher toxicity.

Features of Dry-treatment

Four Advantages of Our Dry-treatment

There are two primary methods of pressure treatment: the traditional water-soluble method and our innovative dry method for wood preservation. The dry method offers four key advantages. Our dry method is in compliance with Japanese Industrial Standard JIS A 9002 "Preservative treatments of wood products by pressure processes".

Four Advantages of Dry-treatment

No usage of water as a solvent prevents wood from swelling, leading to minimal dimensional variation compared to wet-treatments.
Chemical exhibits high penetrability into wood.
The treatment can be performed using low-toxicity substances.
It is well-suited for structural materials in residential construction that require dimensional stability for immediate post-treatment finishing operations such as painting and gluing.

Process of Dry-treatment

Injection process movie

Dry Wood Treatment and Anti-termite Treatment Equipment KYF-1980-50

This fully automated equipment is designed for the pressure impregnation of wood with preservatives. It offers high efficiency and energy savings throughout the entire process, enabling the treatment of processed products. The solvent used is recyclable.

Details of Nissan-clean AZN

For more detailed information, please contact us using our Catalog / Brochure Request Form.