Polyurethane foam material, a new type of agricultural cultivation substrate

Juyitang Editor ( Wechat ID: pu138com) Wechat, grasp polyurethane dynamics and grasp the future!

Polyurethane foam has the functions of heat preservation and waterproof, cushioning and insulation, and is widely used in furniture, building materials, refrigeration, transportation and other fields. Nowadays, hydrophilic and water-absorbing polyurethane foam can improve the water absorption and water retention functions of the foam, improve the soil, and transport fertilizers, so it can be used as one of the best cultivation substrates for vegetables and flowers.

In the past, the base material of household potting was mostly soil, but it was difficult to take care of, and the sewage generated was prone to insect damage. The hydrophilic water-absorbent polyurethane foam has the advantages of integration, light weight, and strong water retention. It can not only avoid the unfavorable factors of traditional soil cultivation, but also beautify the environment, making bonsai, flowers, green plants, etc. more artistic and ornamental. Compliant with export requirements, it can maintain the nutrients of plant roots during transportation.

1. New soilless culture substrate

Cuttings from a wide variety of ornamental and nursery plants root satisfactorily on polyurethane substrates and, in many cases, grow faster than on conventional substrates.

The especially hydrophilic rigid polyurethane foam is suitable as a growth medium for crop cuttings. This product is both porous and hydrophilic, with a density between 10-15kg/3. It can be used for rooting and germination of cuttings, and storage Water-capable, non-perishable and does not release compounds harmful to plants.

2. Soil improvement materials

As a soil improvement material, polyurethane foam has better durability than other materials. After five years of use, it still has a good ventilation effect. Although due to ultraviolet light or mechanical reasons, its structure will be destroyed and its quantity will be lost, but its residues are in the soil and have no effect on the growth of plants. The growth of plants has the same efficacy.

3. Fertilizer carrier

Polyurethane foam can be used as a fertilizer carrier. Using its porous characteristics, it can absorb fertilizer components in the pores and become a good absorbent fertilizer. Its adsorption capacity is equivalent to the total pore volume, which is more than 50 times that of polyurethane foam, so the proportion of adsorption materials is very small, showing great advantages. At the same time, it also plays a certain role in improving the soil.

Different from traditional agricultural cultivation base materials, hydrophilic and water-absorbing polyurethane foam has strong water retention and its own porous characteristics, which can facilitate the transportation of fertilizers and improve the soil, providing a more favorable environment for the growth of agricultural plants and flowers. Global Plastics Network pointed out that with the growing market demand for soilless cultivation technology and the gradual realization of large-scale and modern development, polyurethane foam has huge market potential in the field of agricultural cultivation.