Silica: The "Crop Growth Promoter" in Agricultural Film

In the light-transmitting layer of greenhouse films, the thermal insulation structure of mulch films, and the durable fibers of insect-proof nets, silica is quietly revolutionizing agricultural planting as an "agricultural film performance optimizer." This fine white powder, by regulating light transmittance, enhancing thermal insulation, and improving durability, transforms agricultural films from "simple covers" into "intelligent growth environment regulators" — from making greenhouse light more suitable for photosynthesis, to enabling mulch films to lock in soil temperature without suffocating roots, from making insect-proof nets more resistant to wind and rain erosion, to extending film service life through anti-aging properties. The microscopic characteristics of silica are injecting more vitality and protection into crop growth.

一、The "Light Efficiency and Temperature Regulator" of Greenhouse Films

Greenhouse films act as "sunlight regulators" for crop growth. By optimizing their optical properties, silica creates suitable light conditions for crops:

Balance of light transmission and thermal insulation: Adding silica to greenhouse films selectively transmits visible light needed for crop growth while reflecting part of infrared light, reducing heat loss in the greenhouse and achieving the effect of "increasing temperature without scorching seedlings." Even in low-temperature seasons, it can maintain stable indoor temperatures, allowing crops to germinate early and shortening the maturity cycle.

Coordination of anti-fogging and anti-aging: Silica reduces the surface tension of films, minimizing fog condensation in the greenhouse to prevent water droplets from damaging seedlings. It also ensures uniform light transmission, so crops receive consistent illumination. Additionally, it enhances the film’s UV aging resistance, extending service life and reducing labor and costs associated with frequent replacements.

Dual focus on anti-dripping and breathability: The treated inner side of greenhouse films is less prone to water droplet formation, maintaining stable light transmittance. Meanwhile, the film’s microporous structure allows limited gas exchange, avoiding excessive carbon dioxide accumulation or oxygen deficiency in the greenhouse and providing sustained energy for crop photosynthesis.

The "light efficiency regulation" of greenhouse films directly affects crop yield and quality. The addition of silica is like installing a "light-temperature balancer" for the films, ensuring every crop grows healthily in suitable light and temperature.

二、The "Function Enhancer" of Mulch Films and Protective Nets

Mulch films and protective nets are "personal bodyguards" for crop growth. By enhancing their performance, silica provides more reliable protection:

Coordination of moisture retention and weed control in mulch films: Silica-modified mulch films have better breathability, locking in soil moisture to reduce evaporation while allowing excess water vapor to escape slowly, preventing root hypoxia. Their opaque parts inhibit weed growth, reducing pesticide use. The enhanced toughness of the films prevents damage during laying, and degradable versions can decompose naturally after use without polluting the soil.

Balance of durability and breathability in insect-proof nets: Adding silica to the fibers of insect-proof nets enhances their tensile strength and weather resistance, preventing brittleness and breakage even after exposure to wind, rain, and UV radiation, thus extending service life. Meanwhile, the mesh size remains stable, effectively blocking pests without hindering air circulation, creating a well-ventilated and cool environment for crops.

Dual focus on shading and cooling in sunshade nets: Silica adjusts the shading rate of sunshade nets, providing moderate shading according to crop needs to avoid leaf scorching from strong light. The improved heat dissipation of the net material can reduce greenhouse temperatures by 3-5℃, creating a cool environment for shade-loving crops or summer seedling raising and reducing high-temperature stress on growth.

The "functionality" of mulch films and protective nets guarantees healthy crop growth. The addition of silica, through material enhancement, makes these agricultural supplies more adaptable to complex field environments while protecting crops, reducing costs and increasing efficiency in agricultural production.


Low compression set Fluorosilicone compound（MY-FSR SERIES）-Mingyi Silicone