
Tungsten acid can be applied in near-infrared shielding material, which precisely controls the amount of light, glare and heat passing through, reducing the need for air conditioning during the summer months. Tungstic acid enables near-infrared shielding material to have the following advantages: 1. Not easy to fade with long service life; 2. Anti-UV up to 99% with high light transmission, preventing interior furniture or ornament from fading; 3. Block glare. When it is applied in automobile, it makes drivers drive…