Substances such as air, water and glass are called transparent. When light encounters transparent materials, it passes almost entirely through them. Glass, for example, is transparent to all visible light. The translucent material allows some light to pass through them.
Frosted glass and some plastic materials are translucent. When light hits translucent materials, only part of the light passes through them, deflects many times and is scattered as it passes. Therefore, the inside of them is not clearly seen, objects on the other side of a translucent object appear blurry and indistinct.
Most materials are opaque. When light hits an opaque object, it does not pass through that material. Most of the light is either reflected by the object or absorbed and converted into heat. Materials such as wood, stone, and metal are opaque to visible light.
In the field of optics, transparency is the physical property of allowing light to pass through material without appreciable light scattering. A material appears transparent when it does not strongly absorb or refract light.
Transparency, or transmission of visible light, is expressed as light transmittance, i.e. the percentage of measured light transmitted from a standard sample. Transparency has no specific unit. The transmittance value is usually reported as a percentage of transmitted light. The higher the permeability percentage, the higher the transparency.
In order to determine how easily light can penetrate a material, the following standard developed by the American Testing and Materials Organization (ASTM) is generally used: ASTM D1003 Standard test method for haze and light transmission of clear plastics. The test method defined in this standard involves the evaluation of certain light transmission and wide angle light scattering properties of clear plastic materials.
This standard provides two procedures for light transmission:
Material with a haze value greater than 30 percent is considered diffuse and is tested according to ASTM E2387.
Our organization also provides transparency analysis services with its trained and expert staff and advanced technological equipment, among the numerous test, measurement, analysis and evaluation studies it provides for businesses in various sectors.
To get an appointment, to get more detailed information or to request an evaluation, you can ask us to fill in our form and reach you.
EUROLABreporting and certification activities, United Accreditation Foundation (UAF), Turkish Accreditation Agency (TÜRKAK) ve Enterprise Accreditation Foundation (EAF) based on the accreditation provided by the accreditation body. The Enterprise Accreditation Foundation (EAF) accreditation body is also a signatory of the United Nations (UN GLOBAL COMPACT) organization.
