there are many impermiable substances to water such as titanium, copper and other metals, there are also plastics and composites.
Impermeable rock has a very low porosity and lacks interconnected pore spaces that allow water to flow through. As a result, water cannot penetrate through impermeable rock, making it water-resistant.
permeable
Impermeable means water can't get through it. For example, clay is impermeable substance (because water can't seep through it), but chalk is permeable (because water can drip through it slowly) Sometimes it also applies to places which you can't get into, for example, an 'impermeable fortress' would be difficult to get into.
An impermeable rock that does not allow water to pass through is called a impermeable rock, such as shale or clay. These rocks have very low porosity and permeability, preventing water from flowing through them.
If the layer of impermeable rock is below the water table, then the water table is likely above the impermeable rock and the groundwater will be trapped above it. If the impermeable rock is above the water table, then the water table is likely below the impermeable rock layer and the groundwater will not be able to pass through it.
An impermeable layer is a barrier that doesn't allow substances to pass through, such as water, air, or chemicals. It is often used in construction, environmental protection, and infrastructure to prevent leakage or contamination. Materials like clay, concrete, and synthetic liners are commonly used to create impermeable layers.
Impermeable means that stuff can't go through it. Wax is impermeable to water. Paper towels are not. Glass is impermeable to air. Mesh cloth is not. Some things are impermeable to one thing but not another. Clear plastic is impermeable to water and air, but not light. Lead metal is impermeable to x-rays, but not heat. Which layer is impermeable depends on what it is impermeable to.
Impermeable refers to a material or substance that does not allow fluids or gases to pass through it. This property is crucial in various applications, such as construction, where impermeable barriers prevent water infiltration, or in biology, where cell membranes regulate the passage of substances. Common impermeable materials include certain types of plastics, metals, and treated fabrics.
No it has no way to pass threw or no entry to pass water etc.
osmotically active
The water sinks through the ground through permeable rock and is concentrating when it arrives to impermeable rock. When due to erosion the impermeable rock carrying water is exposed, the water appears as a spring.
A raincoat is impermeable because it is made with fabric or plastic that is made to repel water.