Traditional Culture Encyclopedia - Photography and portraiture - Detailed description of ceramic photographic materials
Detailed description of ceramic photographic materials
Observation glaze
The glaze of high-quality ceramic tiles should be smooth as a mirror and shiny as jade. Observing the glaze can reflect the quality of the product from the side.
Color difference can be ignored.
Put several tiles together and observe them carefully in natural light. Good products have small color difference and uniform color tone; And poor quality products may have obvious color difference, different shades.
The chromaticity is clear and natural.
When purchasing, pay attention to the chromaticity of tiles. Ceramic tiles with clear and natural chromaticity have high porcelain degree and better quality.
Low water absorption rate
Through the drop test, drop a few drops of tea juice or water on the back of the tile. Good quality tiles have low water absorption and rapid water droplet diffusion; On the contrary, the quality of tiles with high water absorption is relatively poor.
A clear voice
Tap the tile gently and listen to its sound. Ceramic tiles with crisp sound have higher porcelain quality and density and better hardness.
Less scratches
Scrape the surface of the tile with a sharp object and check whether there are scratches left. If it is easy to leave scratches, it means that the glaze is not good, it is easy to slip and it is not easy to clean.
Pinhole-free
When purchasing, carefully observe whether there are pinholes on the surface of ceramic tiles. Glazed tiles with pinholes may be incompletely fused and easy to scale.
Small warping
Check the warpage of tiles and observe whether the sides are straight. Tiles with serious warpage will affect the firmness of pavement, so special attention should be paid.
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