Astralon

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neuter noun (technology / materials / cartography)

Definition

A high-quality transparent plastic material, manufactured from unplasticized polyvinyl chloride (PVC), structurally characterized by exceptional dimensional stability, resistance to moisture and thermal deformation. It is widely used in cartography, photogrammetry, lithography, and precision technical drawing as a non-deformable substrate for tracing, copying, or engraving maps and topographic plans.

Bilingual Equivalents

  • Astralon
  • Astralon film

Grammatical & Source Details

Inflection Type Neuter noun, following standard industrial material paradigms for singular and generic usage.
Formation Proprietary trade name historically assimilated into international technical vocabulary as a common noun for rigid drafting sheets.
Spelling / Pronunciation [as-tra-lon]
Source Glossary of Cartographic and Photogrammetric Materials

Contextual Usage Examples

RO: Cartograful a gravat curbele de nivel direct pe o folie rigidă de astralon pentru a asigura precizia hărții.

EN: The cartographer engraved the contour lines directly onto a rigid astralon sheet to ensure the map's precision.

RO: Deoarece nu își modifică dimensiunile la variațiile de temperatură, acest astralon este ideal pentru planurile cadastrale.

EN: Because it does not change its dimensions during temperature variations, this astralon is ideal for cadastral plans.

RO: În depozitul institutului geografic se păstrează sute de hărți vechi desenate pe straturi transparente de astralon.

EN: In the geographic institute's warehouse, hundreds of old maps drawn on transparent layers of astralon are preserved.

Idioms & Phrases

Folie de astralon / Astralon sheet

RO: Strat subțire și rigid de material plastic folosit ca bază pentru desenele tehnice suprapuse de înaltă fidelitate.

EN: A thin and rigid layer of plastic material used as a base for high-fidelity overlaid technical drawings.

Gravură pe astralon / Astralon engraving

RO: Procedeu tehnic de inciză fină executat pe suprafața plastică pentru a produce matrițe de tipar litografic.

EN: A technical fine incising process executed on the plastic surface to produce lithographic printing master plates.

Stabilitate de astralon / Astralon stability

RO: Capacitatea fizică structurală a materialului de a-și păstra lungimea și lățimea exacte în medii cu umiditate fluctuantă.

EN: The structural physical capacity of the materialto maintain its exact length and width in environments with fluctuating humidity.

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