Specifications and Features of A4 Paper
A4 paper measures 210 millimeters by 297 millimeters, conforming to the international standard ISO 216. Its aspect ratio of √2:1 allows for consistent scaling across different sizes in the A series:
Cutting Characteristics: Folding an A4 sheet in half yields two A5 sheets; further folding produces A6 sheets, and so on.
Proportional Consistency: Regardless of size, the aspect ratio remains constant, facilitating design and layout.
Applications of A4 Paper
Due to its versatile size, A4 paper is commonly used for:
Office Documents: Reports, contracts, letters, etc.
Educational Materials: Textbooks, exercise books, examination papers, etc.
Daily Use: Crafts, printing photos, creating posters, etc.
Tips for Choosing Quality A4 Paper
When selecting A4 paper, consider the following factors:
Paper Weight: Common weights include 70g, 75g, and 80g. Higher weights result in thicker paper, suitable for double-sided printing and official documents.
Brightness: Higher brightness enhances print clarity.
Smoothness: A smoother surface ensures smooth feeding through printers and reduces paper jams.
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