A. There are four most common types of paper specifications:
(1) Positive paper: Measuring 109.2 cm in length and 78.7 cm in width, this is a standard size often used for general printing needs.
(2) Large size paper: This specification measures 119.4 cm long by 88.9 cm wide, suitable for larger format projects or industrial applications.
(3) Sticker paper: With dimensions of 765 cm in length and 535 cm in width, it's commonly used for large stickers, banners, or signage.
(4) Carbonless paper: Available in both positive and generous sizes, it comes in different grades—upper, middle, and lower paper—which vary in quality and price. These are typically used in multi-part forms where a copy is needed without carbon sheets.
B. The most common types of paper include:
(1) Copy paper: Usually 17g with a positive finish, it's ideal for tax receipts, gift wrapping, and other lightweight documents, often featuring a pure white color.
(2) Typing paper: At 28g with a positive finish, it's widely used for forms and documents. It comes in seven colors—white, red, yellow, blue, green, light green, and purple—to help differentiate between different sections or purposes.
(3) Glossy paper: Ranging from 35 to 40g, it has one shiny side and is used for forms, notes, and low-grade printed materials that require a bit more visual appeal.
(4) Writing paper: Available in 50-100g with both positive and large finishes, it’s commonly used for everyday printed items and is the most popular type in domestic markets.
(5) Double offset paper: Typically ranging from 60 to 180g, it has both sides with a positive finish and is used for mid-range prints, especially in China, as well as in joint ventures and imported products.
(6) Newsprint: Usually 55-60g, this is a roller paper with a positive finish, commonly used for newspapers and other mass-printed publications.
(7) Carbonless paper: Available in 40-150g with both sides having a positive finish, it allows for direct copying without carbon sheets. It is divided into upper, middle, and lower grades, each with different prices and cannot be interchanged. It comes in seven colors and is often used in combined forms.
(8) Art paper: A. Double copper: Available from 80-400g with a positive finish and both sides being large, it's ideal for high-end printing jobs such as magazines, brochures, and premium packaging. B. Single copper: Often used for cartons, boxes, handbags, and pill boxes, it has a high polyester content and offers a smooth, glossy finish.
(9) Sub-powder paper: Ranging from 105-400g, it provides an elegant appearance and is often used for high-quality color printing, especially in premium marketing materials.
(10) White paper with gray background: Over 200g, it features a gray coating on a white base and is mainly used for packaging, offering a subtle yet sophisticated look.
(11) White cardboard: At 200g, it is double-sided white and is used for mid-range packaging solutions, such as boxes and displays.
(12) Kraft paper: Available from 60-200g, it's known for its strength and durability, making it ideal for packaging, cartons, document bags, archival folders, and envelopes.
(13) Special paper: Often imported, this type is used for cover pages, decorative elements, crafts, and high-end products where unique texture or appearance is required.
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