What Is Coated Paper?
Coated paper has a microscopic surface coating applied to one or both sides, creating an ultra-smooth, non-porous substrate for offset printing. This specialized coating significantly reduces ink absorption into the raw paper fibers, ensuring sharp image definition, crisp photographic details, and vibrant color consistency across print runs.
Coated paper is the international publishing standard for photo books, art monographs, 雑誌, commercial catalogs, パンフレット, and full-color children's books. The two primary finishes are 光沢コートアート紙 (providing high specular reflectance and maximum saturation) そして マットコートアート紙 (offering non-glare readability and refined elegance).
光沢コートアート紙 (C2S)
High-reflectance mineral coating seals paper pores. Ink remains on the surface for maximum color saturation, dynamic tonal range, and sharp photo contrast.
マットコートアート紙 (Silk / Dull)
Diffused satin coating eliminates glare under direct reading lights while preserving fine typographic sharpness and soft, tactile elegance.
Pros and Cons of Coated Paper
Coated paper delivers superior color fidelity, but understanding its performance trade-offs is essential when matching substrate to product function:
主な利点 (長所)
- Ultra-Sharp Photographic Reproduction: Ink sits on top of the coating layer, eliminating dot gain and reproducing fine highlight and shadow gradients.
- Vibrant Color Saturation: Supports rich, high-density CMYK Gamut coverage for vivid illustrations and product photography.
- Refined, Polished Surface: Delivers a commercial, bookstore-grade tactile hand feel.
- Finishing Compatibility: Perfectly accepts thermal lamination (光沢, マット, ソフトタッチ), スポットUV, エンボス加工, デボス, and metallic hot foil stamping.
考慮事項 & 制限事項 (短所)
- Not Writing-Friendly: 滑らかな, sealed surface repels water-based ballpoint and fountain pen ink, leading to smearing.
- Surface Glare under Lighting: Gloss coated paper produces light reflections under direct ambient lighting that can cause reading fatigue.
- Less Natural Tactile Warmth: Lacks the organic paper tooth and fibrous texture found in natural uncoated book stocks.
- Not Ideal for Pure Text Titles: Novels and trade paperbacks are better paired with non-reflective uncoated offset paper.
Common Applications of Coated Paper
- Photography & アートブック: Ideal for fine art portfolios, gallery monographs, and high-contrast photography where color accuracy is paramount.
- Children's Picture Books: Standard for vibrant full-color illustrated spreads, board book laminations, and cover wraps.
- 雑誌 & Product Catalogs: Delivers high visual appeal for editorial layouts, corporate showcases, and commercial retail catalogs.
- パンフレット & 小冊子: Professional promotional hand-outs combining crisp corporate typography with high-resolution imagery.
- Illustrated Educational Books: Balances text typography with rich educational infographics and colorful diagrams.
High-Density Offset Reproduction
Our Heidelberg 5-color offset presses utilize spectrophotometric density calibration to achieve precise ink film thickness across both gloss and matte art papers, eliminating color shift across 10,000+ copy print runs.
コート紙: Weight and Caliper Specifications
GSM indicates basis weight, while caliper (thickness in μメートル) determines spine bulk and tactile rigidity:
Gloss Coated Paper Calipers
| 坪量 (GSM) | 同等の米国ベース (ポンド) | キャリパーの厚さ (μメートル) | Recommended Publishing Uses |
|---|---|---|---|
| 80 GSM | 54 ポンドテキスト | 65 μメートル | High-page-count catalogs, commercial mailers, trade directories. |
| 105 GSM | 71 ポンドテキスト | 84 μメートル | 雑誌, trade brochures, 図解入りマニュアル. |
| 128 GSM | 86 ポンドテキスト | 102 μメートル | Standard publication interior pages, art book texts, brand lookbooks. |
| 157 GSM | 106 ポンドテキスト | 133 μメートル | Premium illustrated books, children's book interiors, プレゼンテーションフォルダー. |
| 200 GSM | 135 ポンドテキスト / 74 ポンドカバー | 171 μメートル | Heavyweight plate sections, softcover covers, saddle-stitch self-covers. |
Matte Coated Paper Calipers
| 坪量 (GSM) | 同等の米国ベース (ポンド) | キャリパーの厚さ (μメートル) | Recommended Publishing Uses |
|---|---|---|---|
| 80 GSM | 54 ポンドテキスト | 72 μメートル | Lightweight non-glare catalogs and high-volume corporate periodicals. |
| 105 GSM | 71 ポンドテキスト | 93 μメートル | Architecture publications, exhibition guides, design catalogs. |
| 128 GSM | 86 ポンドテキスト | 116 μメートル | General non-glare art interiors, 企業の年次報告書. |
| 157 GSM | 106 ポンドテキスト | 152 μメートル | Luxury monographs, high-end photography monographs, museum guides. |
| 200 GSM | 135 ポンドテキスト / 74 ポンドカバー | 198 μメートル | Deluxe endpapers, section dividers, gatefold inserts. |
| 250 GSM | 169 ポンドテキスト / 92 ポンドカバー | 265 μメートル | ペーパーバックのカバー, rigid packaging inserts, premium presentation covers. |
Gloss vs. マットコート紙: あなたのプロジェクトに最適なのはどれですか?
Choose Gloss Coated Paper When:
- Maximum visual pop and shiny high-contrast sheen are desired.
- Printing vivid commercial photography, fashion lookbooks, or colorful children's illustrations.
- Content is predominantly visual with minimal dense body paragraphs.
Choose Matte Coated Paper When:
- An understated, 豪華な, non-reflective aesthetic is required.
- Books contain balanced ratios of fine art photography and readable text passages.
- Lighting conditions vary and readers require comfortable, glare-free viewing.