12"x18" White Glossy Cover Paper Sheets For Offset Printing, Digital Printing 80-350gsm
This white glossy coated cover paper (art paper) is premium coated printing stock with full grammage coverage from 80gsm up to 350gsm. We develop two exclusive quality versions to match different printing equipment: one professional grade optimized for offset printing, another special formula designed for high-speed digital printing. The standard finished sheet size is 12"×18". Besides fixed specifications, we provide full custom cutting service for any special sheet dimensions as clients require. Each ream is available in three packing options: 100 sheets, 250 sheets or 500 sheets per pack. With mirror smooth glossy coating layer, outstanding color reproduction and flatness, it is the top choice for cover pages, posters and high-definition color printed products.
| Item | Detailed Parameters |
|---|---|
| Product Type | White Glossy Coated Cover Paper / Gloss Art Paper |
| Standard Sheet Size | 12 inch × 18 inch |
| Available Grammage | 80gsm ~ 350gsm full range |
| Two Independent Grades | 1. Special Grade for Offset Printing 2. Special Grade for Digital Printing |
| Surface Effect | Bright High Gloss Coated Finish |
| Custom Size Service | Support all customized sheet dimensions |
| Ream Pack Specifications | 100 sheets / 250 sheets / 500 sheets per pack |
| Printing Performance | High color saturation, sharp dot restoration |
- Two Professional Grades for Different Printing Ways
Separately formulated coating and base paper: offset grade achieves stable ink layering for large batch offset press; digital anti-curling grade avoids toner peeling, suitable for laser & digital presses. - Complete 80–350gsm Grammage Selection
Light thin sheets for flyers, medium weight for catalog inner pages, heavy thick stock for hard cover, greeting cards and display posters. - Bright High Gloss Surface with Vivid Color Output
Uniform compact coating layer enhances color saturation, restores delicate color gradients, photos and artwork with high definition. - Flexible Custom Size Cutting
Standard 12×18 inch sheets in regular stock; any special width and length can be cut to fit unique print products. - Multiple Ream Pack Options
Three packing quantities (100/250/500 sheets) to meet small trial orders and large bulk printing factory orders. - Excellent Flatness & Processing Performance
Low curling rate after printing, easy to fold, die-cut and laminating without cracking coating layer.
- Cover pages of brochures, catalogs, magazines, product manuals
- High-end posters, advertising leaflets, event flyers and promotional cards
- Menu covers, wedding invitations, gift cards, hard book covers
- Luxury packaging inserts, retail display cards, photo printing materials
- Mass offset printing & digital quick print shop daily production
- Independent production lines for offset coated paper and digital coated paper, strictly separated raw material formulas to guarantee targeted printing performance.
- Precise coating thickness control, consistent gloss and whiteness without color difference between batches.
- Automatic cutting and ream packaging machines, accurate sheet counting with three packing specifications optional.
- Full pre-delivery inspection: gloss test, stiffness test, digital toner adhesion test and offset ink absorption test.
- Export moisture-proof pallet packaging, prevent coating damp and surface scratch during cross-border transportation.
- Factory direct supply, stable daily output to support long-term bulk cooperation with printing houses and wholesale distributors.

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