Epson Proofing Paper White Semimatte is a 10mil resin-coated semimatte proofing paper engineered with a naturally bright white base that is completely free of optical brightening agents — ideally suited for proofing a wide variety of color-critical commercial offset printing applications most commonly used in high-end sheet-fed products such as brochures, collateral, book covers, and posters. Specifically optimized for use with Epson UltraChrome K3 ink, it delivers outstanding short-term color stability and a wide color gamut for reliable commercial proofing results.
- Naturally bright white base — no optical brighteners — accurate simulation of uncoated and coated commercial printing stocks without OBA interference
- Wide color gamut — accurate color reproduction for commercial offset proofing applications
- Outstanding short-term stability — consistent, reliable color when used with Epson UltraChrome K3 ink
- Semimatte surface finish — matches the surface characteristics of coated commercial printing papers
- 10 mil resin-coated base — substantial weight for professional proofing environments
- 90 ISO brightness / 96% opacity — clean, accurate white base for consistent color reproduction
- 3-inch core — available in 13"x19" sheet packs and rolls from 13" to 60" x 100'
Backed by Alder Color Solutions' G7-certified color experts, you'll get hands-on support with media selection, profiling, and workflow recommendations for your specific application.
Technical Specifications
| Base Material | Resin-Coated Paper | Surface Finish | Semimatte |
| Basis Weight | 250 g/m² | Thickness | 10 mil |
| ISO Brightness | 90% | Opacity | 96% |
| LAB White Point | L: 97 | a: 0 | b: -1 | OBA | None — naturally bright white base |
| Core Size | 3" (2" spindle) | Ink Compatibility | Optimized for Epson UltraChrome K3 |
Ordering Information
| Product Code | Size | Count | Box Dimensions (W×D×H) | Weight | UPC |
|---|---|---|---|---|---|
| S042118 | 13" × 19" | 100 sheets | 19.4" × 13.4" × 1.5" | 9.8 lbs | 0 10343 86284 5 |
| S042002 | 13" × 100' | 1 roll | 15.0" × 6.8" × 6.6" | 8.2 lbs | 0 10343 85756 8 |
| S042003 | 17" × 100' | 1 roll | 19.0" × 6.9" × 6.6" | 10.5 lbs | 0 10343 85757 5 |
| S042004 | 24" × 100' | 1 roll | 25.8" × 6.0" × 5.9" | 12.4 lbs | 0 10343 85758 2 |
| S042005 | 36" × 100' | 1 roll | 37.7" × 5.9" × 5.9" | 18.4 lbs | 0 10343 85759 9 |
| S042006 | 44" × 100' | 1 roll | 46.0" × 5.8" × 5.8" | 22.3 lbs | 0 10343 85760 5 |
| S042140 | 60" × 100' | 1 roll | 61.9" × 6.6" × 6.6" | 30.7 lbs | 0 10343 86425 2 |