Envelopes and File Folders Single Side Glossy White Kraft Paper 75gsm
This 75 g/㎡ single‑side glossy white kraft paper is tailored for premium envelopes, file folders, and hang tags. High stiffness and tear resistance (tensile MD 60.98N) ensure envelopes survive postal sorting machines. Glossy front prints addresses and logos sharply; matte back accepts glue for sealing.
Parameter Table (75gsm)
| Parameter | Unit | Value |
|---|---|---|
| Basis Weight | g/m² | 75.6 |
| Thickness | µm | 89 |
| Tightness | g/cm³ | 0.85 |
| Gloss | % | 14.7 |
| Smoothness Front | s | 114.1 |
| Smoothness Back | s | 9.1 |
| Tensile Strength MD | N | 60.98 |
| Tensile Strength CD | N | 38.8 |
| Whiteness | % | 83.11 |
| Air Permeability | µm/Pa·s | 5.1 |
| Water Absorption | g/m² | 26.5 |
| Moisture | % | 5.5 |
Process Introduction
High‑density forming with extended pressing. Single‑side calendering with controlled temperature to avoid gloss mottle. Back side intentionally rough for hot‑melt glue adhesion. Sheet cutting with ±1mm tolerance, stacked in reams.
Applications & Advantages by Category
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Premium Envelopes – 75gsm glossy outer for corporate mail; durable flap.
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File Folders – Manila‑style with printed tabs; resists edge tearing.
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Hang Tags – Clothing tags; prints barcodes and pricing.
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Document Wallets – Archival quality, acid‑free.
Core Advantage – 75gsm stationery grade combines high stiffness (89µm thickness) with professional print finish.
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