40gsm Single Side Glossy White Kraft Paper for Premium Shopping Bags
This 40 g/㎡ single‑side glossy white kraft paper is the standard for retail handbags and shopping bags. Glossy front (smoothness 243.8s) delivers sharp offset/flexo printing. Stiffness and folding endurance ensure bag shape retention. High whiteness (82.12%) presents a clean, upscale appearance.
Parameter Table (40gsm)
| Parameter | Unit | Value |
|---|---|---|
| Basis Weight | g/m² | 40.4 |
| Thickness | µm | 51 |
| Tightness | g/cm³ | 0.79 |
| Gloss | % | 15.1 |
| Smoothness Front | s | 243.8 |
| Smoothness Back | s | 22.9 |
| Tensile Strength MD | N | 30.49 |
| Tensile Strength CD | N | 21.34 |
| Whiteness | % | 82.12 |
| Air Permeability | µm/Pa·s | 6.12 |
| Water Absorption | g/m² | 25.8 |
| Moisture | % | 5.5 |
Process Introduction
75‑85% softwood + 15‑25% hardwood pulp. Medium beating (CSF 550‑620mL). Single‑side super calendering with polished roll. Back side untreated for strong glue adhesion. Wound into rolls or cut into sheets (787*1092mm). No filler to maintain strength.
Applications & Advantages by Category
- Premium Handbags – Glossy exterior prints logos; matte interior glues easily.
- Shopping Bags – 40gsm ideal for medium‑weight retail bags (wine, cosmetics).
- Gift Bags – Stiff enough to stand upright; tear‑resistant handles.
- Apparel Packaging – Eco‑friendly alternative to plastic carriers.
Core Advantage
40gsm optimal balance between printability, stiffness, and material efficiency for bag making.
Get in Touch
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