70g Glassine Paper Heavy Duty for Electronic Die-Cutting and Insulation Gaskets
Product Details
| Basis Weight: | 70.0 G/m² | Thickness: | 0.075 Mm |
|---|---|---|---|
| Density: | 1.09 G/cm³ | Tensile Strength MD: | 6.00 KN/m |
| Transparency: | 32% | Smoothness: | ≥900 S |
Product Description
Designed for demanding die-cutting and insulation applications, 70 g/㎡ glassine paper achieves a thickness of approximately 0.075-0.085 mm with tensile strength MD ≥6.00 kN/m. It serves as a stable base for cutting mobile phone accessory pads, dustproof gaskets, and thermal insulation sheets. High density prevents fiber lifting during kiss-cutting.
Technical Specifications
| Parameter | Unit | Value (interpolated from 58g and 78g) |
|---|---|---|
| Basis Weight | g/m² | 70 (±3.0) |
| Thickness | mm | 0.075-0.085 |
| Density | g/cm³ | ≥1.10 |
| Transparency | % | ≥30 |
| Smoothness | s | ≥1000 |
| Tensile Strength MD | kN/m | ≥6.00 |
| Tensile Strength CD | kN/m | ≥2.70 |
| Tear Strength CD | mN | ≥350 |
| Burst Strength | kPa | ≥200 |
Process Introduction
70g glassine undergoes extended supercalendering to maintain density and smoothness at higher basis weight. The fiber furnish uses premium bleached softwood kraft pulp. Multi-stage pressing ensures uniform caliper. PVA surface sizing (4-6% concentration) is applied on both sides. After supercalendering, the paper is moisture-balanced for 48 hours to prevent edge curl. Optional anti-static treatment (surface resistance 10⁸-10¹¹Ω) is available.
Uses & Distinguishing Features
Electronic Die-Cutting – Base paper for smartphone gaskets, speaker mesh, and camera lens protectors.
Insulation Gaskets – For small appliances and battery compartments; dielectric strength.
Adhesive Tape Liner – Heavy-duty tapes for automotive and industrial use.
Anti-Static Packaging – Wraps sensitive electronic components (with anti-static treatment).
Why Choose This Paper – 70g provides the structural integrity needed for precision die-cutting without deformation, making it a top choice for electronics component manufacturers.
Product Highlights
Designed for demanding die-cutting and insulation applications, 70 g/㎡ glassine paper achieves a thickness of approximately 0.075-0.085 mm with tensile strength MD ≥6.00 kN/m. It serves as a stable base for cutting mobile phone accessory pads, dustproof gaskets, and thermal insulation sheets. High ...
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