Envelope Kraft Paper // Introduction
Durable Protection Meets Essential Moisture Barrier
This innovative material combines the natural strength of 75gsm kraft paper with an interior PE laminate (8gsm or 10gsm) to create a reliable base for manufacturing protective envelopes. The kraft exterior provides a classic, professional look and inherent tear resistance, while the internal polyethylene coating forms an effective barrier against moisture, humidity, and light environmental liquids. It is specifically engineered as a raw material for producing envelopes that require extra protection for their contents without the bulk or cost of fully synthetic materials.
Envelope Kraft Paper // Features
♦ Base Paper: 75gsm Natural Kraft
♦ Lamination: Single-Side PE Coating (8gsm or 10gsm)
♦ Lamination Side: Interior-Facing
♦ Surface: Natural Kraft Exterior / Smooth PE Interior
♦ Format: Raw Material Rolls & Sheets
Envelope Kraft Paper // Advantages
♦ Built-In Moisture Resistance
The continuous PE layer effectively blocks moisture, humidity, and light spills, preventing damage to envelope contents during transit or storage.
♦ Enhanced Durability
Kraft paper's natural tear resistance is preserved while the PE coating adds extra strength, reducing the risk of splitting at seams or corners.
♦ Professional Appearance
The uncoated kraft exterior maintains a natural, eco-friendly look that is easily printable and ideal for branding, while the hidden interior coating provides protection.
♦ Heat Sealable Seams
The interior PE layer allows for clean, strong heat sealing during envelope manufacturing, creating secure and leak-proof seams.
♦ Lightweight Protection
Offers a superior barrier compared to standard paper without significantly increasing weight or thickness, keeping shipping costs manageable.
Envelope Kraft Paper // Idea For Envelopes
| Content Preservation |
Structural Reinforcement |
| Protects sensitive contents from environmental factors that can cause degradation, such as moisture, oils, or dust, extending the safe storage period. |
Adds strength and puncture resistance to the envelope construction, helping it maintain shape and integrity under normal postal handling and stacking. |
| Secure Sealing Enablement |
Brand Image Enhancement |
| The heat-sealable PE layer facilitates the manufacturing of strong, tamper-resistant seams that are more consistent and reliable than glue-only closures. |
Provides the trusted look and feel of traditional kraft paper while offering performance closer to synthetic materials, supporting a premium brand perception. |
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