High porosity plug wrap paper is a high-end paper for filter rods in the tobacco industry. Made from high-quality bleached wood pulp, it is produced through inclined/long-web forming, super calendering and precise sizing. Its key characteristics include high air permeability, excellent uniformity and high strength, meeting the requirements of high-speed cigarette assembly and tar reduction in the tobacco industry, and complying with YC/T industry standards and food contact safety regulations.
● Ultra-high air permeability: Conventional range 1000–6500 CU (Coresta Unit), with smooth air flow to facilitate tar reduction and harm reduction.
● Uniform fiber structure: Smooth and clean paper surface, free from impurities and dusting, suitable for high-speed printing and forming.
● Optimized strength: Moderate MD strength (no knife jamming, no paper breakage) and controllable CD elongation (ensures roundness of filter rods).
● Stable sizing: Internal and surface sizing provides good water resistance, no glue penetration and no adhesion during forming.
● Dimensional stability: Uniform moisture content, no warping, compatible with high-speed cigarette making machine (8000–12000 cigarettes per minute).
● Safe & eco-friendly: Free of optical brighteners, low VOC content, and meets hygienic standards.
1. Core base material for high-end cigarette filter rods
Used to wrap cellulose acetate tow or composite filter media (e.g., activated carbon) to produce high-permeability tar-reduced filter rods, improving smoke purity and filtration efficiency.
2. Composite/functional filter forming
Used with laser-perforated tipping paper to achieve precise tar reduction. Applied in medium-size, slim and capsule cigarettes to support cavity filter structures and prevent particle leakage.
3. Upgraded high-end tobacco materials
Replaces conventional forming paper for high-end gift cigarettes and export cigarettes, ensuring filter rod roundness and appearance consistency, and compatible with high-end packaging printing.
4. Special operating conditions for cigarette machines
Suitable for ultra-high-speed cigarette assembly equipment (over 10000 cigarettes per minute), with stable operation and low paper breakage rate, improving production efficiency.
High porosity plug wrap paper is a specialized water-soluble industrial paper used in oil and gas well fracturing operations. Its primary function is to temporarily wrap and secure the internal moving parts of a frac plug or bridge plug during deployment, preventing premature setting. Thanks to its high porosity, the paper rapidly absorbs wellbore fluids (such as water-based or brine solutions) and completely dissolves within hours (typically 4 to 48 hours). This automatic dissolution ensures that after fracturing is completed, the plug components are freed or dissolved, ultimately leaving a full-bore path for hydrocarbon production.