Maintaining strict particle contamination control is the cornerstone of cleanroom operational compliance in industries such as pharmaceuticals, electronics manufacturing, medical devices, and precision optics. As a critical frontline contamination control product, PE sticky mats (also known as cleanroom tacky mats) capture dust, lint, fine particles, and debris from the soles of shoes and equipment wheels, effectively preventing external pollutants from entering controlled cleanroom environments.
Not all PE sticky mats deliver consistent performance. Improper selection will lead to insufficient dust removal efficiency, frequent replacement, floor safety hazards, or even compromised cleanroom cleanliness grades. This guide elaborates on the core factors, key specifications, and scenario-based selection principles to help you pick the most suitable PE sticky mat for your cleanroom.
1. Understand the Core Functions and Working Principle of PE Sticky Mats
PE sticky mats are multi-layer disposable adhesive films made of high-quality LDPE (low-density polyethylene) material, featuring a safe, pressure-sensitive adhesive coating. The bottom layer adheres firmly to flat floors, while each top layer provides strong tackiness to trap micro-particles. Once the surface layer is covered with dust and loses viscosity, users can simply peel it off to expose a fresh, clean adhesive layer.
Different from ordinary floor mats, professional cleanroom PE sticky mats have three non-negotiable core advantages: zero particle shedding, stable adhesive force, and anti-slip flat design. These features ensure they will not introduce secondary pollution while removing contaminants, fully adapting to ISO-classified cleanroom environmental requirements.
2. Select According to Cleanroom Cleanliness Grade
Cleanrooms with different ISO cleanliness standards have distinct requirements for mat purity, tackiness, and dust filtration precision, which is the primary basis for selection.
ISO 7–ISO 8 General Cleanrooms
Suitable for ordinary electronic workshops, packaging workshops, and general laboratory environments. Standard 30-layer PE sticky mats with medium tack are sufficient. They balance dust removal performance and cost-effectiveness, meeting daily low-to-medium particle pollution control needs without excessive adhesion that causes shoe sticking issues.
ISO 5–ISO 6 High-Precision Cleanrooms
Applied in semiconductor manufacturing, pharmaceutical production, and sterile medical workshops. It is recommended to choose high-purity 60-layer PE sticky mats with high tack. These mats feature uniform adhesive coating, ultra-low volatile content, and excellent capture capacity for micro dust below 0.3μm, strictly meeting high-standard anti-pollution requirements.
Ultra-Clean Controlled Environments
For ultra-clean laboratories and precision instrument processing rooms with extremely strict particle control, select food-grade and dust-free workshop certified PE sticky mats with no residual glue, no odor, and zero shedding.
3. Match Specifications Based on On-Site Traffic Volume
Foot traffic and equipment rolling frequency directly determine the mat’s service life and replacement cycle, which affects daily operation costs and cleanliness stability.
Low-Traffic Scenarios (≤50 people/day)
Applicable to small independent laboratories and private cleanrooms with low access frequency. A standard 30-layer mat is ideal. It can be used continuously for 1–2 weeks with daily layer peeling, reducing unnecessary waste while maintaining stable dust removal effect.
Medium-Traffic Scenarios (50–200 people/day)
Suitable for conventional production cleanrooms with stable staff flow. You can choose a 60-layer single mat or adopt double-mat end-to-end placement. The increased layer count extends the replacement cycle, avoiding frequent mat changes that disrupt production efficiency.
High-Traffic Scenarios (≥200 people/day)
For large-scale factory cleanroom entrances and personnel intensive transition zones, prioritize 60-layer heavy-duty PE sticky mats and formulate a fixed hourly replacement inspection mechanism. For areas with frequent trolley and equipment rolling, select rolling-resistant high-tack mats to ensure effective particle capture from wheel surfaces.
4. Key Technical Indicators for Quality Screening
The quality difference of PE sticky mats lies in material craftsmanship and parameter stability. Focus on the following four core indicators to avoid inferior products.
Adhesive Strength (Tack Level)
Tackiness is divided into low, medium, and high grades. Low-tack mats are suitable for wheeled equipment and light dust environments, preventing wheel slipping and residual glue. Medium-tack mats are universal for most foot traffic scenarios. High-tack mats are used for heavy dust and high-traffic areas with strong particle capture ability. Qualified mats feature uniform adhesion without local excessive stickiness or weak viscosity.
Layer Quantity and Peeling Performance
Common mainstream specifications are 30 layers and 60 layers. High-quality mats adopt a professional layered isolation process, with clear interlayer separation. They can be peeled off completely in one piece without layer sticking, residual glue, or film tearing, greatly improving daily maintenance efficiency. Inferior mats are prone to interlayer adhesion and incomplete peeling, causing secondary pollution.
PE Film Thickness and Durability
Premium LDPE raw materials ensure uniform film thickness, flat surface, and good tensile resistance. The mat will not wrinkle, crack, or deform under frequent stepping and rolling. Thin and inferior films are easy to break, leading to dust leakage and floor adhesion failure.
Size Matching
Common standard sizes include 600×900mm, 600×1200mm, and 900×1200mm. The core selection principle is full doorway coverage: the mat width must completely cover the passage width to prevent personnel and equipment from bypassing the mat and bringing in pollutants. For wide entrances, spliced double mats are recommended to achieve full coverage.
5. Scenario-Based Selection Avoidance Guide
Personnel Passage Entrances
Prioritize medium-tack standard mats with moderate thickness. Excessively high viscosity will affect walking comfort, while low viscosity fails to remove sole dust effectively.
Equipment and Trolley Passage
Choose low-to-medium tack, thickened wear-resistant PE sticky mats. High tack will increase rolling resistance and cause wheel glue residue, damaging equipment and polluting the floor.
Humid Workshop Environments
Select waterproof and moisture-proof enhanced mats with strong bottom adhesion. Ordinary mats are prone to edge warping and floor peeling in humid conditions, losing dust control function.
Post time: Oct-26-2026