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| Adhesive Type | Core advantages | Technical specifications | Typical Application Scenarios |
| Marine Waterproof Glue I（NQF） | Extreme environmental weather resistance • High-strength bonding • Stress-crack resistance | Boiling test: No delamination after ≥72 hours Glue line color: Dark/black MOE rating: Highest grade | Outdoor heavy-duty panels • Building structural components • Moisture/temperature-sensitive areas (e.g., terraces, exterior walls) |
| Ⅱ（Ns）Glue | Marine-grade waterproofing • Transparent aesthetic glue line • Salt spray corrosion resistance | Boiling test: No delamination after ≥24 hours Glue line color: Transparent MOR rating: Excellent grade | Ship interiors/decks • Port facilities • Offshore engineering • High-humidity outdoor scenarios (e.g., pool surroundings) |
| Moisture-Resistant Glue Ⅲ（Nc）Glue | Medium-humidity adaptation • Cost-effective • Basic moisture resistance | Boiling test: No delamination after 3–4 hours Glue line color: Transparent Formaldehyde emission: Not declared | Indoor damp areas (kitchens, bathrooms) • Non-long-term immersion scenarios • Low-cost furniture manufacturing |
| Isocyanate Glue (MDI) | Formaldehyde-free • TVOC-free • Low odor • High internal bonding strength | Glue line color: Transparent Formaldehyde emission: ≤0.016mg/m³ Thickness swelling after 24-hour water absorption: ≤1.6% | High-end interior decoration • Children’s rooms/medical spaces • Environmentally certified projects (e.g., CARB NAF) |
| ENF Glue | Formaldehyde emission ≤0.025mg/m³ (only half of the E0 grade limit, ≤0.050mg/m³) – internationally top-tier standard | Glue line color: Transparent Bonding strength ≥1.45MPa | Formaldehyde-sensitive environments (e.g., early education centers, children’s rooms, nursing homes) • Custom indoor furniture |
| E0-Grade Glue | Ultra-low formaldehyde • Long-term indoor safety • Environmental compliance | Formaldehyde emission ≤0.05mg/m³ Glue line color: Transparent Bonding strength ≥1.0MPa | Residential/commercial spaces • General indoor applications requiring low formaldehyde emission |
