Description
Size specification classification display
| parameter | Specifications/Performance | illustrate |
| Fundamental Information | ||
| Product Name | KUNLIN Premium Paint Protection Film | – |
| Material | Thermoplastic Polyurethane (TPU) | Premium, long-lasting polymer |
| Dimensions | ||
| Standard thickness | 7.5 mil | Also available in 6.5 mil, 8.5mil, and 9.5 mil. |
| Width range | 0.1 m – 2.0 m | Can be tailored in increments of 0.01m. |
| Length range | 0.1 m – 50 m | Can be tailored in increments of 0.01m. |
| Physical characteristics | ||
| Tensile Strength | >45 MPa | ASTM D412 Testing Method |
| Elongation at fracture | >400% | ASTM D412 Testing Method |
| Adhesive strength | >15 N/cm | For metallic substrates |
| Optical efficacy | ||
| Light transmittance | >90% | ASTM D1003 Testing Method |
| Haze | <3% | ASTM D1003 Testing Method |
| Yellowing Index | <1.5 | ASTM E313 Testing Method |
| Chemical characteristics | ||
| Acid resistance | excellent | Tolerant to solutions with a pH range of 3 to 11 |
| Solvent resilience | good | Resistant to the majority of standard cleaning agents and solvents. |
| Oil resistance | excellent | Resists the penetration of oil and fuel. |
| Environmental efficacy | ||
| Weather resilience | >5 years | QUV Accelerated Weathering Assessment |
| Temperature spectrum | -40°C to +90°C | Maintain stability in physical properties. |
| UV-resistant | excellent | Incorporate UV absorbers to mitigate material degradation. |
| Self-regenerative attributes | ||
| Self-healing temperature spectrum | 20°C – 70°C | The optimal self-healing temperature is 35°C. |
| Self-recovery duration | 15-30 minutes | At the optimal temperature, minor abrasions |
| Installation Efficiency | ||
| Base viscosity | medium | Facilitates repositioning to guarantee accurate installation. |
| Comprehensive bonding period | 24-48 hours | At ambient temperature |
| Repeatability | yes | Reinstallable within six months of installation. |
| Additional Features | ||
| Hydrophobicity | Contact angle exceeding 95° | Delivers exceptional drainage efficiency. |
| Abrasion resistance | Taber wear <3% | After 1,000 cycles (CS-10 wheel, 1 kg load) |
| Antifouling | excellent | Prevents typical stains, including resin, insect marks, and others. |
| Environmental accreditation | ||
| VOC Concentration | <50 g/L | Complies with rigorous environmental standards |
| Recyclability | 100% recyclable | Adhere to the principles of a circular economy. |
| Warranty | ||
| Product Warranty Duration | 10 years | For issues such as material fracturing, delamination, and discoloration. |
Application: automotive, medical, or related high-value field.
| Basic attributes | Test Methods | Specification Standard | Unit | T6.5mil | T7.5mil | T8.5mil | T9.5mil | B7.5mil |
| Color | Visual inspection | Colorless and transparent | / | Colorless and transparent | Colorless and transparent | Colorless and transparent | Colorless and transparent | Black transparent |
| Upper PET protective film thickness | G8/T6672-2001 | 50±2 | μm | 52 | 52 | 51 | 52 | 52 |
| Lower layer PET protective film thickness | G8/T6672-2001 | 85±3 | μm | 87 | 87 | 88 | 88 | 87 |
| Total thickness of finished film | G8/T6672-2001 | ±5% | μm | 165 | 178 | 188 | 200 | 189 |
| Gloss | Gloss Meter@60° | ≥90 | / | 91 | 90.1 | 92.8 | 95 | 90.2 |
| Haze | GB/T2410-2008 | ≤0.8 | / | 0.56 | 0.63 | 0.65 | 0.5 | 0.62 |
| Visible light transmittance | G8/7258-2017-11.5.7 | ≥80 | / | 90.1 | 90.2 | 89.1 | 88.8 | 90.3 |
| UV blocking | LS182 detector | >90 | / | 97.3 | 96.9 | 98.2 | 97.3 | 94 |
| QUV aging resistance 1000h | ASTM G154-16 Cycle 1 | △E*ab<2 | / | 0.22 | / | 0.22 | 0.14 | / |
| Hydrophilic | Marker stroke line | hydrophobic/hydrophilic | / | hydrophobic | Hydrophilic | hydrophobic | Hydrophilic | Hydrophilic |
| Surface anti-penetration performance | MG-2110 marker pen,Wipe with alcohol after 10s | slight/no trace | / | slight trace | little trace | slight trace | slight trace | little trace |
| Thermal self-healing | Brass brush 10 times,50-70℃ hot water for 1 minute | 100% self-healing | / | 100% self-healing | 100% self-healing | 100% self-healing | 100% self-healing | 100% self-healing |
| Acrylic adhesive peel force / 20min | GB/T2792 | >600 | gf/inch | 1185 | 1632 | 1565 | 1505 | 1424 |
| Acrylic adhesive peel force / 24h | GB/T2792 | >1000 | gf/inch | 1801 | 2152 | 2086 | 2006 | 1914 |
| Tear strength | GB/T529 | ≥40 | KN/m | 64.2 | 69.5 | 74.4 | 73.7 | 68.1 |
| Coating elongation at break | GB/T1040.1 | >80 | % | 115 | 121 | 119 | 114 | 325 |
| Tensile Strength | GB/T1040.1 | >15 | MPa | 22.4 | 29.5 | 24.2 | 24.2 | 28.2 |
| PPF elongation at break | GB/T1040.1 | >200 | % | 342 | 420.8 | 369 | 383.3 | 436.5 |
| 100% modulus | GB/T1040.1 | >6 | MPa | 8.6 | 8.7 | 8.7 | 8.9 | 8.9 |
| Note: Total thickness of finished film is the sum of TU thickness, coating and adhesive layer thickness. | ||||||||
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