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[China]
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Address: F4, Building#1, Shijihuayuan, Dagang, Binhai New Area, Tianjin, China 300270
Contact name:SAM BIN
MKarte Material Technology (Tianjin) Limited |
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Polycarbonate PC Uncoated Overlay Specially Designed for Laser
Engraving Feature on Card Surface
1.Polycarbonate PC Uncoated Overlay for Laser Engraving -
Introduction
Brief Introduction:
Polycarbonate PC Uncoated Overlay is specially designed for laser engraving feature on card surface. After lamination, it can leave clear and neat laser marks on card surface. Comparing with other types of plastic films for card body production, it excels in outstanding optical clarity, printability, impact strength and dimensional stability.
Characteristics:
● Work well at high temperature,no color change with fluorescent ink.
● Abrasion resistant , prolong the life of cards.
● Environment friendly, no solvent or gas discharged.
| Technical parameters | |||
| Item | Standard Value | ||
Thickness (mm) | 0.04-0.1 ( ±5%) | ||
| Surface | Matt/Matt, flat, no defect, no dust. | ||
| Tensile Strength (Mpa) -ISO527-3 | ≧50(MD/CD) | ||
| Break Strength (%) -ISO527-3 | ≧60(MD/CD) | ||
Folding Capacity | Thickness <0.25mm, ≧13 | ||
| Thickness ≧0.25mm,≧11 | |||
| Light Transmittance (%) | ≧80 | ||
| Haze (%) | ≦ 90 | ||
| Surface Tension(Dynes/cm) -ISO 8296-2003 | ≧34 | ||
Heating Shrinkage (%) (135℃±2,10min) | Thickness≤ 0.175mm | MD | ≦2.5 |
| CD | ≦0.5 | ||
| Vicat Softening Temperature(℃) - ISO 306-1994 | 150±3 | ||
| Coating availability | No coatings on both sides | ||
2.Polycarbonate PC Uncoated Overlay for Laser Engraving - Parameters
1). Size: in sheet or reel, A4, A3 or as per customer requirements
2). Normal thickness in mm: 0.04,0.05,0.06,0.08,0.10
3). Color: transparent without coating on surface.
4). Package method: in reel or 500 sheets per bag/4 bags per paper
carton, or as per customer requirements.
5). Storage condition: Sealed, moisture-proof, room temperature
under 40℃, Keep it horizontally, avoid heavy pressing and direct
sunlight.
6). Laser engraving performance: can be laser engraved.
| Item | Specification | Test Method | |
| Thickness | 40-100um | ||
| Thickness tolerance | ＞0.5±6um ≤0.5±4um | ||
| Density | 1.2±0.05 g/cm3 | ASTM D792 | |
| Surface tension(front) | ≥34Dynes/cm | ASTM D1922 | |
| Surface tension(back) | ≥34Dynes/cm | ASTM D1922 | |
Heating Shrinkage (%) (135℃±2,10min) | Thickness≤ 0.175mm | MD | ≦2.5 |
| CD | ≦0.5 | ||
| Vicat | 150±20C | ASTM D1525 | |
| Tensile strength | ≥50 N/mm2 | ISO527-3 | |
| Surface roughness | 0.5um-1.8um | ||
3.Polycarbonate PC Uncoated Overlay for Laser Engraving - Application
Polycarbonate film could be lasering and customization, excels in outstanding optical clarity, printability,
impact strength, and dimensional stability when compared with other
types of plastic films.
such as identity card,driving card, passport etc.
| Item | Parameters | |
| Vicat (℃) | 150±2 | |
| Shrinkage | MD/TD | ＜1.0 |
| Tensile Strength (MPa) | MD | ≥50 |
| TD | ≥50 | |
| Roughness(μm) | Ra | 0.58, 1.5-2.1 |
| Ra | 3.45 | |
| Thickness(mm) | 0.04-0.1 | |
◆Laminating Condition:
| Laminating Unit | Temp(℃) | Pressure(MPa) | Time (min) |
| Heat Laminating | 140~155 | ≥6 | 25 |
| Cool Laminating | ≤25 | ≥6 | 15 |
4.Polycarbonate PC Uncoated Overlay for Laser Engraving - Packing
◆Packing:
Outer:Carton Inner:PE bag
◆Storage:
Keep package sealed and moisture-proof, room temperature under 40℃
Keep horizontally, avoid oppress heavily and direct sun light.
Stacking height should not exceed one meter.
Shelf life: Two year.
Storage conditions:
Ideal storage conditions under 40℃, Ideal RH 40%. Should not be stored in direct sunlight and avoid major thermal fluctuation, store in original packing. Film should be conditioned a minimum of 24 hours at ambient room temperature.
Recommended use of material within one year of production date.
