BOPET Transparent Heat sealable Film
HSF-1
Structure
Corona Treated Skin Layer
Core Layer
Heat Sealable Layer
Description
HSF-1 is a co-extruded BOPET film. The film is one side Heat Sealable and other side low corona treated.
Features
- High clarity
- Excellent machinability & handling properties
- Seals to itself, APET, CPET, & PVDC
- Does not seal against PE, PP, or PS
Applications
- Tack seal application
- Food tray sealing
Typical values
| Properties | Ref. | Units | ASTM#/ Test Method | HSF-1 |
|---|
| Physical Data | ||||
| Average Thickness | Micron | 12 | ||
| Gauge | 48 | |||
| Mils | 0.5 | |||
| Density | g/cc | 1.4 | ||
| Average substance | g/m² | 16.80 | ||
| Yield | m²/Kg | D-4321 | 59.52 | |
| in²/lb | 41846 | |||
| Surface Tension(min) | B1 | dynes/cm | D-2578 | 48-52 |
| Kinetic COF | A/B | D-1894 | 0.50 | |
| Optical Data | ||||
| Haze | % | D-1003 | 4.0 | |
| Mechanical Data | ||||
| Tensile Strength | MD | kg/cm² | D-882 | 1700 |
| TD | 1900 | |||
| Elongation | MD | % | D-882 | 100 |
| TD | 80 | |||
| Thermal Data | ||||
| Linear Shrinkage (Max.) (150°C/302°F, 30 min.) | MD | % | D-1204 | 2.8 |
| TD | 0.8 | |||
| Heat Seal Temperature Range(@ 1 sec, 2.8 bar) | HS Side | °C | CTM | 100 - 180 |
| Heat Seal Strength (@120°C, 1 sec, 2.8 bar) | HS Side | g/Inch | D-882 | 400 |
| Barrier Data | ||||
| MVTR (38⁰C, 90% RH) | g/m²/day | F-1249 | 45 | |
| MVTR (100 °F,90%RH) | g/100 in²/day | F-1249 | 2.9 | |
| OTR (23⁰C, 0% RH) | cc/m²/day | D-3985 | 130 | |
| OTR (73⁰F, 0% RH) | cc/100 in²/day | D-3985 | 8.5 | |
| CTM : Cosmo Test Method | MD : Machine Direction | TD : Transverse Direction | HS : Heat sealable | B0: Untreated |
| Disclaimer : The information provided above is based on COSMO FILMS LTD's conclusive tests, which are indicative only and provided as guidelines.They do not constitute a guarantee of any specific product attributes or the suitability of products for specific applications | ||||
| Storage condition : PET film needs to be stored in a warehouse below 35C (95F) and should not e exposed to direct sunlight, sources or high humidity. If the material is stored in the recommended conditions PET is suitable for use within 9 months from the date of dispatch | ||||
Updation Date : 2026-Apr-17