Antifog Film Heat Sealable
HST-2(AF)
Structure
Treated, printable HS OPP layer
Modified OPP layer
Treated, Antifogging HS OPP layer
Description
It is a co-extruded, both sides heat sealable and both sides treated Bi-axially Oriented Polypropylene film
Features
- Excellent machinability and optics
- Good ink adhesion
- Excellent cold and hot antifogging effect on one side and printability on other side
- High heat seal strength
- High hot tack strength
- Low seal initiation temperature
Applications
- Packaging of fresh cut vegetables, salad and meat
- flower wrapping
Typical values
| Properties | Ref. | Units | ASTM#/ Test Method | HST-2(AF) |
|---|
| Physical Data | ||||||||||
| Average Thickness | Micron | D-374-C | 20 | 25 | 28 | 30 | 35 | 40 | 50 | |
| Gauge | 80 | 100 | 112 | 120 | 140 | 160 | 200 | |||
| Mils | 0.8 | 1.0 | 1.10 | 1.2 | 1.4 | 1.6 | 2.0 | |||
| Thickness Variation | %(±) | 3 | ||||||||
| Density | g/cc | 0.905 | ||||||||
| Average substance | g/m² | 18.1 | 22.6 | 25.34 | 27.1 | 31.6 | 36.2 | 45.25 | ||
| Surface Tension(min) | Both Side | dynes/cm | D-2578 | 38 | ||||||
| Kinetic COF | AF Side | D-1894 | 0.20-0.30 | |||||||
| Yield | m²/Kg | D-4321 | 55.2 | 44.2 | 39.46 | 36.9 | 31.6 | 27.6 | 22.0 | |
| in²/lb | 38844 | 31109 | 27743 | 25944 | 22249 | 19422 | 15467 | |||
| Optical Data | ||||||||||
| Gloss (45⁰) | Gardner | D-2457 | >86 | |||||||
| Haze | % | D-1003 | 2.0-3.5 | |||||||
| Mechanical Data | ||||||||||
| Tensile Strength | MD | kg/cm² | D-882 | 1200-1400 | ||||||
| TD | 2400-3000 | |||||||||
| Elongation | MD | % | D-882 | 150-230 | ||||||
| TD | 40-80 | |||||||||
| Thermal Data | ||||||||||
| Seal Initiation Temp. | AF | °C/°F | CTM | 115 | ||||||
| CTM | 239 | |||||||||
| Shrinkage (120⁰C/248 ⁰F,5 min) | MD | % | D-1204 | 3.0-4.0 | ||||||
| TD | 0.5-2.0 | |||||||||
| Heat Seal Strength (min.) | A-A | >600 | >650 | >700 | >700 | >800 | >850 | >850 | ||
| Hot Tack | g/²5 mm | ASTM F-1921 | 200 | 250 | 300 | 300 | 400 | 400 | 400 | |
| SIT Variation (±) | °C/°F | CTM | 3 | |||||||
| Barrier Data | ||||||||||
| MVTR (38⁰C, 90% RH) | g/m²/day | F-1249 | <5.8 | <4.5 | <4.5 | <4.0 | <3.5 | <3.0 | <3.0 | |
| MVTR (100 °F,90%RH) | g/100 in²/day | F-1249 | <0.37 | <0.29 | <0.29 | <0.25 | <0.22 | <0.19 | <0.19 | |
| CTM : Cosmo Test Method | MD : Machine Direction | TD : Transverse Direction | AF: Antifog |
| 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 : Storage temperature to be maintained 25 Deg.C (+/-5 Deg C) & relative humidity 55% (+/-5%) to avoid accelerated reduction of surface treatment level. | |||
| Note : Seal initial temp for antifog side | |||
Updation Date : 2025-Sep-22