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Mylar® LBT2 is an uncoated, transparent, exceptionally strong film used as a substrate for laminating and extrusion coating and as a component of packaging structures requiring strength, high temperature performance and good machinability. It is corona treated on both sides for improved bonding of inks and adhesives. Mylar® LBT2 is commercially available in nominal 48 gauge.
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Mylar® LBT2 can be readily printed with appropriately formulated commercial inks. Consideration should be given in film handling and final package design to the increased susceptibility of the two contacting corona treated surfaces to blocking, particularly in the presence of moisture.
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| Available Thickness [Gauge] |
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48
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| Property |
Thickness |
Value |
Units |
Test |
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BARRIER
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| Gas Permeability - O2, 24 hr |
48 |
9 |
cc/100 in² |
ASTM D3985 22ºC/75% RH/1 ATM |
| WVTR |
48 |
2.8 |
g/100 in²/day |
ASTM F1249 38°C, 90% RH |
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OPTICAL
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| Clarity |
48 |
75 |
% |
D1746-70 |
| Haze |
48 |
5.0 |
% |
ASTM D1003 |
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PHYSICAL
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| Elongation at Break MD |
48 |
110 |
% |
ASTM D1003 |
| Elongation at Break TD |
48 |
80 |
% |
ASTM D882A |
| Modulus |
48 |
500,000 |
psi |
ASTM D822A |
| Tear (Graves) |
48 |
0.7 |
lb |
ASTM D1004 |
| Tensile Strength MD (break) |
48 |
27,000 |
psi |
ASTM D882A |
| Tensile Strength TD (break) |
48 |
35,000 |
psi |
ASTM D882A |
| Unit Weight |
48 |
10.4 |
lb/ream |
ASTM E252 (0.5 m²) |
| Yield (nominal) |
48 |
41,600 |
in²/lb |
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THERMAL
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| Shrinkage MD (150°C) |
48 |
2.2 |
% |
Unrestrained @ 150°C/30 min |
| Shrinkage TD (150°C) |
48 |
1.3 |
% |
Unrestrained @ 150°C/30 min |
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DuPont Teijin Films U.S. Limited Partnership
3600 Discovery Drive
Chester, VA 23836 USA
Tel: (800) 635-4639
Fax: (804) 530-9867
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Note: These values are typical performance data for DuPont Teijin Films' polyester film; they are not intended to be used as design data. We believe this information is the best currently available on the subject. It is offered as a possible helpful suggestion in experimentation you may care to undertake along these lines. It is subject to revision as additional knowledge and experience is gained. DuPont Teijin Films makes no guarantee of results and assumes no obligation or liability whatsoever in connection with this information. This publication is not a license to operate under, or intended to suggest infringement of, any existing patents.
CAUTION: Do not use in medical applications involving permanent implantation in the human body (DuPont Teijin Films Medical Policy). For other medical applications, see the Medical Caution Statement. DuPont Teijin Films accepts no liability for use of it's products in medical applications not reviewed and approved by DuPont Teijin Films or for product misuse. DuPont Teijin Films supplies products to an agreed specification and does not manufacture products designed specifically for medical end use.
Melinex®, Mylar® and Melinex® STTM are registered trademarks of DuPont Teijin Films U.S. Limited Partnership.
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