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Mylar® LBTW is an uncoated, transparent polyeser film that has been corona treated on one side to provide superior wetting and adhesion of inks, primers and adhesives. Mylar® LBTW is commercially available in nominal 48, 75 and 92 gauges. Other gauges may be available upon request. Mylar® LBTW is wound inverted with the corona-treated side facing the outside of the roll.
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In addition to the enhanced wettability offered to inks, primers, adhesives and coatings, Mylar® LBTW offers all of the properties attributed to Mylar® LB, including high levels of strength, temperature resistance and flavor and odor barriers. Its sparkling clarity and insensitivity to humidity make Mylar® LBTW a preferred print carrier.
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Mylar® LBTW typically is used as the reverse printed outer ply of a lamination with inner plies providing additional oxygen barrier if needed, as well as heat sealability. The availability of the two-side corona-treated Mylar® LBT2 permits use where the ply will be buried inside a lamination with bonding to both surfaces or where the exposed outer surface will subsequently receive surface printing, code dating or some for of package lot identification.
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Food Contact Status -
Please contact your Mylar® Specialty Films representative to receive the Regulatory Compliance documents
UL Recognition -
Product has been registered with Underwriters Laboratories.
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Dispose of in compliance with federal, state and local regulations. Preferred options for disposal are (1) recycling, (2) incineration with energy recovery and (3) landfill. The high fuel value of this product makes option No. 2 very desirable for material that cannot be recycled.
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| Available Thickness [Gauge] |
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48; 75; 92
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| Property |
Thickness |
Value |
Units |
Test |
|
BARRIER
|
| Gas Permeability - O2, 24 hr |
48 |
9 |
cc/100 in² |
ASTM D3985 22℃/75% RH/1 ATM |
| Gas Permeability - O2, 24 hr |
75 |
7 |
cc/100 in² |
ASTM D3985 22℃/75% RH/1 ATM |
| Gas Permeability - O2, 24 hr |
92 |
5 |
cc/100 in² |
ASTM D3985 22℃/75% RH/1 ATM |
| WVTR |
48 |
2.8 |
g/100 in²/day |
ASTM F1249 38℃, 90% RH |
| WVTR |
75 |
1.9 |
g/100 in²/day |
ASTM F1249 38℃, 90% RH |
| WVTR |
92 |
1.3 |
g/100 in²/day |
ASTM F1249 38℃, 90% RH |
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OPTICAL
|
| Clarity |
48 |
76 |
% |
ASTM D1746 |
| Clarity |
75 |
73 |
% |
ASTM D1746 |
| Clarity |
92 |
70 |
% |
ASTM D1746 |
| Haze |
48 |
4.5 |
% |
ASTM D1003 |
| Haze |
75 |
6.5 |
% |
ASTM D1003 |
| Haze |
92 |
9.0 |
% |
ASTM D1003 |
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PHYSICAL
|
| Elongation at Break MD |
48 |
110 |
% |
ASTM D882A |
| Elongation at Break MD |
75 |
130 |
% |
ASTM D882A |
| Elongation at Break MD |
92 |
140 |
% |
ASTM D882A |
| Elongation at Break TD |
48 |
80 |
% |
ASTM D882A |
| Elongation at Break TD |
75 |
100 |
% |
ASTM D882A |
| Elongation at Break TD |
92 |
80 |
% |
ASTM D882A |
| Modulus |
48 - 92 |
550 |
kpsi |
ASTM D822 |
| Tear (Graves) |
48 |
0.7 |
lb |
ASTM D1004 |
| Tear (Graves) |
75 |
0.9 |
lb |
ASTM D1004 |
| Tear (Graves) |
92 |
1.1 |
lb |
ASTM D1004 |
| Tensile Strength MD (break) |
48 |
27 |
kpsi |
ASTM D882A |
| Tensile Strength MD (break) |
75 |
29 |
kpsi |
ASTM D882A |
| Tensile Strength MD (break) |
92 |
27 |
kpsi |
ASTM D882A |
| Tensile Strength TD (break) |
48 |
34 |
kpsi |
ASTM D882A |
| Tensile Strength TD (break) |
75 |
35 |
kpsi |
ASTM D882A |
| Tensile Strength TD (break) |
92 |
40 |
kpsi |
ASTM D882A |
| Unit Weight |
48 |
10.4 |
in²/lb |
ASTM E252 (0.5 m2) |
| Unit Weight |
75 |
16.2 |
in²/lb |
ASTM E252 (0.5 m2) |
| Unit Weight |
92 |
19.7 |
in²/lb |
ASTM E252 (0.5 m2) |
| Yield (nominal) |
48 |
41,700 |
in²/lb |
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| Yield (nominal) |
75 |
26,700 |
in²/lb |
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| Yield (nominal) |
92 |
22,000 |
in²/lb |
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THERMAL
|
| Shrinkage MD (150℃) |
48 |
2.2 |
% |
Unrestrained @ 150℃/30 min |
| Shrinkage MD (150℃) |
75 |
2.2 |
% |
Unrestrained @ 150℃/30 min |
| Shrinkage MD (150℃) |
92 |
1.6 |
% |
Unrestrained @ 150℃/30 min |
| Shrinkage TD (150℃) |
48 |
1.3 |
% |
Unrestrained @ 150℃/30 min |
| Shrinkage TD (150℃) |
75 |
1.1 |
% |
Unrestrained @ 150℃/30 min |
| Shrinkage TD (150℃) |
92 |
1.6 |
% |
Unrestrained @ 150℃/30 min |
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| Core I.D. (Inches) |
Roll O.D. (Inches) |
Thickness (Gauge) |
Length (Feet) |
| 3 |
9 1/2 ± 1/4 |
48 |
10,600 |
| 3 |
9 1/2 ± 1/4 |
75 |
6,800 |
| 3 |
9 1/2 ± 1/4 |
92 |
5,600 |
| 3 |
13 ± 1/4 |
48 |
21,300 |
| 3 |
13 ± 1/4 |
75 |
13,600 |
| 3 |
13 ± 1/4 |
92 |
11,200 |
| 3 |
18 ± 1/4 |
48 |
42,400 |
| 3 |
18 ± 1/4 |
75 |
27,200 |
| 3 |
18 ± 1/4 |
92 |
22,300 |
| 6 |
11 ± 1/4 |
48 |
10,600 |
| 6 |
11 ± 1/4 |
75 |
6,800 |
| 6 |
11 ± 1/4 |
92 |
5,600 |
| 6 |
14 ± 1/4 |
48 |
20,800 |
| 6 |
14 ± 1/4 |
75 |
13,400 |
| 6 |
14 ± 1/4 |
92 |
11,000 |
| 6 |
18 ± 1/4 |
48 |
38,300 |
| 6 |
18 ± 1/4 |
75 |
24,500 |
| 6 |
18 ± 1/4 |
92 |
20,200 |
| 6 |
22 1/2 ± 1/4 |
48 |
63,100 |
| 6 |
22 1/2 ± 1/4 |
75 |
40,400 |
| 6 |
22 1/2 ± 1/4 |
92 |
33,200 |
| 6 |
24 ± 1/4 |
48 |
72,600 |
| 6 |
24 ± 1/4 |
75 |
46,500 |
| 6 |
24 ± 1/4 |
92 |
38,200 |
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Mylar® Specialty Films U.S. Limited Partnership
3600 Discovery Drive
Chester, VA 23836-6436 USA
Tel: (800) 635-4639
Fax: (804) 530-9867
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Note: These values are typical performance data for Mylar® Specialty 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. Mylar® Specialty 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 (Mylar® Specialty Films Medical Policy). For other medical applications, see the Medical Caution Statement. Mylar® Specialty Films accepts no liability for use of it's products in medical applications not reviewed and approved by Mylar® Specialty Films or for product misuse. Mylar® Specialty 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 Mylar® Specialty Films U.S. Limited Partnership.
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