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Melinex® 342 is a two-side heat-sealable, clear polyester film which is ideal in specialty card laminate applications. This film can be heat sealed to itself and other polyesters, as well as a variety of substrates including some grades of paper, PVC, and Teslin®. Melinex® 342 film is currently available in thicknesses of 300, 400, and 600 gauge.
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| Available Thickness [Gauge] |
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300; 400; 600
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| Property |
Thickness |
Value |
Units |
Test |
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OPTICAL
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| Total Light Transmission (TLT) |
300 |
90.0 |
% |
ASTM D1003-77 (Gardner Haze) |
| Total Light Transmission (TLT) |
400 |
87.0 |
% |
ASTM D1003-77 (Gardner Haze) |
| Total Light Transmission (TLT) |
600 |
86.0 |
% |
ASTM D1003-77 (Gardner Haze) |
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|
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PHYSICAL
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| C.O.F. (dynamic) A-B |
|
0.9 |
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ASTM D1894 |
| Density |
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1.40 |
g/cc |
ASTM D1505 |
| Elongation at Break MD |
|
180 |
% |
ASTM D882A |
| Elongation at Break TD |
|
130 |
% |
ASTM D882A |
| Tensile Strength MD |
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24,000 |
psi |
ASTM D882A |
| Tensile Strength TD |
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24,000 |
psi |
ASTM D882A |
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THERMAL
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| Heat Seal Strength (HS/HS) |
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1500 |
g/inch |
DuPont 275℉, 40 PSI, 2 sec. |
| Heat Seal Temp. Range |
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275-375 |
°F |
1 sec. @ 40 PSI |
| Shrinkage MD (190℃) |
|
2.0 |
% |
Unrestrained @ 190℃/5 min |
| Shrinkage TD (190℃) |
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2.0 |
% |
Unrestrained @ 190℃/5 min |
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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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