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Automotive
Crown Plastics is quickly becoming a major player in supplying the automotive
industry with buzz, squeak and rattle (BSR) noise reduction tapes. This
is one of the fastest growing areas in the auto industry and Crown's quality,
service and options of materials are getting noticed by many of the OEM
suppliers. Crown has been working closely with Avery Dennison Specialty
Tapes. Avery has developed several adhesive systems that meet and exceed
the high demands of the automotive industry. Listed below are test results
and the different specs designed for BSR tapes.
GM9985804
ADHESIVE
PROPERTIES |
SECTION
|
DESCRIPTION
|
REQUIREMENT
|
AVERY 1122
|
AVERY 1143
|
AVERY 1148
|
| 3.7
|
Adhesion
Performance |
|
|
|
|
| 3.7.1
|
Peel Adhesion
72 hrs. |
350 N/m
|
695
|
1138
|
630
|
| 3.8
|
Environmental
Exposures |
|
|
|
|
| 3.8.1
|
Humid Aging
38C/100RH |
350 N/m
|
355
|
686
|
2800
|
| 3.8.2
|
Humid Aging
93C/168hrs |
350 N/m
|
1477
|
1792
|
2065
|
| 3.8.3
|
Cycle Test
GM9505 Cycle F |
350 N/m
|
805
|
997
|
1922
|
|
| FILM
PROPERTIES |
SECTION
|
DESCRIPTION
|
REQUIREMENT
|
.005
|
.010
|
| 3.1
|
Physical
Properties |
|
|
|
| 3.1.1
|
Color
|
Clear Transparent
|
Pass
|
Pass
|
| 3.1.2
|
Film Thickness
|
.13mm/.25mm
|
.13mm
|
.25mm
|
| 3.3
|
Film Performance
|
|
|
|
| 3.3.1
|
Tensile Strength
|
3.5 kN/m
|
5.16 kN/m
|
13.4 kN/m
|
| 3.3.2
|
Tensile Strength
After Heat Aging |
168h at 93C
|
5.30 kN/m
|
14.2 kN/m
|
| 3.4
|
Elongation
|
|
|
|
| 3.4.1
|
Elongation
After Heat Aging |
50% min
|
359
|
412
|
| 3.6
|
Coefficient
of Kinetic Friction to Steel |
0.20 Max
|
0.17
|
0.19
|
| 3.7
|
Shelf Life
|
90 Days at
50C |
Pass
|
Pass
|
|
|
|
