4550
UV RESISTANT HIGH GLOSS SHEET FOR THERMOFORMING
Boltaron® 4550 sheet, capped with a clear UV resistant Korad® acrylic film, offers long term durability and appearance for applications that see prolonged sun exposure. Its flammability ratings also make it suitable for formed and fabricated housings for outdoor electrical equipment and RV air conditioners.
Characteristics
- High gloss acrylic film
- Excellent UV resistance
- High impact
- Abrasion and chemical resistance
- Thermoformable
Uses
- Equipment housings
- Medical products
- Kiosk housings
- Radomes
Performance Details
Properties
- Name Test Method Imperial Metric
- Specific Gravity ASTM D792 1.415
- Tensile Strength ASTM D638 5,400 - 5,400 psi 34.4 - 37.23 MPa
- Flexural Strength ASTM D790 8,600 - 9,200 psi 59.29 - 63.43 MPa
- Flexural Modulus ASTM D790 300,000 - 330,000 psi 2,068 - 2,275 MPa
- Izod Impact Notched ASTM D256 73°F 15-18 ft-lb/in 23°C 801-961 J/m
- Hardness Rockwell ASTM D785 108 - 110
- Heat Deflection Annealed ASTM D648 161 - 163°F @ 264 PSI 72 - 73°C @1.8 MPa
- UL 94 V-0 @ 0.118 in. (3.0mm) min. gauge
- Radiant Panel Flame Spread Index ASTM E162 @ 0.125 in. (3.18mm) gauge <10
- Forming Temperature 335 - 370°F 168 - 188°C
- QUV Accelerated Weathering (ASTM G154 cycle 1/D4329 cycle A) 3,000 hrs Change in color: 1.55 dE
- Dielectric Strength, oil ASTM D149 440 V/mil 17.3 kV/mm
* Independent lab tests. All tests at 73 °F (23 °C) in dry conditions unless otherwise noted.
Sheet Sizes
- Name Imperial Metric
- Lengths 120 in 3,048 mm
- Widths 52 in. to 1,321 mm
- Gauges from 0.04 to 0.25 in from 1 to 6.35 mm
- Custom Sizes Blank sizes, gauges on request
ELECTRICAL
- Frequency (GHz) 2.5 18 39
- Dielectric Constant (K) 2.90 2.93 2.92
- Dissipation Factor (Df) 0.005 0.008 0.010