Product Brochure

ACRYLIC THAT WEATHERS THE TESTS OF TIME
ACRYLIC THAT WEATHERS THE TESTS OF TIME
Condition UNITS
SG SG-05 SG-10
Cast
Acrylic
Thermoforming for Sheet Thickness
0.100” to 0.375”
Optimal Forming Temperature ˚F 320 315 310 380
Forming Temperature Range ˚F 270-350 270-350 270-350 350-390
Heating Time Minutes 1 - 10 1 - 10 1 - 10 2 - 25
Two Sided Infrared
Cooling Time Minutes 0.5 - 4 0.5 - 4 0.5 - 4 1 - 7
Optimal Mold Temperature ˚F 180 175 170 190
Free Shrinkage at Forming Temperature
Machine Direction % 1 - 3 1 - 3 1 - 3 0 - 2
Transfer Direction % 0 0 0 0 - 2
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SUGGESTED THERMOFORMING CONDITIONS
Property ASTM UNITS SG SG-05 SG-10
Optical
Light Transmission D-1003 % 92 92 90
Percent Haze D-1003 % 2 2 <3
Mechanical
Izod Impact Strength (73˚F) D-256 ft.-lbs./in. 0.4 0.7 1.1
(0˚F) D-256 ft.-lbs./in. 0.2 0.2 0.5
Tensile Modules of Elasticity D-638 PSI 490,000 340,000 250,000
Tensile Strength @ Yield D-638 PSI 11,030 8,000 5,600
Flexural Strength @ Yield D-790 PSI 17,000 12,000 8,300
Rockwell Hardness Method A D-785 95 68 46
Thermal
Deflection Temperature (264psi) D-648 ˚F 203 194 185
Coefficient of Thermal Expansion D-696 in./(in.-˚F) 2.3 x 10
-5
4 x 10
-5
5 x 10
-5
Self Ignition Temperature D-1929 °F 833 >850 >850
Burning Rate D-635 in./min. 1.019 1.25 1.97
Smoke Density Rating D-2843 % 3.4 8.50 16.5
Processing
Density Specific Gravity D-792 1.19 1.17 1.15
Moisture Water Absorption D-570 % wt. gain 0.4 0.3 0.3
Dimensional Molding Shrinkage D-955 mils./in. 2 - 6 3 - 6 3 - 6
Colors: Clear, 2447 White &
7328 White
Thickness: .118” - .236”
Available Widths: 30” - 105”
For custom sign grade materials call for availability,
quotation and delivery information.
Sheet Shrinkage (%)
Thickness Extrusion Direction Cross Extrusion Direction
3/16” 2±1 0±0.5
1/4” 1±1 0±0.5
Weld-On #3 Quick-set, good bond strength, most aggressive.
Avoid use in high stress areas.
Weld-On #5 Set slightly slower than #3. Good bond strength.
Most recommended.
Weld-On #16 Fast-drying, high strength.
Weld-On #40 Reactive gluing system. Good for bonding SG Sheet
to other materials such as cell cast acrylic, polystyrene, PVC, butyrate
and wood.
General Purpose Impact Modified Poly-
Acrylic Acrylic Carbonate
Optix Cell Cont. Duraplex Duraplex
Properties SG Cast Cast SG-05 SG-10
1) Optical Superior Superior Very Very Very Very
Appearance Good Good Good Good
2) Optical Superior Superior Very Very Very Fair
Appearance Good Good Good
After
Weathering
3) Impact Fair Fair Good Good Excellent Superior
Resistance
4) Scratch Excellent Excellent Very Good Fair Fair
Resistance Good
5) Chemical Fair Excellent Good Fair Good Very
Resistance Good
6) Machining Good Excellent Very Good Superior Good
(Route/Saw) Good
7) Heat Very Excellent Very Good Fair Superior
Resistance Good Good
General Purpose Impact Modified Poly-
Acrylic Acrylic Carbonate
Optix Cell Cont. Duraplex Duraplex
Properties SG Cast Cast SG-05 SG-10
1) Optimal Low High High Low Low Very
Forming High
Temp
2) Processing Wide Wide Narrow Wide Wide Narrow
Window
3) Predrying No No No No No Always
4) Melt Low High Moderate Low Moderate Low
Strength
5) Hot High Low Low High Moderate Moderate
Sticking
6) Shrinkage Linear Symmetrical Symmetrical Linear Linear Linear
Low Very Low Very Low Low Low High
7) Heating Short Moderate Long Short Short Long
Time (I.R.)
8) Stiffening Very Slowest Slow Fast Fast Fastest
Rate for Part Fast
Removal
9) Vacuum High Lowest Low High High High
Definition
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GENERAL COMPARISON CHART
FOR
RIGID SIGN PLASTICS - THERMOFORMING
GENERAL COMPARISON CHART
FOR
RIGID SIGN PLASTICS -
P
RINCIPLE PHYSICAL PROPERTIES
These suggestions and data are based on information we believe to be reliable. They are
offered in good faith, but without guarantee, as conditions and methods of use are beyond
our control. We recommend that the prospective user determine the suitability of our
materials and suggestions before adopting them on a commercial scale.
SIGN GRADE ACRYLIC SHEET
Processing and Handling Tips
Plaskolite Sign Grade Acrylic Sheet
Forming
SG Sheet forms at approximately 50˚ to 60˚F lower than that
of cast acrylic with optimum range between 280˚
to 320˚F.
Orientation
When heated to forming temperature, SG sheet will exhibit
mild shrinkage in the extrusion direction, but not in the
cross-extrusion direction. Cast sheet, depending on the
manufacturer, may exhibit shrinkage from 0% to 2% in both
directions.
Painting
SG Sheet can be easily painted, however, it is susceptible to
attack by aromatic solvents such as Toluene, Xylene, or
Ketones.
Recommended Paint Systems:
Grip Flex Lacryl
Prolonged contact with thinners and cleaners may cause crazing.
Recommended UV Ink:
Nazdar - Phone [phone]
Recommended Adhesives:
Adhesives listed below are recommended for use with SG Sheet
products. However, adhesives should be tested prior to full-
scale use.
FR-1 (Screen) 800 Series (Screen)
FR-2 (Spray) 400 Series (Spray)
T-2003, T-2004, T-2005 (Thinner) 200-T, 201-T, 205-T (Thinner)
T-4000 (Cleaner) 206-T (Cleaner)
55459 Sign Grade 5/7/08 7:50 AM Page 2