Stonewood Interior Panel Testing
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NEMA Test Results
| Description | Test ID | NEMA Requirements | Class A & B |
| Light Resistance | 3.3 | Slight Effect | Slight Effect |
| Cleanability | 3.4 | Cleanability < 20 | 10 |
| Stain Resistance | 3.4 | Unaffected By Reagents 1-10 Moderate 11-15 |
No Effect Moderate Effect |
| Resistance to Boiling Water | 3.5 | No Effect | No Effect |
| Resistance to High Temperature | 3.6 | Slight Effect | No Effect |
| Ball Drop Impact Resistance: | 3.8 | 75" | 90"+ |
| Wear Resistance: | 3.13 | 400 Cycle Minimum | 700 Cycle |
Mechanical Properties
| Property | Direction | Class A | Class B |
| Flexural Strength ASTM D-790 (PSI) | Machine Direction Cross Direction |
18,000 12,000 |
19,000 16,000 |
| Flexural Modulus ASTM D-790 (PSI) | Machine Direction Cross Direction |
1.5 x 106 1.1 x 106 |
1.3 x 106 1.0 x 106 |
| Tensile Modulus ASTM D-638 (PSI) | Machine Direction Cross Direction |
15,000 10,000 |
14,000 10,000 |
Fire Test Data
| Description | Information | Class A | Class B |
| Flame Spread Index - ASTM E-84 (BLDG) | Tests was performed on a 0.25" panel. | ≤ 25 | ≤ 75 |
| Smoke Developed Values - ASTM E-84 (BLDG) | Class B is considered to be the Standard Product. | ≤ 450 | ≤ 450 |
Physical Characteristics
| Weight Per Unit Area | |||
| Thickness | 0.156" | 0.250" | 0.500" |
| Density PCF | 86 ± 3 | 86 ± 3 | 86 ± 3 |
| Lbs/ft2 | 1.12 ± 0.04 | 1.79 ± 0.06 | 3.58 ± 0.13 |
| Kg/m2 | 5.47 ± 0.20 | 8.74 ± 0.29 | 17.47 ± 0.64 |
Chemical Resistance Testing
| Test Name | Result |
| SEFA 8-PH-2010, Section 8.1 | Passed Testing / SEFA 8 Compliant |
General Manufacturing Tolerance
| Measurement | Tolerance (in) |
| Thickness (.156 to .375) | ± .020 |
| Thickness (above .375 to 1.000) | ± .030 |
| CNC Shaped size (Length -Width) | ± .020 |
| Drill Diameter | ± .003 |
| Drill Depth | ± .020 |
| CNC Hole to hole | ± .020 |
| CNC Hole to Edge (1 Operation) | ± .020 |
| CNC Hole to Edge (2 Operation) | ± .030 |
| Routing - (Slots Width and Length) | ± .015 |
| Routing - (Slots Depth) | ± .020 |