Tuff 
  Block Mats and Modular Flooring 
Original 
  Physical Properties ASTM D 412 D 2240
DIE C DUMBBELLS TESTED AT 20 IN/MIN                                            
  Results           
ULTIMATE ELONGATION, %                                                           
      80
TENSILE STRENGTH, PSI                                                               
     600
              
  SHORE A DUROMETER; PTS                                                             64
Ultra Violate Light Exposure, ASTM D 295
SPECIMENS EXPOSED 168 HOURS AT 10 IN. DISTANCE FROM 
  A 275 W, TYPE RS BULB DIE C
DUMBBELLS TESTED AT 20 IN/MIN, Results
           
  ULTIMATE ELONGATION,                                                                  
  70
           TENSILE STRENGTH, PSI                                                                 470
           SHORE A DUROMETER, PTS                                                            67
Artificial Weathering ASTM D 750 G 23
SPECIMENS 
  EXPOSED 300 HOURS IN A CARBON-ARC BURNING, ASTM G 23 TYPE 
Results
 
            ULTIMATE 
  ELONGATION,                                                                   
  80
           TENSILE STRENGTH, PSI                                                                 460
           SHORE 
  A DUROMETER, PTS                                                            67
Heat Aged Physical Properties, ASTM D 573
336 HOURS @ 185 F IN A FORCED-AIR OVEN. DIE C DUMBELLS 
  TESTED AT 20IN/MIN. 
Results
          
  ULTIMATE ELONGATION,                                                                   66
           TENSILE STRENGTH, PSI                                                                 343
           SHORE A DUROMETER, PTS                                                            75
Tear Resistance, ASTM D 624 DIE C
Results
SPECIMINES 
  TESTED AT 20 IN/MIN.                                                                                              
        
           TEAR STRENGTH, LBS/IN.                                                                117
Compression / Deflection, ASTM D 575 D. Method A
| Results | Load 
        PSI  | |
| 5 | 50 | |
| 10 | 100 | |
| 20 | 205 | |
| 30 | 345 | |
| 40 | 610 | |
| 50 | 1,000** | 
** Exceeded testing apparatus capacity.
Flame Resistance, MIL – M – 15562 F
          
  HORIZONTAL BURN                                                
  Results                       Limit
         
    AFTER FLAME DURATION, SECOND                 
        
  72                         
   240 Max. Pass
           CHAR LENGTH, INCHES                                          
  4.0                         10 Max. Pass
Flame Resistance, UL 94 HB
                                                                                    Results                       Limit
         
    BURN RATE, IN/MI                                                 
   
   84                       1.5 MAX
Taber Abrasion, ASTM D 3389
                                                                                                Results           Limit
         
    TABER WEAR INDEX, MG/LOSS/1000 
  CYCLES                
    
  84          1.5 MAX
Fluid Resistance, ASTM D 471
SPECIMENS IMMERCED 24 HOURS @ 73° F
|  | ULTIMATE 
        ELONGATION | TENSILE 
        STRENGTH | SHORE 
        A DUROMETER | VOLUME 
        CHANGE | 
| TEST 
        FLUIDS | % | PSI | PTS | % | 
| NAPTHA | 30 | 160 | 45 | +80.3 | 
| XYLENES | 10 | 70 | 36 | +156.3 | 
| UNLEADED 
        GAS | 30 | 130 | 42 | +68.4 | 
| WESSON 
        OIL | 100 | 710 | 42 | +7.2 | 
| 10W 
        - 30 MOTOR OIL | 90 | 680 | 42 | +7.4 | 
| MIL-H-5606E | 50 | 210 | 48 | +70.2 | 
| ASTM 
        #2 OIL | 70 | 500 | 64 | +3.1 | 
| CONCENTRATED 
        LACTIC ACID 85% | 90 | 580 | 59 | +0.0 | 
| SULFURIC 
        ACID (1 IN) | 80 | 530 | 48 | +0.6 | 
Dimensional Stability
           
  SAMPLES AGED 24 HOURS @120F, 24 HOUR RECOVERY        
  Results                                
  
           LENGTH & WIDTH 
  CHANGE %.                                
                       0.24
Dimensional Tolerance
ALL 
  DIMENSIONS ARE MEASURED AFTER MAT HAS BEEN STORED FOR 24 HOURS (MINIMUM) AT 
  70° FAHRENHEIT                                                                                        
  Results                                       
           MAT LENGTH RANGE                                                           48.000 TO 48.300”
          MAT WIDTH RANGE                                                               72.000 TO 72.500”
          1/2” & 3/4” THICKNESS TOLERANCE                                         +/- .030”
Specific Gravity, ASTM D 297
WATER 
  DISPLACEMENT METHOD. SPECIFIC 
  DISPLACEMENT METHOD.                     Results                                                                                                                                 
      
           SPECIFIC GRAVITY, G/CM                                                                 
            
            
  1.06 TO 1.153
  Tuff Block Mats are manufactured from recycled tire material. Recycled material 
  content is 92%. All objectionable material including wire and fibers is removed. 
  No filler materials are added. Mats are absolutely non-absorbent and will not 
  harbor or promote growth of bacteria. Tuff Block Mats are easy to install and 
  are virtually maintenance free. 
  
  Back 
  to Tough Block Flooring
  
Site Map: The Mat King Web Site in Overview
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      MAT KING
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      Fax: (646)998-4073
      Phone: 800-442-6544
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      Phone: 800-442-6544
      Fax: 800-Mats-Fax (628-7329)
   
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