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Technical Specifications

a)

Applicable Standards

• ASTM C684 Standard Test Method for Making, Accelerated Curing, and Testing Concrete Compression Test Specimens
• ASTM D5628 Standard Test Method for Impact Resistance of Flat, Rigid Plastic Specimens by Means of a Falling Dart (Tup or Falling Mass)
• ASTM D6109 Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastic Lumber and Related Products
• ASTM E84 Standard Test Method for Surface Burning Characteristics of Building Materials
• ASTM E119 Standard Test Methods for Fire Tests of Building Construction and Materials
• ASTM E662 Standard Test Method for Specific Optical Density of Smoke Generated by Solid Materials
• ASTM G21 Standard Practice for Determining Resistance of Synthetic Polymeric Materials to Fungi.

b)

Physical/Mechanical Properties

TABLE 1.  PHYSICAL CHARACTERISTICS

Flexural modulus

0.93 × 106 psi

ASTM D6109

Flexural strength

1295 psi

ASTM D6109

Compressive strength

3000 psi

ASTM C684

Shear strength

391 psi

ASTM D6109

Flame spread

0

ASTM E84

Smoke developed

0

ASTM E84

Smoke density

None

ASTM E662 not req.

Moisture content 

8%

GB/T 160-1997

Impact resistance

1.65 ft/lb-in of notch

GB/T 7019-1997

Thermal insulation

R-value - 1.2/inch

GB/T 7019-1997

Fungus/mold

Non-nutrient

ASTM G21

Smoke

Nontoxic

ASTM E662

TABLE 2. IMPACT TESTING (ASTM D5628)

Drop height

Unclamped edges

Clamped edges

12" (305 mm)

Hairline cracking

Hairline cracking

6" (152 mm)

Superficial cracking

Superficial cracking

TABLE 3. DESIGN RECOMMENDATIONS

Board Thickness

L/360 12" 305mm

L/360 16" 406mm

L/360 24" 610mm

L/240 12" 305mm

L/240 16" 406mm  

L/240 24" 610mm

12mm

94 psf

40 psf

12 psf

142 psf

60 psf

19 psf

15mm

251 psf

106 psf

32 psf

378 psf

160 psf

47 psf

TABLE 4. LOAD FOR MAXIMUM ALLOWABLE STRESS

Board Thickness

12" (305 mm) oc 

16" (406 mm) oc

24" (610 mm) oc

12mm

1366 psf

751 psf

336 psf

15mm

2609 psf

1470 psf

654 psf

Above recommendations based on a maximum allowable flexural stress of 1000 psi.

TABLE 5. PANEL SHEAR

12mm Board

461/foot

15mm Board

646/foot

Above recommendations based on a safety factor of 4. The use of a T-shaped spline 1/2" (12.7 mm) high with 1" (25.4 mm) wings on both sides is recommended for panels 9/16" (14.3 mm) thick, or heavier, used for subflooring.

c)

Fire Performance

Ecomag board is UL approved (assembly number UL U055) for 1-, 1 1/2-, 2-, 3- and 4-hour fire resistant wall systems, providing an unprecedented degree of safety and security. Offering superior fire protection, Ecomag Board requires only a single layer, which expedites job completion, saving time and money.

Surface Burning Characteristics (ASTM E84)

Flame spread - 0

Smoke developed - 0

d)

Sound Performance

Sound Transmission Class (STC) ratings of 53 on a 2-hour UL assembly and 54 on a 3-hour UL assembly are available.

e)

Environmental Considerations

Ecomag board is manufactured from mineral components and water and does not contain any organic solvents, asbestos, oils or toxic components, or any heavy metal salts. No energy is consumed in the manufacturing process since the entire process is conducted at room temperature. Any scrap or drop-off may be reground and reused in production of Ecomag board. Dust or sawdust may be safely buried in landfills, if required. Ecomag board is free of material that would cause contamination or environmental damage to the surrounding area or nearby streams or bodies of water.