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LATEX MATTRESS CORE FACT SHEET


Standard Hardness Specifications for Mattress Cores
Hardness Range (ILD= Indentation Load Deflection)
Soft 19-22 (natural=20-24) ILD
Medium 26-30 ILD
Firm 30-34 ILD
Extra Firm 34-38 ILD
Super Firm 42-46 ILD (blended only)

Hardness range measurements based on ASTM D-1055.

ILD is a firmness measurement (ILD= Indentation Load Deflection) and is a standard for measuring foam firmness.

It is also called IFD, or Indention Force Deflection . It is a measure of load bearing capacity or firmness. IFD is measured on the surface as 25% IFD For example, to determine 25% IFD, a four-inch thick latex sample is compressed to three-inch thickness. the number of pounds required to achieve compression is the 25% IFD value. The higher the IFD, the firmer the surface feel.

Special Compression ranges available upon request.


Standard Mattress Dimensions
Product Nominal Dimensions FloBeds Finished Dimensions Width Min/Max Length Min/Max
Twin 39 X 75 38 X 75 37½ to 38½ 74¼ to 75 ¾
Twin XL 39 X 80 38 X 80 37½ to 38½ 79¼ to 80 ¾
Full 54 X 75 54 X 75 53½ to 54½ 74¼ to 75 ¾
Full XL 54 X 80 54 X 80 53½ to 54½ 79¼ to 80 ¾
Queen 60 X 80 60 X 80 59½ to 60½ 79¼ to 80 ¾
King 76 X 80 76 to 80 75½ to 76½ 79¼ to 80 ¾
Cal King 72 X 84 72 X 84 71½ to 72½ 83¼ to 84 ¾

All dimensions based on nominal dimensions and tolerances given in ANSI Standard Z357.1 - 1981

 

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