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PQRS
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Synthetic Latex Rubber
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L:Styrene-Butadiene Rubber (SBR) Latex is a man-made molecular equivalent of natural rubber Latex (developed during WWII when natural rubber Latex became scarce).
- Due to its molecular uniformity, synthetic latex is more durable and consistent than natural rubber (NR)
- Synthetic Latex formulation offers more precise control over the firmness range of Latex foam rubber.
- SBR is less elastic and resilient than 100% NR latex however when blended with NR Latex adds consistency and durability to the NR rubber.
- SBR tends to harden with oxidative aging because the oxidative processes affect their polymer structure differently and will end up brittle when fully oxidized. '(Which if the latex is protected will take a very long time)'
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MNO
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Mattress Base
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A generic term to describe any platform or other support system meant to support a mattress or increase the height of the sleeping surface. There are many types including box spring, slatted bases, wire grid bases, bunkie boards, foundations, platform beds, solid surface bases, and many others.
TEST Image: Slatted wood foundation |
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ABC
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Inherent FR
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Inherent Fire-Retardant Fabrics and Fibers are naturally resistant to combustion when exposed to sparks or flames because of the molecular structure of the fiber and innate natural fire-retardant properties. Wool and silk burn slowly, smoldering and charring are difficult to ignite, and may self-extinguish. Some other inherent FR materials are latex, inherent rayon, A tightly woven wool fabric will take longer to burn than other untreated natural fabrics, such as cotton and linen which can ignite quickly, with a fast-moving flame spread. |
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ABC
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Chemical FR Treatments
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Treated Fire-Retardant Fabrics are chemically treated textiles and foams that have a much slower burning rate when exposed to fire. The chemicals used to treat fabrics belong to several treatment classes including: brominated, chlorinated, phosphorus-containing, nitrogen-containing, and inorganic flame retardants. Many flame-retardant chemicals are also known as PBDE’s or polybrominated diphenyl ethers some of which have been banned due to their high toxic effects. For material safety data consult the Center for Disease Control’s Agency for Toxic Substances and Disease Registry’s Web site for more information at: http://www.atsdr.cdc.gov/toxfaqs/tf.asp?id=900&tid=183 |
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ABC
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Polybrominated diphenyl ethers (PBDEs)
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Polybrominated diphenyl ethers (PBDEs) are man-made flame-retardant chemicals added to plastics, foams, and used in a variety of consumer products to make them difficult to burn. PBDEs exist as mixtures of similar chemicals called congeners. Because they are mixed into plastics and foams rather than bound to them, PBDEs can leave the products that contain them and enter the environment. The earliest flame retardants used in mattresses, Polychlorinated biphenyls (PCBs), are man-made organic chemicals consisting of carbon, hydrogen and chlorine atoms. They were banned in the United States in 1977 after studies revealed the wide range of toxicity and dangers to human health and environment. PCBs can remain for long periods cycling between air, water and soil and can be carried long distances far from where they were released into the environment. References: Polychlorinated Biphenyls (PCBs) https://www.epa.gov/pcbs/learn-about-polychlorinated-biphenyls-pcbs
Agency for Toxic Substances and Disease Registry (ATSDR). 2004. Toxicological Profile for Polybrominated Biphenyls and Polybrominated Diphenyl Ethers. Atlanta, GA: U.S. Department of Health and Human Services, Public Health Service. |
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TUV
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Variables and Unknowns
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Variables and unknowns involved in mattress shopping include but are not limited to body types, sleeping styles, preferences, physiology, age, health conditions, sensitivities, heat tolerance, special circumstances, etc.
There are far too many variables and unknowns to list them all or to use any formula, specs (either yours or a mattress), reviews, or "theory at a distance" based on basic height/weight/sleeping position information or any other person's experience to choose a suitable mattress that can possibly be more accurate than your own careful and objective mattresses testing (using the testing guidelines in the Mattress Shopping Tutorial) to help decide to select a mattress that is "best" for you in terms of PPP for either local and online mattress purchase. |
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ABC
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ASTM D 3574
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"Industry Standard Test methods of flexible polyurethane foams properties"
In the Industry Specific Standards the ASTM D 3574 standard describes a range of tests used to create an accurate picture of the material properties of polyfoams such as compression IFD (indention force deflection), tensile strength, support factor, bend etc. that allow manufacturers to maximize comfort and improve ergonomics. ASTM D3574 standard is used in comparative testing of various foam samples, of different densities, porosity, and chemical composition. Tests based on this standard are often performed in conjunction with more sophisticated pressure analysis to mimic the loading applied by the human body |
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ABC
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ASTM D 3574
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In the Industry Specific Standards the ASTM D 3574 standard describes a range of tests used to create an accurate picture of the material properties of polyfoams such as compression IFD (indention force deflection), tensile strength, support factor, bend etc. that allow manufacturers to maximize comfort and improve ergonomics. ASTM D3574 standard is used in comparative testing of various foam samples, of different densities, porosity, and chemical composition. Tests based on this standard are often performed in conjunction with more sophisticated pressure analysis to mimic the loading applied by the human body. |
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