Hemp Shield Product Safety Information:

Hemp Shield Wood Finish and Deck Sealer™ is among the safest wood protectant finishes ever created. Non-toxic in normal use, every ingredient in Hemp Shield™ was selected to be the safest, most environmentally friendly choice available.

However, accidents can happen, and safety information on each color of Hemp Shield™ is available in the Material Safety Data Sheets (MSDS) that are reached through the main menu, or by links on the footer of every page on the website. If the MSDS are not accessable due to language, disability, or other condition, the Hemp Shield Company has contracted ChemTel to provide 24 hour access to safety information at the numbers listed below.





24 Hour Response Phone —

EMERGENCY PHONE: 1 (800) 255-3924

INTERNATIONAL EMERGENCY PHONE: 1 (813) 248-0585

— Contract Number MIS0006999 —

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If Hemp Shield Is Non-Toxic, Why Does The Label Say, "Contains A Known Carcinogen"?

Recently the people of California passed Proposition 62, a far reaching law that limits the presence of a wide range of substances in consumer products and requires labeling for many other substances. This labeling regulation requires that any substance considered a carcinogen must be so labeled, even if the substance is inert in use.

Hemp Shield products contain the compound silica, or silicon dioxide, for appearance and viscosity control. Silica is a major component of glass, and is found abundantly in sand, neither of which have been known to cause cancer. Although silica dust was a primary cause of lung cancer and silicosis in 19th and early 20th century miners, the silca contained in Hemp Shield products is in a permanent emulsion that would be nearly impossible to inhale. The silica in Hemp Shield is functionally inert as a carcinogen.



What Are VOCs? — Information For Consumers

People frequently ask about the low levels of "volatile organic compounds" (VOCs) Hemp Shield Wood Finish and Deck Sealer™ contains. They want to know, "what are "volatile organic compounds"? And, "what could these chemicals do to my family, my pets, the environment — and me?"


Volatile Organic Compounds

Volatile organic compounds (VOCs) are organic chemicals that have a low boiling point, which causes large numbers of molecules to evaporate from the liquid or solid form of the compound and enter the surrounding air. Formaldehyde, for example, with a boiling point of –19 ºC (–2 ºF), is well known for out-gassing from finishes and getting into the air. Formaldehyde attacks the mucous membranes, and can make a person irritated and uncomfortable.(1) After hurricane Katrina, hundreds of people living in brand new, FEMA supplied trailers developed headaches, rashes, and serious systemic ailments from formaldehyde emitted by finish materials in the trailers. Many other VOCs are also dangerous to human health or cause harm to the environment. VOCs are typically not acutely toxic, but instead have compounding, long-term health effects. Studies also show that relative leukemia and lymphoma rates can increase through prolonged exposure to VOCs in the indoor environment.(2)


VOCs In Wood Finishes

A major source of man-made VOCs are solvents, especially from wood finishes and protective coatings. Large amounts of solvents are required to dissolve and spread the protective films that are found in most waterproofers except Hemp Shield™. Some typical solvents are mineral spirits, methanol, ethyl-toluene, aliphatic hydrocarbons, and acetone. Many wood protectants also use mildew, algae, and fungus retardants that contain formaldehyde.

When Hemp Shield Wood Finish and Deck Sealer™ was being developed, a primary goal was to greatly decrease, or completely eliminate, the presence of VOCs. We succeeded with the "Clear" color of Hemp Shield™, which has 0% (9g/l) VOCs. The other colors of Hemp Shield™ have extremely small amounts of diethylene glycol, which are used to suspend the colorant crystals.

In contrast, national brands like THOMPSON'S® WATER SEAL™ Deck & House Oil Stain, Semi-Transparent, Cedartone (24% naphtha, 24% aliphatic hydrocarbons, 7% mineral spirits) contain large amounts of VOCs.(3) In keeping with the Hemp Shield™ standard of, "low or no VOCs", the VOC content of all Hemp Shield™ products are below 5%. Also, the mildew, algae, and fungus retardants used in Hemp Shield™ contain 0% formaldehyde.


Sources

Footnote 1:

Dieter Stoye, "Paints and Coatings" in Ullmann's Encyclopedia of Industrial Chemistry 2006, Wiley-VCH, Weinheim. doi:10.1002/14356007.a18_359.pub2

Footnote 2:

Irigaray, P., Newby, J. A., Clapp, R., Hardell, L., Howard, V., Montagnier, L., et al. (2007). Lifestyle-related factors and environmental agents causing cancer: An overview. Biomedicine & Pharmacotherapy, 61(10), 640-658.

Footnote 3:

Thompsons, MSDS for THOMPSON'S® WATER SEAL™ Deck & House Oil Stain, Semi-Transparent, Cedartone

Hemp Shield™

State of the art protection for outdoor wood in a truly 'green' product.



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