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View Full Version : Watch that Chinese Drywall. Sulfuric Acid???



Sev
06-04-2010, 05:47 AM
Nothing like being attacked by your own home.

http://www.popsci.com/science/articl...-sulfuric-acid



The Latest Toxic Chinese Export? Drywall that Could Fill Your Home With Sulfuric Acid
By Nicole Dyer Posted 05.25.2010 at 6:14 pm 8 Comments

Drywall Clause Rebler/Flickr

Add drywall to the growing list of toxic imports from China. Today a report from the largest investigation in the history of the US Consumer Product Safety Commission has cited 10 Chinese manufactures as sources of sulfur-laden drywall found in thousands of homes constructed in the United States between 2005 and 2009, when a post-Katrina building boomed created a run on drywall and forced builders to seek out new suppliers.

Investigators say hot and humid conditions can cause the tainted building product to release gas sulfur compounds that smell of rotten eggs and react with moisture in the air to create sulfuric acid, a key ingredient in acid rain and car batteries. Unleashed in a home, sulfuric acid can corrode and blacken metal, attacking electrical wiring, air conditioning coils, fire alarms, TVs and stereos. It can also exacerbate asthma and cause bloody noses, headaches and wheezing.

In many cases the damage has been so intense that victims have abandoned their homes or have been forced to finance gut renovations that often cost more than their original property is worth. CPSC scientists were careful to rule out common sources of sulfur contamination in homes, including well water, sewer gas, even jarred pickles, says CPSP spokesperson Alexander Filip.

U.S officials at the U.S.-China Strategic and Economic Dialogue meetings in Beijing this week are pressing the Chinese government to urge Chinese drywall companies implicated in the crisis to cooperate with the CPSCs investigation. Port checks have confirmed that no new drywall has been imported from China since 2009.

So whos to blame? Here, the CPSC names names, with a list of the top 10 manufacturers of drywall whose product had the highest emissions of hydrogen sulfide:

* Knauf Plasterboard (Tianjin) Co. Ltd.: (year of manufacture 2005) China
* Taian Taishan Plasterboard Co. Ltd.: (2006) China
* Shandong Taihe Dongxin Co.: (2005) China
* Knauf Plasterboard (Tianjin) Co. Ltd.: (2006) China
* Taian Taishan Plasterboard Co. Ltd.: (2006) China
* Shandong Chenxiang GBM Co. Ltd. (C&K Gypsum Board): (2006) China
* Beijing New Building Materials (BNBM): (2009) China
* Taian Taishan Plasterboard Co. Ltd.: (2009) China
* Shandong Taihe Dongxin Co.: (2009) China

Suspect tainted drywall in your home? Call the CPSC 800-638-2772 or visit their web site here.
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Sev
06-05-2010, 04:36 AM
?

Sev
06-05-2010, 08:11 PM
Just who is responsible for letting this material into the country??