Deletion of Tygon tubing (2nd nomination)

Comment: Upon review of the sources provided above by User:Mark viking, the topic appears to pass Wikipedia's |notability test. Sources that appear to be directly about Tygon tubing or contain significant information about it are: http://www.ncbi.nlm.nih.gov/pubmed/10585152, http://www.ncbi.nlm.nih.gov/pubmed/10160448, http://www.ncbi.nlm.nih.gov/pubmed/18285028, http://www.ncbi.nlm.nih.gov/pubmed/5960696, http://www.ncbi.nlm.nih.gov/pubmed/17733451, http://www.ncbi.nlm.nih.gov/pubmed/12229263, http://www.ncbi.nlm.nih.gov/pubmed/11001170. The sources are paywalled, but this does not disqualify them, per 
Stance: keep
Cited policy: Wikipedia:Notability (WP:N||WP:PAYWALL)