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2. Thread seal tape - Wikipedia

   en.wikipedia.org/wiki/Thread_seal_tape

   PTFE tape used for different sized fittings PTFE tape for natural gas. There are two US standards for determining the quality of any thread seal tape. MIL-T-27730A (an obsolete military specification still commonly used in industry in the US) requires a minimum thickness of 3.5 mils and a minimum PTFE purity of 99%. [3]

3. High-density polyethylene - Wikipedia

   en.wikipedia.org/wiki/High-density_polyethylene

   HDPE is known for its high strength-to-density ratio. [4] The density of HDPE ranges from 930 to 970 kg/m 3. [5] Although the density of HDPE is only marginally higher than that of low-density polyethylene, HDPE has little branching, giving it stronger intermolecular forces and tensile strength (38 MPa versus 21 MPa) than LDPE. [6]

4. National pipe thread - Wikipedia

   en.wikipedia.org/wiki/National_pipe_thread

   National Pipe Taper Fuel (NPTF, also called Dryseal American National Standard Taper Pipe Thread, defined by ASME B1.20.3) is designed to provide a more leak-free seal without the use of PTFE tape (often referred to by the popular brand name "Teflon") or another sealant compound. NPTF threads have the same basic shape but with crest and root ...

5. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

6. ETFE - Wikipedia

   en.wikipedia.org/wiki/ETFE

   For instance u value of ETFE single layer, double and three layers are approximately: 5.6, 2.5 and 1.9 W/m2.k respectively [7] while concerning g value of etfe cushion or SHGC in ETFE systems it can vary between 0.2 to 0.95 using frits [5] and for further info about SHGC in ETFE refer to [8]

7. 29 House Republicans want Trump to scrap the IRS's free ... - AOL

   www.aol.com/29-house-republicans-want-trump...

   Home & Garden. Lighter Side. Medicare. News. Science & Tech. Shopping. Sports. Weather. 29 House Republicans want Trump to scrap the IRS's free direct tax-filing tool on day one of his presidency.