Technical Support Knowledgebase

Search the knowledgebase for articles for common questions about plastic products:

Top Rated Knowledgebase Articles

What do the UN codes mean?
Date: 11/15/2007
Summary: General information on understanding UN codes.
406 user(s) found this useful.
How much do the acrylic sheets weigh?
Date: 12/10/2010
Summary: Average weight per square foot for the acrylic sheet.
398 user(s) found this useful.
Lexan ® Polycarbonate Cleaning Instructions
Date: 03/31/2009
Summary: Lexan cleaning and scratch removal
342 user(s) found this useful.
What is the difference between standard PVC pipe and furniture-grade PVC pipe?
Date: 08/17/2007
Summary: The differences between furniture-grade and standard PVC pipe and fittings
270 user(s) found this useful.
What is a Spigot (SPIG), and how does it differ from Socket and Hub?
Date: 05/30/2008
Summary: What the difference is between spigot and socket or hub.
249 user(s) found this useful.
What is the difference between hose and tubing and which do I need?
Date: 10/04/2013
Summary: Hose vs. Tubing
225 user(s) found this useful.
Can PVC or CPVC pipe be used for compressed air lines?
Date: 01/08/2008
Summary: Use of compressed air or gas with Harvel PVC/CPVC piping products
192 user(s) found this useful.
What is the difference between NSF-61 and NSF-51?
Date: 10/19/2007
Summary: A brief description of what the NSF-61 and NSF-51 cover.
192 user(s) found this useful.
Can PVC and CPVC pipe be installed underground? How deep does it have to be buried?
Date: 12/14/2007
Summary: Information on underground installation of PVC and CPVC Pipe.
189 user(s) found this useful.
What are the main differences between homopolymer and copolymer polypropylene?
Date: 02/11/2010
Summary: Polypropylene is produced in both homopolymer and copolymer grades.
172 user(s) found this useful.