Comparing Kynar PVDF with PVC and CPVC
- PVDF operates at higher temperatures and is suggested up to 284 °F; CPVC up to 200 °F and PVC only to 140 °F.
- PVDF has increased mechanical durability over both PVC and CPVC.
- PVDF is more resistant to permeation and to a greater number of chemicals.
- PVDF equipment is fabricated and approved for food grade and ultra pure use.
- PVDF materials can meet ASTM fire and smoke spread requirements.
- PVDF is unaffected by ultraviolet UV and exhibits increased resistance against nuclear radiation.
- PVDF is joined through heat fusion welding that produces leak free connections; PVC and CPVC are joined via specific primers and cement.
Comparing Kynar PVDF with Metal Pipe
- PVDF is inert, does not require passivation and will never rust while metal plumbing is susceptible to environmental / solution corrosion and rusting.
- PVDF is lightweight and resistant to abrasion compared to metal pipes that are generally heavy and susceptible to abrasive materials.
- PVDF installation and costs are similar to metal and stainless steel.
- PVDF is inert to hydrogen gas formation and considered suitable for chlorine based compounds such as hydrochloric / muriatic acid, HCl.
Common Chemicals & Solutions Used with PVDF
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