Hypalon vs. PVC

 

 

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Hypalon vs. PVC


Comparison between Hypalon and Panatex

PROPERTIES

HYPALON

PVC COATED FABRIC

 Mechanical properties   

- Tear resistance

- Resistance to abrasion            

 

Better than PVC

Better than PVC

 

Not as good as Hypalon

Less than Hypalon

 Low temperature resistance

Excellent

Good when new but rapidly decreases with age

 Porosity

No porosity

Reliability less than 100%

 Chemical resistance

- Gasoline and diesel

- Cleaning solvents

- Solvents

- Greases and oils

- Tar derivatives

 

Good

Good

Fair

Good

Good

 

Does not resist

Does not resist

Does not resist

Fair

Fair

 Ageing

- Heat and UV

 

- Weather

- Fading

- General properties

- Micro-organisms and fungus

- Running water

 

Good

 

Good

Excellent

Excellent

Excellent

Good

 

Progressive evaporation of plasticizers. With age material becomes stiff and brittle.

Good but becomes sticky and dirty

Good becomes stiffer with age

Limited

Fair

Fair

 Safety of life at sea (Solas)

 

Approved

Not Approved

BONDING METHOD:

PVC:

There are two methods used to manufacture PVC pontoons:

1. Glue

The best glue for this purpose is two part PU heat reactivated glue. The life expectancy of the glue and PVC pontoon are approx 10 years. Please note that PVC pontoons are not suitable for extreme cold or extreme hot condition like the tropics. Due to the glue being heat reactivated, glue failure in the tropics and extreme heat may occur unless steps are taken to manage pressure/heat.

2. Heat Welding

This method is utilized and preferred by Stingray.

The PVC is thermo welded using a special thermo welding machine.

HYPALON:

Hypalon is a synthetic rubber and can only be glued. The glue is very specialized and unlike the glue used on PVC is not heat reactivated. The glue can withstand extreme cold and hot conditions. This is the choice of Military and Rescue organizations. 

 

 

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