Frequently Asked Questions (FAQs)

Question 1 - What does HDPE and PPH stand for?

HDPE : High-density polyethylene and PPH : Polypropylene

Question 2 - What manufacturing material is the most frequently used in industries handling corrosive chemicals for the manufacturing of tanks, fittings, pipes,etc?

The HDPE.

Question 3 - Why selecting HDPE or PPH in storage tanks manufacturing?

These two materials possess undeniable qualities:

•  A perfect resistance to high or low temperatures
• Lightness 
• Low pressure drop
• Strong resistance to a wide range of chemicals 
• Possibility to be recycled 
• Natural elasticity and impact-resistance which facilitates tanks installation and maintenance.
  

Question 4 - Why Stockage & Systèmes' storage tanks are painted gray?

Gray color does not absorb sunlight heat as much as black color, thus, it rejects heat in an easier way. Using color gray in our tanks is a way to optimize stored chemicals' protection.

Question 5 - What sort of chemicals can be stored in HDPE or PPH tanks?

All sort of "chemicals", particularly corrosive and hazardous products having different concentration rates.

Question 6 - Is it possible to change the accessories of an already operating tank?

Tank functionality can evolve as its accessories are changed. Tanks are adjustable and can evolve over the time.

Question 7 - What is the average service life of a HDPE or PPH tank?

Service life largely depends on the stored chemical product and its corrosive properties (among others). The average time varies between 15 to 30 years.
It is imperative, in this respect, to check current and future standards and regulations.

The tank itself is maintenance-free. However, tank accessories must be regularly controlled to ensure proper functioning.