During the last decades, traditional metal pipes have been replaced by plastic pipes. The driving forces of this change are lower prices, better sanitation, and environmental concern. Additional reasons are improvement of the properties of the plastics, such as increased resistance to pressure and heat. Among other plastic materials, PP-R pipe became most widely used for hot water systems due to its good quality aspects and advantages in installation as well as reasonable economics. The demand for PP-R pipes have been increased rapidly not only in Europe where the demand initially began, but also in the Middle East and China. PVC , one of the most widely used materials in manufacturing pipes, is being replaced by PE and PP for environmental reasons.


With continuous product development to meet market requirements, in 1998 Hyosung launched R200P, high molecular weight low-MFR polypropylene-ethylene random copolymer. R200P is recommended for pressure pipe manufacturing and injection moulding of fittings for use at elevated temperatures. It is available in natural, gray, green, white, and blue colors. Even though the sales initiated in the Middle east and Turkey, it soon become biggest share in China and South east Asian market. Now, R200P is selling in Germany, the Czech Republic and Russia.


A service life-time over 50 years

Chemical stability

Environmentally-friendly

Convenient installation

Easy processibility

Superb economics

Comparison of R200P with other materials for pipe system
categoryR200PPPBXL-PE PBMETALCOPPER
MaterialPolypropy
lene
Random
Copolymer
Polypropy
lene
Block
Copolymer
Cross-linked
Polyethy
lene
Polybutene
-1
IronCopper
Durability50 yrs50 yrs50 yrs 50 yrs5-10 yrs100 yrs
Construc
tion
--------
(connec
tion)
satis
factory
--------
heat fusion
satis
factory
-----------
heat fusion
good
--------
mechanical
connector
(heat fusion
impossible)
great
--------
mechanical connector
(heat fusion impossible)
unsatis
factory mechanical connector
poor welding
corrosionnonenonenone nonesevere
corrosion
possible
corrosion
(poor food safety)
Recyclingpossiblepossibleimpossible possiblepossiblepossible
major
function
Cold and hot water supplying pipes/
Under floor heating pipes/
Chemical pipes
Cold and warm water supplying pipes/
Low pressure pipes/
Chemical pipes
Under floor
heating pipes
Cold and hot water supplying pipes/
Under floor heating pipes
Cold and hot water supplying pipes Cold and hot water supplying pipes/
Under floor heating pipes


A comparison between R200P and B240P(PP-B)
   Hyosung is also producing block copolymer 'B240P' for PP-B pipe system, which is
   mostly used for cold water pipes or hot water pipes at lower temperature
 R200PB240P
Advantage - Superb creep rupture strength to
  heat and pressure : ISO 15874 ,
  DIN 8078
- Due to superb heat fusion and
  flexibility
- construction is also superb Superb
  flexibility and freezing breakage
- Superb impact strength :
  Convenient shipping
- Superb productivity.
Disadvantage - Needs to be handled with care due to
  low impact strength compared to PP-B
- Weak creep rupture
  strength


Properties of R200P and B240P
CategoryTest Method UnitR200P
(Random PP)
PP-B
(Block PP)
Melt IndexASTM D792g/10min 0.20.3
Melting TempHS Method 140162
Tensile Strength(at Yield)(at Break) kg/妓270270
(at Break)230240
ElongationASTM D638% 500500
Flexural ModulusASTM D790kg/妓 8,50011,500
IzodImpact Strength23﹎ASTM D256 kg﹞cm/cmNo BreakNo Break
0﹎815
-20﹎37