Benefits of PB-1 for pressure piping systems
What does a higher SDR class mean in practice?
- Get to know Polybutene-1 for use in pressurized hot and cold water pipe systems
- Learn about the extraordinary characteristics of this most technically advanced thermoplastic material
- What are the benefits of using PB-1 in piping systems versus alternative thermoplastic materials?
Opportunities to reduce the operational costs over the lifetime of a piping system
The following table illustrates the physical, mechanical and thermal properties of Polybutene-1. The values shown are typical mid-range figures and should not be considered as a specification - in fact, several different grades of Polybutene-1 are produced with properties tailored to satisfy different applicational requirements.
PB R 509
|Melt Flow Rate MRF 190°C/2.16 kg||ISO 1133||град./мин||0.4||0.7|
|Hardness Shore D||ISO 868||-||60||60|
|Tensile strength at yield||ISO R 527||MPa||20||18|
|Tensile strength at break||ISO R 527||MPa||35||38|
|Elongation at break||ISO R 527||%||300||330|
|Flexural Elastic Modulus||ISO R 173||MPa||450||330|
|Notched Impact Strength at 20°C||ISO 180||kJ/m2||20||65|
|Notched Impact Strength at 0°C||ISO 180||kJ/m2||7||25|
|Melting temperature range||DSC (a)||°C||127-129||124-126|
|Vicat Softening Temperature||ISO 306||°C||120||117|
|Coefficient of linear thermal expansion||ASTM D696||мм·м⁻¹·К⁻¹||0.13||0.13|
|Thermal conductivity (30-70°C)||ASTM E1530||Вт·м⁻¹·К⁻¹||0.19||0.19|
|Glass transition temperature||DMTA (б)||°C||-16||-18|
(Sand Slurry Test, 23°C, 100h)
(a) Differential Scanning Calorimetry
(b) Dynamic Mechanical Thermal Analysis
Polybutene is not sold by PBPSA members for use in pipe applications intended for use in North America, and those parties require their customers or distributors not to sell products made from Polybutene into pipe applications for North America.