Mechanical properties of Polypropylene, PP

Some mechanical properties of polypropylene, especially the PP-sheets, are displayed in the table below. The sheets in the MonoBlock™ heat exchanger is made of PP co-polymer. Housing details can be made of PP homopolymer and glassfibre reinforced PP, mechanical properties for these materials are not included in the table below.

 

 

Standard PP-sheets

Standard grade PP-sheet thickness
Unit
2,8 mm
3,0 mm
4,0 mm
5,0 mm
Surface Weight
g/m2 400 500 700 900
Burst Strength

Method: BS3137 1987

kPa 750 865 1430 1530
Compressive Strength

Method: BS2782 part 3/345a 1979

kPa 188 213 365 528
Flexural Modulus

Method: BS2782 part 3/335a 1978

MPa Translucent:

Talc Filled:

1026-1132

1378-2000

Thermal Expansion
10-4 mm/mm°C All standard grades:  1.05

15% Filled grades:    0.78