PRODUCTS
Polyrod
Polyrod is a solid, round, profiled VIRO™ fiber that is available in different
diameters as well as surface effects. Some of the most common dimensions for
Polyrod are:
2mm, 2.2mm, 2.7mm, 3mm, 4mm
Polypeel
Polypeel is a semi-circular, profiled VIRO™ fiber. Polypeel is available in
three standard profiles: Flat Oval Peel (semi-circular); Half Moon Peel
(crescent); and Oval-Oval Peel (almond-shaped). Some of the most common
dimensions for Polypeel are:
4mm, 5mm, 6mm, 7mm, 8mm, 12mm
Polystrap
Polystrap is a flat, rectangular-shaped VIRO™ fiber. Some of the most common
dimensions for Polystrap are:
6mm, 7mm, 8mm, 10mm, 12mm
Mechanical and Physical Property Specifications of Polyrod and Polypeel
The mechanical and physical properties of POLYROD and POLYPEEL have been tested
by the Sentra Teknology Polimer (Polymer Technology Center), Indonesia and the
Productivity and Standard Board (PSB), Singapore in accordance with the test
methods issued by American Society for Testing and Materials (ASTM) and the
International Organization for Standardization (ISO).
The mechanical and physical properties of POLYROD and POLYPEEL have ben tested
as follows:
MECHANICAL PROPERTY
| TYPE OF TEST |
VALUE |
UNIT |
TEST METHOD |
| Tensile strength |
33.44 |
MPa |
ASTM D638 - 98 |
| Elongation at break |
772.6 |
% |
ASTM D638 - 98 |
| Tensile modulus |
957 |
MPa |
ASTM D638 - 98 |
| Yield stress |
24.55 |
MPa |
ASTM D638 - 98 |
| Charpy impact strength |
84.80 |
KJ/m2 |
ISO 179 - 97 |
| Shore D hardness (1 second) |
67.8 |
|
ASTM D 2240 - 95 |
| Shore D hardness (15 second) |
58.3 |
|
ASTM D 2240 - 95 |
| Vicat softening point (50 N load) |
84.25 |
oC |
ASTM D 1525 - 95 |
| Flexural modulus |
2,036 |
MPa |
ASTM D790 - 98 |
| Flexural strength |
29.24 |
MPa |
ASTM D790 - 98 |
| Compressive strength |
169.7 |
MPa |
ASTM D695 - 96 |
| Yield stress (compressive) |
48.91 |
MPa |
ASTM D695 - 96 |
| Heat deflection temperature (Heating rate: 120 oC/hour |
46.4 |
oC |
ASTM D648 - 96 |
| Glass Transition Temperature |
-95 |
oC |
Differential scanning Calorimetric
analysis (DSC) |
Coefficient of thermal expansion
(30 - 60 oC)
(100 - 113 oC) |
108
750 |
10-6/K
10-6/K |
ASTM E831 - 93
ASTM E831 - 93 |
PHYSICAL PROPERTY
| PROPERTY |
VALUE |
UNIT |
TEST METHOD |
| Density |
0.9545 |
g/cm3 |
ASTM D792 - 98 |
| Flammability (burning rate of sample) |
19.9 |
mm/min |
ASTM D635 - 98 |
| Water absorption |
51 |
ppm weight |
ASTM D570 - 95 |
Chemical resistance (change in weight)
| b. |
Swimming pool water (pH 7.1) |
| c. |
2 % detergent (pH 7.6) |
| e. |
5 % NH4OH (ammonium hydroxide) |
|
|
|
ASTM D543 - 95 |
Chemical resistance (change in volume)
| b. |
Swimming pool water (pH 7.1) |
| c. |
2 % detergent (pH 7.6) |
| e. |
5 % NH4OH (ammonium hydroxide) |
|
|
|
ASTM D543 - 95 |
|
