ECP 110 is a conductive Polypropylene based on Conductive Carbon Black and Polypropylene co-polymer suitable for injection moulding and profile extrusion.
It is designed to comply with the electrical conductivity requirements laid out in Defence Standard 59 – 98 (1979) and BS IEC 61340-5-1-2007 for the protection of electronic components from electrostatic damage.
APPLICATIONS
ECP 110 is recommended for applications in which conductivity and good impact performances are required;
– profile extrusion applications such as bench edging, DIP tubes and explosives
carrying tubes are typical
– general production aids for the electronics industry
PROPERTIES
Surface Resistivity (ohms/sq) < 106 (ASTM D-257)
Specific Gravity (g/cc) 1.03
Tensile Strength (MPa) 24.0
Tensile Modulus (GPa) 1.6
Flexural Strength (MPa) 34.0
Flexural Modulus (GPa) 1.3
Impact Strength:
Charpy UN-N (KJ/m) D.N.B
D.t.u.l. 0.45 MPa (°C) 78.0
1.81 MPa (°C) 49.0
Melt Flow Index (230°C 10Kg 24.0
5Kg) 5.0
Shrinkage % 1.0-1.5
ALL PHYSICAL PROPERTIES PROVISIONAL BS 2782
RECOMMENDED PROCESSING CONDITIONS
Machine
It is recommended that an in-line reciprocating screw machine be used to injection mould ECP 110, but it is possible to process this material on plunger injection moulding machines.
Extrusion
Normal extrusion equipment should be used.
Cylinder Temperature
180 – 230 °C depending on the size and complexity of the moulding.
Moisture
It is recommended that ECP 110 be dried prior to extrusion. Excess moisture may show as an inferior surface finish. Typically 2/4 hours at 80°C is adequate. Store in a warm dry place to avoid moisture.
Use Of Regrind
Runners sprues and scrap mouldings can be reground and blended with virgin material. Regrind additions should not exceed 10% by weight of the virgin material; otherwise some reduction in properties may be experienced.
HEALTH & SAFETY
CAUTION – THIS MATERIAL IS ELECTRICALLY CONDUCTIVE
As this material does not have the insulating properties normally associated with polymers, due safety precautions must be taken in use and it is recommended that all products made from this material are suitably labelled.
Polypropylene based materials are stable at ambient and normal processing temperatures and can be processed safely in moulding and extrusion equipment at up to 325°C.
At temperatures above 330°C, slow decomposition occurs. No problems should result from normal processing, but machines containing Polypropylene based materials should not be allowed to stand idle at processing temperatures for more than a few minutes.
Molton Polypropylenes are hot enough to cause severe burns and will adhere strongly to the skin. Care is necessary in handling and decomposing of purging and to avoid any fire or fume hazard, the waste material should be cooled in water.
information in this publication and otherwise supplied to users is based upon our general experiences and is given in good faith, but because of the particulars which are outside our knowledge and control and affect the use of the product, no warranty is given or is implied with respect to such information. freedom from patent rights must not be assumed.
