Crosspolimeri POLIGOM G/7 CPR EPR/HEPR/EPDM

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Crosspolimeri POLIGOM G/7 CPR EPR/HEPR/EPDM
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	POLIGOM: is the trade-mark of our crosslinkable EPR/HEPR/EPDM. POLIGOM G/7 CPR: halogen free chemically crosslinkable elastomer for low voltage cable insulation and sheathing: suitable for G7.It is a conveniently grafted compound able to react in presence of moisture and of a catalyst. We normally suggest our catalyst type MAC/100 SCU or MAC/203 (less reactive type). FOR SOLAR CABLES INSULATION WE SUGGEST TO USE CATALYST MAC/400 PS or MAC/520 PSL (less reactive); both at 7/10%. REACTION BETWEEN GRAFTING AND CATALYST: These two compounds, separately stored, must be mixed before starting extrusion in the ratio: GRAFTING/CATALYST 95/5 Certify: EN 50363-0 G7, BS 7655 GP4-GP5-GP6-GP7, HD 22.1 EI7 Information provided by Crosspolimeri S.P.A.
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Physical Properties	Original Value	Comments

Specific Gravity	0.990 g/cc	ASTM D792
Melt Flow	2.0 - 6.0 g/10 min @Load 5.00 kg, Temperature 190 °C	ASTM D1238
Storage Temperature	12.0 °C

Mechanical Properties	Original Value	Comments
Hardness, Shore A	95	ASTM D2240
Tensile Strength	>= 13.0 MPa	IEC 60811
	>= 13.52 MPa @Temperature 127 °C, Time 144000 sec	Air bomb; IEC 60811
	>= 13.91 MPa @Temperature 150 °C, Time 605000 sec	Heat Ageing; IEC 60811
Elongation at Break	>= 250 %	IEC 60811
	>= 225 % @Temperature 150 °C, Time 605000 sec	Heat Ageing; IEC 60811
	>= 257.5 % @Temperature 127 °C, Time 144000 sec	Air bomb; IEC 60811
Tensile Modulus	7.10 MPa	IEC 60811

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 4.00e+15 ohm-cm	IEC 60502
Dielectric Strength	39.0 kV/mm	ASTM D149

Processing Properties	Original Value	Comments
Zone 1	140 °C
Zone 2	160 °C
Zone 3	180 °C
Zone 4	190 °C
Die Temperature	205 °C
Head Temperature	190 °C

Descriptive Properties
Hot Set Test	0	Residual Value, IEC 811
	0.6	250°C - 20 N/cm2, IEC 811

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PCROS135 / 294219

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