Jiaxing Honing Import&Export CO,.LTD
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Bakelite Moulding Powder(PMP) are produced with with heated rollers or extruders.Treatment of a mixture of phenolic novolac resin,hexamethylenetetramine, fillers and additives leads to an intermediate, the actual moulding material. The polycondensation is driven so far that the moulding material in the final molding step can still flow, but so that the final cross-linking occurs very quickly. Especially important processing properties are good flow characteristics and rapid curing.
HONING Special purpose PMP PF2S2-941J
♦ Design for excellent dimensional stability
♦ Good slip properties
♦ Special for valve seat in gas meters
Specification:
| Physical properties | Typical value | Unit | Standard |
| Density | 1.5 | g/cm3 | ISO1183 |
| Apparent Density | 0.5 | g/cm3 | ISO60 |
| Moulding Shrinkage | 0.9 | % | ISO2557 |
| Water absorbency(24h / 23°C) | 20 | mg | ISO62 |
| Thermal properties | |||
| Temperature of deflection under load | 140 | ℃ | ISO75-2 |
| Temperature resistance | 180 | ℃ | DIN44904 |
| Mechanical properties | |||
| Flexural strength | 80 | Mpa | ISO178 |
| Charpy Impact strength | 1.55 | KJ/m2 | ISO179-1 |
| Charpy notched Impact strength | 6.5 | KJ/m2 | ISO179-1 |
| Electrical properties | |||
| Electrical strength | 10 | KV/mm | IEC60243-1 |
| Insulation resistance | 1010 | ohm | IEC60167 |
| Surface resistivity | 1012 | ohm | IEC60093 |
| Volume resistivity | 1012 | ohm*cm | IEC60093 |
| Dissipation factor(1MHz) tanδ | 0.1 | - | IEC60250 |
| Proof Tracking Index | 150 | - | IEC60112 |
Packing&Storage
the package is paper-plastics bag in 25KGS each one
The storage life of this product is 12 months in a cool and dry place in original closed bags