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Shell(core) type phenolic resin for casting
Uses: Mainly used in the manufacture of shell(core) type coated sand.
Application Characteristic: Good moldability, high thermal resistance, good gas-forming property and excellent shakeout property.
Application Guide:
This series products mainly include high-strength and fast polymerization, heat resistant types.
Package: In kraft paper bag lined with plastic bag, net wt. 25kg/bag.
Storage: Stored indoors in dry and draughty place, avoid direct sunlight, kept away from heat source. Shelf life is 6 months with temperature below 25℃.
| Items |
Product ID and Index |
| PF-575 |
PF-585 |
PF-595 |
PF-515 |
| Softening point(ball and ring method)℃ |
70--80 |
80--90 |
90--100 |
100--105 |
| Free phenol (bromination method)% |
=5.5 |
=4.5 |
=4.5 |
=4.5 |
| Fluidity(tilting plate method)mm |
60--110 |
| Polymerization speed (hot-plate method)s |
20--60 |
| Flexural strength of coated sand in normal temperature MPa |
=6.0 |
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