Synthetic Powder Bakelite Phenolic Resin Short Flow Wear Resistant For Cut - Off Wheels
Bakelite Phenolic Resin Powder with Short Flow for Cut-off Wheels
Product description
Bakelite Phenolic resins Powder are synthetic polymers obtained by the reaction of phenol with formaldehyde under acidic condition .It is novolac resin and milled into powder and re-mixed with Hexa. These resins require a curing agent often hexamethylenetetramine or hexa.
Application
Bakelite Phenolic resins Powder are suited to both cold and hot compression molding for the production of a range of cut-off wheels, including those utilizing glass fabric prepregs for reinforcement.Powdered resins with a short flow and low hexamine content give good cutting properties
Specification:
| Properties | Value | Test standard |
| Curing time @150°C | 90-110s | GB/T24411-2009 |
| Flow Distance@125°C | 35-45mm | GB/T24411-2009 |
| Free-phenol | 0.5-1.5% | GB/T30773-2014 |
| hexa content | 8-10% | ZJHM-QESP-01-2015 |
| Water content | 0.5-2.0% | GB/T2683-2008 |
| Screening 200mesh/0.074mm | 99% | GB/T24411-2009 |
Packing&Storage
the package is paper-plastics bag in 25KGS each one
The storage life of this product is several months in a cool and dry place in original closed bags
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