100% Pure Phenolic Moulding Powder , Non - Modified Phenolic Resin Chemical Resistance
Powdered Bakelite Phenolic Resin Good Fiber Adhesion for Semi-cured Blankets
Product description
Bakelite Phenolic resins Powder are produced by reacting formaldehyde with phenol under acidic conditions. In acid, the reaction forms novolac resins. These resins require a curing agent - often hexamethylenetetramine or hexa.They are not heat-sensitive. After cooled and solidified,it is milled to powder and mixed with around 8-10%of hexamethylenetetramine
Application
Phenolic novolac powders suitable for both semi-cured and fully cured blankets commonly used for climate control, structural parts and sound absorption
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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