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Flake Low Free Phneol Phenolic Polymer , Heat Resistance Bakelite Resin Suppliers

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Good quality Novolac Phenolic Resin for sales
Good quality Novolac Phenolic Resin for sales
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Flake Low Free Phneol Phenolic Polymer , Heat Resistance Bakelite Resin Suppliers

China Flake Low Free Phneol Phenolic Polymer , Heat Resistance Bakelite Resin Suppliers supplier

Large Image :  Flake Low Free Phneol Phenolic Polymer , Heat Resistance Bakelite Resin Suppliers

Product Details:

Place of Origin: CHINA
Brand Name: HONINGLITE
Model Number: F2223

Payment & Shipping Terms:

Minimum Order Quantity: 1000KGS
Price: Negotiation
Packaging Details: 25KGS BAG
Payment Terms: T/T, L/C, D/P
Supply Ability: 5000TONS PRT MONTH
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Detailed Product Description
Appearance: Pale Yellow Flake Package: 25kgs Bag
Free Phneol: Low Molecular Weight Distribution: Medium
Features3: Long Flow Application: Impregnating Glass Cloth

Bakelite Phenolic Resin Flake with Long Flow for Impregnating Glass Cloth in Cut-off Wheels

Product description

 

Bakelite Phenolic resins Flake are novolac resin,which is synthetic polymers formed as condensation products of phenols and aldehydes under acid catalyst.  These resins are not heat-sensitive.They require a curing agent - often hexamethylenetetramine or hexa. 

 

Application description

 

In cutting wheels and depressed center wheels, glass cloth is used to reinforce the wheel . These are referred to as reinforced grinding wheels. The glass cloth used for reinforcing the wheel is impregnated with phenolic resin. The procedure for coating this glass cloth is as follows:
The glass cloth is dipped in liquid phenolic resin, dried at 80–100℃ for 3–10 min, and after drying, is cut to the size of the wheel. The amount of the wet impregnated resin on the glass cloth is controlled from 30 to 50%.The phenolic resin for this impregnation is mainly a resin consisting of a resole mixed with a novolac. Phenolic resin is designed such that the glass cloth is not tacky when stored and the adhesion is increased between phenolic resin and the grain.

 

Specification:

 

Properties Value Test standard
Curing time @150°C 90-100s GB/T24411-2009
Flow Distance@125°C 40mm GB/T24411-2009
Free-phenol 3.5% GB/T30773-2014
Soften point 90°C GB/T24411-2009
Water content 1.1% GB/T2683-2008

 

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

 

Contact Details
Jiaxing Honing Import&Export CO,.LTD

Contact Person: Pmc

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