Heat Resistant Novolac Polymer Powder For Composite Friction Materials, Short Flow Pf Resin Powder

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Heat Resistant Novolac Polymer Powder For Composite Friction Materials, Short Flow Pf Resin Powder

Name: Heat Resistant Novolac Polymer Powder For Composite Friction Materials Short Flow Pf Resin Powder
Brand: HONINGLITE
Price: 1 USD

Brand Name : HONINGLITE

Model Number : F5133

Place of Origin : CHINA

MOQ : 1000KGS

Price : Negotiation

Payment Terms : T/T, L/C, D/P

Supply Ability : 5000TONS PRT MONTH

Packaging Details : 25KGS BAG

Appearance : Pale yellow powder

Package : 25kg bag

Hardener : blended with Hexamine

Monomers : Phenol and Formaldhyde

Flow : Short

Application : Frictions and abrasives

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Fast Curing Novolac Phenolic Resin Powder for Friction Materials

Product description

An acidic catalyst and a molar excess of phenol to formaldehyde are conditions used to make novolac resins.The final novolac resin is unable to react further without the addition of a cross-linkinThe most common phenolic resin cross-linking agent is hexamethylenetetramine, also known as hexa, hexamine, or HMTA. Ground and blended with the resin.

Application

Novolac Phenolic Resin Powder is the choice for composite friction materials: the pads, blocks, linings, discs and adhesives used in brake & clutch systems that create retarding or holding forces with application against a moving part. The inherently heat resistant phenolic resin carbonizes and chars at extreme service temperatures, it does not melt and smear like other polymer matrices. This property results in restored friction properties when the material cools and "recovers" from hard braking.

Specification:

Properties	Value	Test standard
Curing time @150°C	30-50s	GB/T24411-2009
Flow Distance@125°C	30-40mm	GB/T24411-2009
Free-phenol	2.0-2.5%	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 . Fast Curing Novolac Phenolic Resin Powder for Friction Materials

Product Tags:

phenolic resin

hard plastic resin

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