Flaky Nitrile Rubber Modlifed Phenolic Resin for Friction Materials
Product description
Novolac resins 4181 are produced by reacting formaldehyde with phenol under acidic conditions and modified with Nitrile Rubber to improve the Flexiability .
After cooled and solidified,it is milled to powder and mixed with around 10%of hexamethylenetetramine.
Novolak resins 4183 is recommended for the production of friction materials(disk pads,brake linings and
clutch facings)required reduced noise and judder,and improved impact strength
● Low free phenol
● Improved toughness
● Improved heat resistance
● Reduced noise and judder
Specification:
| Properties |
Value |
Test standard |
| Curing time @150°C |
30-60s |
GB/T24411-2009 |
| Flow Distance@125°C |
20-40mm |
GB/T24411-2009 |
| Free-phenol |
0.5-1.5% |
GB/T30773-2014 |
| hexa content |
7-9% |
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 in 25KGS paper-plastics bag
The storage life of this product is several months in a cool and dry place in original closed bags
FAQ
Q1: Are you a trader or manufactuer?
We are the manufactuer
Our advantage:
R&D team offer Complete technical support
a long-term and reliable supplier
Superior-quality materials offered at competitive prices
Q2: Could you make the bag marking as I request?
The bag marking is customized. You can decide the brand name, product name, contact information and so
on.
Q3: Could you provide samples for testing
Yes, We can provide sample for free but the buyer need to pay for the shipping cost
Product Tags:
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Flaky Nitrile Rubber Modlifed Phenolic Resin Wear Resistance For Friction Materials Images
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