Product Details:
Payment & Shipping Terms:
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| Appearance: | Pale Yellow Powder | Package: | 25kg Bag |
|---|---|---|---|
| Free Phenol: | Low | Molecular Weight Distribution: | Narrow |
| Features1: | Improved Toughness | Features2: | Improved Heat Resistance |
| Features3: | Reduced Noise And Judder | ||
| High Light: | rosin modified phenolic resin,terpene phenolic resin |
||
Novolak resins 5181 are produced by reacting formaldehyde with phenol under acidic conditions and modified with Melamine to improve the heat resistancde .
After cooled and solidified,it is milled to powder and mixed with around 10%of hexamethylenetetramine.
Novolak resins 5183 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
Contact Person: Mr. David Zhang
Tel: +86 573 8251 2625
Fax: 86-573-8332-9500
