Payment & Shipping Terms:
|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|
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
|Curing time @150°C||30-60s||GB/T24411-2009|
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
Q1: Are you a trader or manufactuer?
We are the manufactuer
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
Q3: Could you provide samples for testing
Yes, We can provide sample for free but the buyer need to pay for the shipping cost