Polymer Add (Thailand) Co., Ltd.

Fillers & Extenders

“Fillers,” “extenders” is commonly used in various industries to describe materials or substances that serve specific purposes in different applications. Here’s a brief overview of each:

Fillers:

Fillers are materials added to a product or substance to increase its volume, reduce costs, or modify its properties. They are often inert and may not significantly alter the chemical or physical characteristics of the material they are added to.

Extenders

Extenders are substances added to a material to increase its volume or extend its coverage without altering its basic properties. They are often used to enhance the performance or economic feasibility of a product.

There are basic three types of Nucleating agents,

Filler-Extender

Chemical Name CAS No. Melting Range Enquiry
Aluminum Silicate-Synthetic
12428-46-5
> 1800
Barium Sulfate
7727-43-7
> 1500
Bentonite
1302-78-9
> 1200
Dolomite
16389-88-1
> 2500
Calcined Kaolin Clay
1332-58-7
> 1700
Mica
12001-26-2
> 1300
Pyrophyllite
12269-78-2
> 1600
Sodium Aluminum Silicate (Synthetic)
73987-94-7
>1600
Talc
14807-96-6
> 1500
Sodium Sulfate ( Anhydrous)
7757-82-6
> 880
Wollastonite
13983-17-0
> 1500
Zeolite- synthetic
1318-02-1
> 1600