2. Product
3. Chemicals

Chemicals

●Flexibility Hardeners
The flexibility hardeners with the main structure HOOC-R-COOH are introduced as follows:

Chemical Name	Structure	Appearance	Equivalent (eq)	Viscosity (mPa•s/25℃)	Specific Gravity (25℃)
Long chain dibasic acid		Reddish brown liquid	290	4500	0.95
		Light yellow liquid	285	Semi-solid paste	0.95

●Flexibility Diluents
A dosage of 5-20% flexibility diluents can increase flexibility and impact resistance to improve the brittleness of epoxy resin.

Chemical Name	Structure	Appearance	Epoxy Equivalent (g/eq)	Viscosity (mPa•s)
Lauryl diglycidylether		Transparent liquid	247	5(25℃)
Polypropylene glycol diglycidyl ether		Transparent liquid	300	60(25℃)
Polytetramethylene glycol diglycidyl ether		Transparent liquid	435	192 (25℃)
			1072	955(40℃)

●Iron Oxide
With the properties of bright color, low oil absorption, good dispersibility, good coloring and concealing capabilities and good weather resistance.

Items	Color	Chemical formula	Appearance	Specific Gravity	pH	Application
1	Yellow	α-FeOOH	Acicular powder	4.0	6.5	Toner for car coating
2	Red	α-Fe2O3	Spherical powder	5.2	5.5
3	Black	Fe3O4	Spherical powder	5.0	6.5

Items	Color	Chemical formula	Appearance	SSA (m2/g)	Saturation magnetic flux density (Am2/kg)	Application
1	Brown	γ-Fe2O3	Acicular powder	15	73	Magnetic materials for printers
2	Brown	γ-Fe2O3	Acicular powder	24	72
3	Black	Fe3O4	Spherical powder	3	85

●Flame Retardant Additives
Flame-retardant additives are environment-friendly and show excellent effects.

Products	Application
FCP-6NT	Compound component, RoHS compliance.
FCP-22T	Especially used in light-colored or high-transparency epoxy resin and PC resin.