WPC Technologies Strontium Chromate 177

Identification & Functionality

CI Number

77839

Chemical Family

Chromates

Chemical Name

Strontium Chromate

CASE Ingredients Functions

Pigment

CAS No.

7789-06-2

EC No.

232-142-6

Technologies

Pigments & Colorants

Product Families

Pigments & Colorants — Functional Pigments

Corrosion Inhibiting Pigments

Features & Benefits

CASE Ingredients Features

Corrosion Resistance,

Good Surface Protection,

Low Oil Absorption

Applications & Uses

Markets

Automotive & Transportation,

Paints & Coatings,

Printing & Packaging

Applications

Paints & Coatings — Automotive & Transportation

Aerospace Coatings

Automotive & Transportation — Coatings & Finishes

Aerospace Coatings

Printing & Packaging — Packaging Coatings

Primers & Lacquers

Paints & Coatings — Packaging Coatings

Primers & Lacquers

Automotive & Transportation — Transportation

Aerospace & Aviation

Compatible Polymers & Resins

Acrylics,

Alkyds,

Epoxies (EP),

Polyesters,

Polyurethanes (PU)

Compatible Substrates & Surfaces

Aluminum,

Metal

Coating Type

Primer,

Solventborne Coating,

Solventless & High Solids Coating,

Waterborne Coating

Applications

• Solvent epoxy
• Water Epoxy
• PVB
• Alkyds
• Acrylics
• Polyurethanes
• Polyesters

Properties

Color

Yellow

Physical Form

Powder,

Solid

Appearance

Yellow powder

Typical Properties

	Value	Units	Test Method / Conditions
Strontium (SrO)	min. 48	%	-
Chromate (CrO3)	min. 46	%	-
Specific Gravity	3.75	g/cm3	ASTM D-153
Bulking Value	0.032	gal/lb	-
Bulking Value (l/kg)	0.266	gal/lb	-
Conductivity	max. 1700	micro Siemens	ASTM D-2448
Moisture (110°C)	max. 0.70	%	ASTM D-280
pH Value	7.4 - 8.8	-	ASTM D-1208
Oil Absorption	11 - 20	lbs/100 lbs	ASTM D-281
Fineness of Grind (Hegman Value)	min. 5.0	-	ASTM D-1210
Mean Particle Size	4 - 6	microns	Malvern Mastersizer
Apparent Bulk Density (Tapped)	80 - 140	g/100 cm³	-