Abrasives

Removal of scale, rust and other deposits.

Application

Finished Product

Grade

Size

Arc Height

Grit Size

Grit Finish

blasting of small ferrous & non-ferrous work & machining parts; removal of very light scale

.002

.004

G-120

very light etch- matte or satin

blasting of relatively small ferrous and non-ferrous castings; removal of light scale from forging & heat treated parts; blasting of machined parts; removal of mill scale, rust and other deposits.

fine, smooth shot finish; excellent coverage

S-70

S-110

S-170

.007

.011

.017

.004 to .007 A

.007 to .011 A

.012 to .015 A

G-80

G-50

G-40

medium etch

blasting of gray iron, ductile iron, light steel castings, medium forgings, heat treated parts and heavy mill scale, rust and other deposits.

medium, light shot finish; good coverage

S-230

S-280

S-330

.023

.028

.017

sharp etch

.016 to .019 A

.020 to .024 A

.024 to .028 A

G-25

blasting of steel, ductile iron and gray iron castings; removal of scale from large billets, slabs - rust & other deposits.

average to heavy shot finish; average coverage

S-390

S-460

S-550

.039

.046

.055

.007 to .011 C

.012 to .016 C

G-18

G-16

G-14

deep etch rough

heavy steel castings; removal of tough heavy scale

rough coverage; adequate for most applications

S-660

S-780

.066

.078

G-12

very rough