Whitmore® Crush-Bac™

Crush-Bac is a solvent-free, two-part epoxy backing compound designed for backing liners and wear parts in crushers, grinding mills, and other heavy machinery used in mining and crushed aggregate operations. Crush-Bac is highly resistant to caustics, acids, oils, solvents, and other chemicals that might be introduced during milling operations. Coverage is 601 cubic inches (9,849 cubic cm) - 77% more volume than leading competitors, saving you time and money.

IDEALLY USED FOR:

Smoothing Alignment Errors
Eliminating the Formation of Gaps between Backing and Liners or Support Structures
Void Filling
Vibration Reduction
Reinforcement
Noise Dampening
Friction Elimination
Maximizing Equipment Efﬁciency and Prolonging Operational Life

specifications

Product Whitmore® Crush-Bac™
Type Two-Part Epoxy Backing Compound
Grade Part 1 (Resin): 16,000 cP / Part 2 (Hardener): 12,000 cP
Packaging
KIT - Part 1 Resin - 2 GAL PAIL Part 2 Hardener - 3.5 GAL PAIL (22 lbs. net wt. (10 kgs. net wt.)

Crush-Bac Guide

Nordberg Primary Gyratory Crushers

Crusher Size	HD 42-70	HD 54-80	HD 60-102
Mantle	13.5	22	27.75
Concave	39	67.5	100

Nordberg Water Flush Systems

Crusher Type	WF 500	WF 800
Mantle	3	4.5
Bowl	8	22.75
Bowl - using filler blocks	-	11.5

Symons Cone Crushers

Crusher Size	24"	36"	48"	51"	60"	66"	84"
Standard Cone Crusher
Mantle	0.5	1.5	2	2.25	2	4.25	6.75
Bowl Liner	0.5	1	2	2.5	3	4.25	8.5
Short-Head Cone Crusher
Mantle	0.5	1	1.25	1.25	1.5	2	3.75
Bowl Liner	0.5	1	1.75	1.5	3	3.5	5

Telsmith Gyrasphere Crushers

Crusher Size	24	36	367	48	489	66	6614	1100	1100SX	1300	1500	1500SX
Style S
Mantle	1	1.25	1.25	2.5	2.5	2.25	5.5	1.25	1.25	2.25	3	3.5
Concave Ring	0.5	1	1	2.25	2.25	3.25	10	-	-	-	3	-
Medium								2.5	2.5	-	-	3.5
Coarse								2.25	2.25	2.25	-	3
Style FC
Mantle	1	1.25	-	1.25	-	5.5	-	1.25	-	-	3	-
Concave Ring	0.5	1	-	2	-	6.75	-	-	-	-	3	-
Medium								2.25	-	-	-	-
Coarse								1.75	-	-	-	-

Allis-Chalmbers Crushers

Crusher Size	13-36	16-50	24-60	30-55	30-70	36-55	42-65	48-74	54-74	60-89	60-109
Superior
Mantle	3	9.75	10.25	9	13.5	15.25	21	26	26	37.5	51
Concave	3	14.75	23.25	27.25	26	39.75	53.75	62.25	98	107.5	124.5

Crusher Size	36"	45"	51"	60"	84"
Hydrocone
Mantle	0.5	2.5	3	3.5	12.5
Concave	-	5	8	20.5	24.5

El-Jay Rollercone Crushers

Crusher Size	36" Standard	36" Fine Head	45" Standard	45" Fine Head	54" Standard	54" Fine Head
Mantle	0.5	0.5	1	1	1.25	1.25
Bowl Liner	1	1	1.75	1.75	2.25	2.25

Pioneer Cone Crushers

Crusher Size	48" Standards	48" Fine Head	54" Standard	54" Fine Head
Mantle	1.75	1.25	2.25	1.25
Bowl Liner	1.75	1.25	2.25	1.25

Traylor "TY" Crushers

Crusher Size	15"	20"	28"	36"	48"	66"
Mantle	0.25	0.5	1	1.5	4.25	6.5
Concave	0.5	1.25	3.25	4.25	10.75	18.75

Traylor "TC" Crushers

Crusher Size	30"	36"	42"	48"	54"	60"
Mantle	10.25	14.25	16.5	26	29	32.25
Concave	18.25	32.25	39	51.5	64.5	90.5

Quantities listed are for estimation purposes. Requirements will vary depending on the type of liners used.

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