1	Little to Minor Effect, 0 to 5% Volume Swell
											2	Minor to Moderate Effect, 5 to 10% Volume Swell
											3	Moderate to Severe Effect, 10 to 20% Volume Swell
											4	Not Recommended
											-	No Data Available
					PRECISION ROLLER COVER MATERIALS
	RATING:	O--Outstanding      E--Excellent          VG--Very Good     G--Good      F--Fair     P--Poor
MECHANICAL RESISTANCE:		60B15	50F18	17A40	18F25	30B35	27U15	Hydrin	19C30	10A40	Fluorosilicone	40A20	HNBR	Tyrin	TFE/P	Kalrez	10056
Hardness Range		15-100	18-100	40-100	25-80	35-95	15-100	50-90	30-100	40-95	50-80	20-75		60-90			56-83
Tensile Strength (psi)		1100-2200	400-1500	1700	>2000	>1200	3-5000	2500	>3000	1200-2500	>1500	200-250		>3000	2500		1.5-3000
Tensile Strength		E	VG	VG	VG	F	O	E	O	E	G	P	E	O	E		O
Specific Gravity		1.13-1.57	1.12-1.26	1.49	0.98-1.30	1.14-2.05	1.02-1.20	1.27-1.36	1.09-1.4	1.07-1.31	1.30-2.20	1.25-1.40		1.16-1.32			1.8-1.95
Tear Strength (pli)		200-300	34-170	230						80-270		15
Tear Strength		G	F	G	F	P*	E	F	G	VG	P*	F	G	F			F
Cut Resistance		G	F	F/G	F	P*	E	F/G	G	F	P*						F
Max. Service Temp. °F		200	275	250	300	400+	212	250	212	250	350	225-250	300	275	450	600	425+
Ozone Resistance		F/G	P	E	E	E	E	O	P	G	E	E	E	E	G		E
Compresion Set		G	F/G	F	G	E	F/G	F	F	E	G	P	G	G			G
Abrasion Resistance		G/E	F	G	F	P*	E	F	G/E	VG	P*	F	E	G			F
Heat Build Up		E	P	P/F	F/G	G/E	E	F/G	E	F	G/E						F
CHEMICAL RESISTANCE:
	Lubricating Oils (Petro.)	2	1	2	4	4	2	1	4	4	1	3	4	-	-	1	1
	Fuel Oil	2	1	2	4	4	2	1	4	4	1	1	1	-	-	1	1
	Diesel Oil	3	1	3	4	4	3	1	4	4	1	1	1	-	2	1	1
LACQUER SOLVENTS:
	Paint Thinner	4	4	4	4	4	4	-	4	4	2	2	4	-	-	1	1
	Lacquer	4	4	4	4	4	4	4	4	4	4	1	4	-	4	1	4
CHLORINATED SOLVENTS:
	Methylene Chloride	4	4	4	3	4	4	-	4	4	2	4	-	4	2	1	2
	Methyl Chloride	4	4	4	3	4	4	-	4	4	2	3	4	-	-	1	1
	Trichloroethylene	4	4	4	4	4	4	4	4	4	2	4	3	4	4	1	1
PLASTICISERS:
	Dioctyl Phtalate (DOP)	4	3	4	2	3	4	4	4	4	2	2	-	-	2	1	1
	Dibutyl Phthalate	4	4	4	2	2	3	4	4	4	3	2	4	4	-	1	1
KETONES:
	Methyl Ethyl Ketone (MEK)	3	4	4	1	4	4	4	4	4	4	4	-	-	4	1	4
	Acetone	3	4	2	1	3	4	4	3	3	4	3	4	1	4	1	4
	Cyclohexanone	4	4	4	2	4	4	4	4	4	4	2	4	4	2	1	4
AROMATICS:
	Kerosene	2	1	3	4	4	1	1	4	4	1	2	1	2	1	1	1
	Xylene	4	4	4	4	4	4	4	4	4	1	2	4	4	3	1	1
	Toluene	4	4	4	4	4	4	4	4	4	2	3	4	4	4	1	1
ALIPHATICS:
	Hexane (HX)	2	1	2	4	4	2	1	4	4	1	1	1	2	-	1	1
	Gasoline	3	2	3	4	4	2	1	4	4	1	1	1	3	2	1	1
ESTERS:
	Cellosolve Acetate (CAC)	4	4	4	2	4	4	-	4	4	4	2	4	-	-	1	4
	Ethyl Acetate	3	4	4	2	2	4	4	4	4	4	3	-	3	4	1	4
	Isopropyl Acetate	4	4	4	2	4	4	-	4	4	4	2	4	-	-	1	4
ETHERS:
	Nitrobenzene (Pet. Ether)	2	1	3	4	4	2	-	4	4	1	1	1	3	-	1	1
	Benzine (Ligroin)	2	1	3	4	4	2	-	4	4	1	1	-	-	-	1	1
	Monomethyl Ether	3	1	2	4	1	-	-	4	4	1	2	-	-	-	1	4
	Methyl Ether	3	1	3	4	1	-	-	4	4	1	2	1	-	-	1	4
	Dimethyl Ether	3	1	3	4	1	-	-	4	4	1	2	1	-	-	1	4
	Fluorinated Cyclic Ethers	4	-	-	1	-	-	-	4	4	-	-	-	-	-	2	-
GLYCOLS:
	Diethylene Glycol (DEG)	1	1	1	1	2	4	1	1	1	1	1	-	1	-	1	1
	Glycols	1	1	1	1	1	4	1	1	1	1	1	1	-	-	1	1
OILS:
	Animal Fats	2	1	2	2	2	1	1	4	4	1	4	1	-	-	1	1
	Vegetable Oils	3	1	2	3	2	-	1	4	4	1	4	1	-	-	1	1
	Wood Oil	2	1	3	4	4	3	-	4	4	2	2	-	-	-	1	1
ACIDS:
	Hydrofluoric Acid (Conc.) Cold	4	4	1	3	4	3	-	4	4	4	4	-	1	1	1	1
	Sulfuric Acid (Dilute)	2	3	1	2	4	3	2	3	3	3	1	-	1	1	1	1
	Nitric Acid (Dilute)	2	4	1	2	2	3	4	4	4	2	4	-	1	2	1	1
	Hypochlorous Acid	4	4	4	2	-	-	2	2	4	-	4	4	-	-	1	1
ALCOHOLS:
	Isoproyl Alcohol	2	2	1	1	1	3	1	1	2	2	1	2	-	-	1	1
	Metyl Alcohol	1	1	1	1	1	4	2	1	1	1	2	1	1	1	1	1
	Naphtha	3	2	4	4	4	2	1	4	4	2	2	2	1	-	1	1
	Water	1	1	1	1	1	3	1	1	1	1	4	1	-	1	1	1
	Varnish	4	2	4	4	4	3	-	4	4	2	1	2	-	-	1	1
	Turpentine	4	1	4	4	4	4	1	4	4	2	2	1	3	3	1	1
	Glue	1	1	1	1	1	1	1	2	2	1	4	-	-	-	1	1
	Anilina	4	4	3	1	4	4	4	4	4	3	4	-	2	1	1	1
	Soda Ash	1	1	1	1	1	-	1	1	1	1	4	1	1	-	1	1
	Pickling Solution	4	4	2	3	4	4	4	4	4	4	4	-	-	-	1	1
	RATING:	1	Little to Minor Effect, 0 to 5% Volume Swell								O	Outstanding
		2	Minor to Moderate Effect, 5 to 10% Volume Swell								E	Excellent
		3	Moderate to Severe Effect, 10 to 20% Volume Swell								VG	Very Good
		4	Not Recommended								G	Good
		-	No Data Available								F	Fair
											P	Poor