Silicone Tires / Rollers

Silicone Rubber Tires / Rollers Standard Dimensions Range

This tire drawing shows the inside diameter (i.d.) and outside diameter (o.d.)

Outside Diameter (mm)	Width (mm)	Inside Bore Diameter (mm)	Shaft Diameter
8 to 250	5 to 650	6 to 200	5% to 15% bigger than bore diameter

Bore size relative to shaft size is dependent on the tire wall thickness and the tire width.

Silicone Rubber Tires / Rollers Standard Physical Properties

Calendered Materials
Material	S18	S46	S15	S1	S22
Hardness° Shore A	40	55	60	65	80
Tensile Strength MPA	8	7	5	7	9
Specific Gravity	1.1	1.18	1.16	1.22	1.4
Elongation @ Break %	500	500	180	300	200

Liquid Castable Grades
Hardness° Shore A	5	20	30	40	50	60	70
Tensile Strength MPA	2	5	8	9	10	10	10
Specific Gravity	1.05	1.09	1.13	1.13	1.14	1.14	1.14
Tear Strength KN/ml	7.5	28	20	33	45	49	49
Elongation @ Break %	675	900	850	770	630	460	470

All the above materials are available with a 27° Shore A S47 silicone high coefficient of friction coating.