'Jonson' is a manufacturer and exporter of Rubber Transmission Belts, Conveyor Belts and Rubber Sheets in India.

Constructional Features of Jonson Rubber Transmission Belts -

Width :	25mm to 1200 mm
Length :	100 mtr Roll length
Fabrics :	Hard cotton ducks/soft cotton ducks/synthetic fabrics
Plies :	2 plies to 12 plies
Type of edges:	Cut edges and round/ folded edges
Colours :	Beige, grey, camel, yellow, black and other colours as per customer requirement

National/ International Standards followed :
1. Research & Designs Standards Organisation (RDSO) EL/TL/44/1986
2. Bureau of Indian Standards (BIS) IS 1370-1993

3. National/International customers/ individual specifications.

Special features of Jonson transmission belts :
1. Uniformity in Thickness & Width
2. Higher longitudinal & transverse strengths
3. Higher levels of adhesion
4. Controlled elongation
5. Lighter in weight thus consuming less power
6. Improved resistance to flex fatigue test.
7. Available in variety of colours

Minimum Pulley Diameters (MM) for given belt speeds and belt plies

No. of plies(Cotton fabrics)	Maximum belt speed
	10 (mtr/sec)	15 (mtr/sec)	20 (mtr/sec)	25 (mtr/sec)	30 (mtr/sec)
3	90	100	112	140	180
4	140	160	180	200	250
5	200	224	250	315	355
6	250	315	355	400	450
7	355	400	450	500	560
8	450	500	560	630	710
9	560	630	710	800	900
10	630	710	800	900	1000


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