Qufu Kato Co.,LTD

Butyl rubber is noted for its air-retention properties. When it is used in a ball bladder, it improves air-retention capability. With the use of butyl rubber components, the air-retention ability is significantly enhanced.
B100 Bladders - 100PHR Butyl Rubber
B80 Bladders - 80PHR Butyl Rubber
B50 Bladders - 50PHR Butyl Rubber
B30 Bladders - 30PHR Butyl Rubber

Because of its magnificent air-retention capability, sports balls can maintain their shape without much air loss for a long time.

Thread winding rubber bladders for high quality soccers
Main size: 3# 4# 5# or mini size
Butyl concent: 30% 50% 80% 100%
Packing: 46*35*48cm
Origin: China
HS Code: 95066290
Production Capacity: 10000PCS/Day
Features: keep its roundness,stop over inflation,durable,not easy to deform.

Butyl bladder and rubber bladder which used in hand stitched and machine stitched soccer balls and Conveyor belt.


Kato specialized in sports balls include PVC balls rubber balls and so on. It covers 70, 000 square meters with 1, 000 skilled workers. It has three factories, rubber ball factory, PVC toy ball factory and hand sewing ball and synthetic leather factory. The annual capacity is 6 million pieces rubbers balls, 30 million pieces PVC toy balls and 2 million pieces hand sewing balls. All the products enjoy popular sales in Europe and America market.