1,2012 newest high quality O-RING 2 special molding method. 3, we can produce just from one ring 4, using special molding  1,2012 newest high quality O-RING2 special molding method. 3, we can produce just from one ring 4, using special moldingOur o-ring   Vulcanised O-ring using special molding method. Therefore if the inner diameter exceeds certain size we can produce just from one ring as per your order request. The mold cost is not required if there is an available mold of that particular size.Available sizeO ring thickness (unit =φ):2/2.4/2.62/3.1/3.2/3.5/3.53/4/5/5.5/5.7/6/6.35/6.98/7/8/8.4/9/9.5/10/11/12/12.7/13/14/15/16/18/20/22/25/26/28/30/32/38/40O ring inner diameter ID: 300 - (Depending on the thickness of O-ring the smallest inner diameter may change)

MaterialType I A / Type I B / Type 2 / Type 3 / Type 4 C / Type 4 D/FKM-90/CR-70/EPDM-70/R-70/HNBR-70/VMQ-50/MPB/MP4275B/MP4270W/NEXUS-217/NEXUS-708/NEXUS-FV/NEXUS-AP2 (Hardness adjustment is available.)

The forms which are used generally for vulcanization

2012 newest high quality O-RING