Raw Material

Our Rubber NBR Grommet compound from world class suppliers or domestic NBR rubber supplier and customized pantone code is available, hardness from 30 to 90 Shore A.

Size

Standard size with our current mold or customized according to your sample or drawing( 2D, 3D drawing , format STP, DWG, PDF , etc)

Quality and Certificate

We execute ISO9001 quality system and our Rubber NBR Grommet With Hole has passed ROHS/Reach/WARS certificate.

Mold and tooling

In house tool making and free of tooling charge for standard rubber grommet, the mould parting line will be sent to customer confirmation.

Management and quality tracking: Strict material traceability under ERP system.

Rubber NBR Grommet process flow

PO confirm---Develop mold according to drawing or sample---Develop chemical formula according to specifications---Mix the raw material as per formula---Prepare and Install the mold on the machine---Preform the rubber compound---Put the compound into mold and vulcanization with certain temperature and pressure---After a while, remove the goods from the mold---Trimming the flash---Inspection---Packing---Shipping

Small MOQ: there’re variety Rubber NBR Grommet in stock, so mini MOQ is acceptable.

Function: protect cable

Payment: T/T, L/C, Credit card. USD, RMB ,Euro and so on other currency is available.

Trade Term: EXW, FOB, CIF etc

Package: poly bag and carton(40*32*25CM). If you need pack by pallet or other customized package, it’s also ok.

Shipping method: By air, by sea, by express, multi-modal transport

1, Hole seal: common V ring, U ring, Gretel ring, combined sealing ring, etc.

Use V-rings for holes

The holes are greyed

Use U-rings for holes

Combined sealing ring V-ring commonly used heavy duty hydraulic cylinder, reliable sealing, generally need to be installed back-to-back in pairs, open groove, the guide element of this type of sealing ring is generally copper sleeve. (See below) U-ring is the most widely used, many engineering cylinders and hydraulic cylinders are used in this type of seal. The seal is reliable. Open grooves can be used as well as closed grooves, and many of the guide elements are guide belts. (See picture below)

Glade ring is generally used in the internal leakage requirements are not too high occasions, because this kind of sealing ring sealing slip ring material mostly uses PTFE+40% copper powder, this kind of material under low pressure its internal leakage value is larger, the higher the pressure the sealing effect is better. Servo cylinder is generally used this type of seal ring. Most of the guide elements adopt guide belt. (see the picture below) there are many types of combined seal ring, many manufacturers are designed to imitate the DAS seal ring of Baose xia board company. Generally, the structure and size of the cylinder are compact, the seal ring with a guide element, and after using this seal ring, you can no longer increase other guide elements.

2, Dust ring: common double action dust ring and single action dust ring.

The stern seal

U-shaped coil

V-ring double acting dustproof ring (generally for polyamine lipid material) is also double acting dustproof ring (combined), O-ring material is butadiene rubber, sealing ring material is generally PTFE+40% copper powder.

This is a very common single action dust ring, used in general.

This is a kind of dust ring with a skeleton, PARKER has a kind of AF skeleton dust ring, used in the extreme environment. Stefon: This seal ring is widely used, generally used as the first seal in the piston rod sealing system (that is, the main seal), this seal ring oil return (that is, the leakage of the past oil in the piston rod retraction can be brought back) is very good. (generally need to be used in combination with other sealing rings)

U-ring: This seal ring can be used alone, in the system working pressure is not more than 20MPa can be used alone, more than 20MPa used alone generally need to increase the retaining ring. Can also be used as a secondary seal, the front of a Stetter seal, as the main seal. V-ring: its use is similar to the V-ring for the hole. It needs to use an open groove, and the guide element is generally copper sleeve. Dustproof ring: there are two main points to pay attention to in the selection of dustproof ring. One is to choose according to the selection of shaft seal, and the other is to choose according to the working environment. There are several common piston rod sealing combinations: A. Stefon +U ring + single action dust ring

3, O ring: generally used as a static seal, such as working pressure more than 20MPa, generally need to increase PTFE material retaining ring.

4, shaft seal: common V ring, U ring, Staifeng and so on.