Shaanxi Kelong New Materials Technology Co., Ltd.
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1,Product Description
High Temperature And Wear-resistant Silicone/FKM/NBR O Ring Waterproof Rubber O Rings
Product Performance
1.Good sealing and damping.
2.Waterproof.
3.Aging resistance.
4.Ozone resistance.
5.Oil resistance.
6.Pressure
7.resistance.
8.High and low temperature resistance.
2,Material analysis
NBR
Temperature range: -30°C to 125°C Hardness: 40-90A Color: Customizable Application: Excellent oil resistance Advantages: Excellent
oil resistance and stability, widely used, affordable price
FKM
Temperature range: 20°C to 250°C Hardness: 50-90A Color: Black/brown/green, other colors can be customized Application: Excellent
oil and chemical resistance Advantages: Wear resistance, acid and alkali resistance, high temperature resistance.
SILICONE
Temperature range: 60°C to 225°C Hardness: 25-90A Color: Red/transparent (clear)/white, etc. Application: Food grade Advantages:
Good heat resistance, cold resistance, lubricating oil resistance, and water resistance.
EPDM
Temperature range: 50°C to 150°C Hardness: 40-90A Color: Customizable Advantages: Excellent ozone resistance, heat resistance,
steam resistance, cold resistance, and LLC resistance.
NR
Temperature range: -44°C to 120°C Hardness: 60-90A Color: Customizable Advantages: Excellent mechanical strength and fatigue resistance.
HNBR
Temperature range: -30°C to 160°C Hardness: 50-90A Color: Black, other colors can be customized Advantages: Excellent ozone
resistance, heat resistance, mechanical strength, and electrical resistance compared to butadiene rubber.
| KELONG Rubber O-Ring Seals | ||||
| Material | Hardness(Shore A) | Temperature | Size | |
| Standard Size | Available | |||
| NBR(Buna,Nitrile) FKM(FPM) EPDM Silicone(VMQ) HNBR EFKM PU PTFE | 60-90 70-90 60-90 10-70 60-90 70-90 90~95 60~70 | 55℃-110℃ -20℃-250℃ -45℃-150℃ 60℃-280℃ 48℃-180℃ -18℃-326℃ -40℃-90℃ -100℃-280℃ | AS-568(USA) JIS-B2401(Japan) DIN-3771(Germany) BS-1516(UK) ISO3601(International) R(France) | ID≤2000mm CS≤40mm |
| Resistance | Color | Certificate | Application | |
| Hydraulic Fluid Engine Oil Chemical Ozone Steam & Hot Water Low Temperature High Temperature | Black Brown Red Green White Blue Clear Customized | IS09001 IS014001 TS16949 RoHS REACH FDA SGS | Auto Industry Construction Machinery Machine Tool Equipment Food Health Water Treatment Chemical Processing Hydraulic Pneumatic Industrial Manufaturing | |
| Oil and Fluid Resistance of Elastomer | |||||||||
| Rubber Oil,Chemical | HNBR | NBR | EPDM | SBR | PTFE | VMQ | FKM | ACM | |
| Engine oil | SAE #30 | ◎ | ◎ | × | × | ◎ | ◎ | ◎ | ◎ |
| SAE 10W-#30 | ◎ | ◎ | × | × | ◎ | 〇 | ◎ | ◎ | |
| Gear oil | Vehicles used | ◎ | ◎ | × | × | ◎ | △ | 〇 | ◎ |
| Industrial synthetic base | ◎ | ◎ | △ | △ | ◎ | △ | 〇 | △ | |
| Auto transmission Fluid | ◎ | ◎ | × | × | ◎ | × | 〇 | ◎ | |
| Brake Fluid | DOT 3(Glycol) | × | △ | 〇 | 〇 | ◎ | 〇 | × | × |
| DOT 4(Glycol) | × | △ | 〇 | 〇 | ◎ | 〇 | × | × | |
| DOT 5 (silicone base) | ◎ | ◎ | × | 〇 | ◎ | × | 〇 | 〇 | |
| Turbine oil | 〇 | 〇 | × | × | ◎ | △ | ◎ | ◎ | |
| Mechanical oil(No.2 lubrication oil) | 〇 | 〇 | × | × | ◎ | × | ◎ | 〇 | |
| Hydraulic oil(mineral oil) | ◎ | ◎ | × | × | ◎ | △ | ◎ | ◎ | |
| Antiburn oil | Phosphate | × | × | × | × | ◎ | ◎ | △ | × |
| Water +Glycol | 〇 | 〇 | × | × | ◎ | △ | △ | × | |
| Cutting oil | ◎ | ◎ | × | × | ◎ | ◎ | ◎ | △ | |
| Grease | Mineral | ◎ | ◎ | × | × | ◎ | ◎ | ◎ | ◎ |
| Silicone | ◎ | ◎ | × | 〇 | ◎ | × | ◎ | ◎ | |
| Fluoro | ◎ | ◎ | × | × | ◎ | ◎ | × | ◎ | |
| Coolant | R12+Paraffin | ◎ | 〇 | × | × | ◎ | × | × | × |
| R134a+Glycol | 〇 | △ | ◎ | × | ◎ | × | × | × | |
| Gasoline | 〇 | △ | × | × | ◎ | × | ◎ | × | |
| Naphtha | 〇 | △ | × | × | ◎ | × | ◎ | × | |
| Heavy oil | ◎ | △ | × | × | ◎ | × | ◎ | △ | |
| Antifreeze fluid (ethylene glycol) | 〇 | 〇 | ◎ | ◎ | ◎ | △ | × | × | |
| Warm water | ◎ | 〇 | ◎ | ◎ | ◎ | 〇 | 〇 | × | |
| Salt water | ◎ | 〇 | ◎ | ◎ | ◎ | × | 〇 | × | |
| Steam | 〇 | × | 〇 | △ | ◎ | × | × | × | |
| Hydrochloric acid 10% | 〇 | 〇 | ◎ | 〇 | ◎ | 〇 | 〇 | 〇 | |
| Sulfuric acid 30% | △ | △ | 〇 | △ | ◎ | × | △ | ||
| Nitric acid 10% | △ | × | 〇 | × | ◎ | × | △ | × | |
| Sodium hydroxide 40% | ◎ | 〇 | ◎ | ◎ | ◎ | × | × | × | |
| Benzene | × | × | × | × | ◎ | × | × | × | |
| Alcohol | 〇 | 〇 | ◎ | ◎ | ◎ | 〇 | 〇 | × | |
| Methyl ethyl ketone (MEK) | × | × | × | × | ◎ | △ | × | × | |
| ◎: Excellent 〇:Fair △: Poor ×:Failure | |||||||||