{"id":29417,"date":"2024-03-05T12:09:45","date_gmt":"2024-03-05T11:09:45","guid":{"rendered":"https:\/\/nh-oring.de\/?p=29417"},"modified":"2025-05-07T12:07:56","modified_gmt":"2025-05-07T10:07:56","slug":"flange-gasket-6","status":"publish","type":"post","link":"https:\/\/nh-oring.de\/en\/flange-gasket-6\/","title":{"rendered":"10 questions: O-ring bearing"},"content":{"rendered":"\t\t
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10 questions: O-RING bearing<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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TABLE OF CONTENTS<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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#1<\/span> How to store O-rings in the long term?<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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#2<\/span> How do you check O-rings for damage?<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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#3<\/span> How to avoid O-ring ageing?<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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#4<\/span> How do temperatures affect the O-ring bearing?<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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#5<\/span> How to protect O-rings from UV radiation?<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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#6<\/span> How to clean O-rings before installation?<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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#7<\/span> How to pack O-rings for storage?<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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#8<\/span> How do you control the humidity during O-ring storage?<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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#9<\/span> How do you recognize wear on O-rings?<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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#10<\/span> How do you determine the expiration date of O-rings?<\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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#1<\/span> How to store O-rings in the long term?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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For long-term storage of O-rings, it is essential to keep them in a clean, dry environment away from direct sunlight and sources of ozone. <\/p>\n

The ideal storage temperature is between -15\u00b0C and +30\u00b0C. O-rings should be stored flat and without stretching or compression to avoid deformation. The use of airtight containers made of polyethylene or similar materials can provide additional protection. <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Criterion<\/strong><\/th>\nDescription<\/strong><\/th>\n<\/tr>\n<\/thead>\n
Storage location<\/td>\nCool, dry, protected from sunlight<\/td>\n<\/tr>\n
Positioning<\/td>\nFlat, without tension<\/td>\n<\/tr>\n
Ambient conditions<\/td>\nAvoid sharp objects, chemicals and materials that could attack the rubber<\/td>\n<\/tr>\n
Inspection<\/td>\nRegular inspection for cracks or damage<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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REQUEST O-RINGS QUICKLY AND EASILY?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Almost any dimension available<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Offer received in record time<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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No minimum order quantities or minimum item values<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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One contact for all concerns<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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#2<\/span> How do you check O-rings for damage?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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O-rings should be checked regularly for damage to ensure that they can fulfill their sealing function. <\/p>\n

Start with a visual inspection by examining the O-ring for cracks, cuts or signs of wear. Then feel carefully along the entire O-ring to identify any irregularities or surface defects. <\/p>\n

It is also important to look for hardening or discoloration that could indicate chemical damage or aging. If damage is detected, the O-ring should be replaced to prevent leaks or other malfunctions. <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Exam type<\/strong><\/th>\nDescription<\/strong><\/th>\n<\/tr>\n<\/thead>\n
Visual inspection<\/td>\nSearch for cracks, cuts and signs of wear<\/td>\n<\/tr>\n
Tactile inspection<\/td>\nFeeling for irregularities or surface defects<\/td>\n<\/tr>\n
Condition assessment<\/td>\nTesting for hardening and discoloration as indicators of chemical damage or aging<\/td>\n<\/tr>\n
Recommended action<\/td>\nReplace if damage is detected to prevent leaks or malfunctions<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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#3<\/span> How to avoid O-ring ageing?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The ageing of O-rings can be minimized by storing them correctly and protecting them from harmful environmental conditions. <\/p>\n

Important measures include storage at controlled temperatures, protection from ozone and UV light by storing in dark, airtight containers and avoiding contact with harmful chemicals. Regular inspections help to detect signs of wear or damage at an early stage. <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Factor<\/strong><\/th>\nRecommendation<\/strong><\/th>\n<\/tr>\n<\/thead>\n
UV protection<\/strong><\/td>\nDark, airtight containers<\/td>\n<\/tr>\n
Ozone<\/strong><\/td>\nKeep away from ozone sources<\/td>\n<\/tr>\n
Chemicals<\/strong><\/td>\nNo contact with harmful chemicals<\/td>\n<\/tr>\n
Inspection<\/strong><\/td>\nRegular inspection for damage or wear<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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#4<\/span> How do temperatures affect the O-ring bearing?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Temperatures have a considerable influence on the O-ring bearing. Excessively high temperatures can accelerate the ageing of the material, make it softer or even cause it to become brittle. <\/p>\n

Temperatures that are too low, on the other hand, can lead to hardening and embrittlement of the material, resulting in a loss of elasticity. The optimum storage temperature for most O-ring materials is between -15\u00b0C and +30\u00b0C in order to preserve their physical properties and performance. <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Temperature range<\/strong><\/th>\nEffect on O-rings<\/strong><\/th>\n<\/tr>\n<\/thead>\n
Above +30\u00b0C<\/td>\nAccelerated ageing, loss of plasticizer<\/td>\n<\/tr>\n
Below -15\u00b0C<\/td>\nHardening, cracking possible<\/td>\n<\/tr>\n
-15\u00b0C to +30\u00b0C<\/td>\nOptimal conditions for storage<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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#5<\/span> How to protect O-rings from UV radiation?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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O-rings must be protected from UV radiation, as this can damage the material and cause it to age prematurely. Storage in a dark, opaque container or room is essential to prevent UV damage. <\/p>\n

Containers made of materials that block UV rays can be used specifically for storage. In addition, it makes sense to store O-rings indoors where UV exposure is minimal. <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Protective measure<\/strong><\/th>\nDescription<\/strong><\/th>\n<\/tr>\n<\/thead>\n
Dark storage<\/td>\nAvoid direct sunlight<\/td>\n<\/tr>\n
UV-blocking containers<\/td>\nContainers that do not allow UV rays to pass through<\/td>\n<\/tr>\n
Indoor storage<\/td>\nMinimal UV exposure<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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#6<\/span> How to clean O-rings before installation?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Prior to installation, O-rings should be carefully cleaned to remove any contamination that could affect the sealing performance. <\/p>\n

Use a soft, lint-free cloth and a mild cleaning agent or isopropanol alcohol. Then rinse the O-rings with clean water and allow them to air dry or use a clean, dry cloth. <\/p>\n

Avoid solvents that could attack the O-ring material and ensure that the O-rings are completely dry before they are installed.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Step<\/strong><\/th>\nDescription<\/strong><\/th>\n<\/tr>\n<\/thead>\n
Cleaning agent<\/strong><\/td>\nMild detergent or isopropanol<\/td>\n<\/tr>\n
Cleaning process<\/strong><\/td>\nWipe gently, do not rub<\/td>\n<\/tr>\n
Rinse<\/strong><\/td>\nRinse with clear water<\/td>\n<\/tr>\n
Drying<\/strong><\/td>\nAir dry or dry with a lint-free cloth<\/td>\n<\/tr>\n
Material compatibility<\/strong><\/td>\nChoose solvents that do not damage the material<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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#7<\/span> How to pack O-rings for storage?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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For storage, O-rings should be packed in airtight, clean containers that protect them from environmental influences such as dust, dirt, moisture, ozone and UV radiation. Avoid placing the O-rings under tension or stretching them to prevent permanent deformation. <\/p>\n

The use of separating materials between the O-rings can help to prevent adhesion. Materials that do not release any chemical substances that could attack the O-ring material are ideal. <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Packaging method<\/strong><\/th>\nAspects to be considered<\/strong><\/th>\n<\/tr>\n<\/thead>\n
Airtight containers<\/td>\nProtection from environmental influences<\/td>\n<\/tr>\n
No stretching<\/td>\nStore O-rings without tension<\/td>\n<\/tr>\n
Release materials<\/td>\nAvoidance of adhesion between O-rings<\/td>\n<\/tr>\n
Chemically inert<\/td>\nMaterials that do not release any substances<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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#8<\/span> How do you control the humidity during O-ring storage?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Humidity control is critical to maintaining the integrity of O-rings during storage. An ideal relative humidity (RH) is between 40% and 70%. <\/p>\n

Too low humidity can lead to drying out and cracking, while too high humidity can promote mold growth and corrosion. The use of airtight containers together with silica gel packets helps to regulate humidity. A hygrometer can be used to monitor humidity levels in the storage area. <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Measure<\/strong><\/th>\nPurpose<\/strong><\/th>\n<\/tr>\n<\/thead>\n
Airtight containers<\/td>\nMinimization of moisture ingress<\/td>\n<\/tr>\n
Silica gel packets<\/td>\nAbsorption of excess moisture<\/td>\n<\/tr>\n
Hygrometer<\/td>\nRelative humidity monitoring<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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#9<\/span> How do you recognize wear on O-rings?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Wear on O-rings is often indicated by visible signs such as surface cracks, changes in hardness, deformation or material abrasion. Another indication of wear is a decrease in elasticity, which leads to a poorer seal. <\/p>\n

Regular inspections and tests, such as a check of the compression properties, are crucial for assessing the condition of the O-rings.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Signs of wear<\/strong><\/th>\nTest methods<\/strong><\/th>\nConsequences<\/strong><\/th>\n<\/tr>\n<\/thead>\n
Cracks<\/td>\nVisual inspection, magnifying glass<\/td>\nLeaks, loss of function<\/td>\n<\/tr>\n
Hardness changes<\/td>\nHardness test<\/td>\nReduced elasticity<\/td>\n<\/tr>\n
Deformations<\/td>\nDimensional check<\/td>\nInsufficient sealing<\/td>\n<\/tr>\n
Material abrasion<\/td>\nVisual inspection<\/td>\nDeterioration of the seal<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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#10<\/span> How do you determine the expiration date of O-rings?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The expiration date of O-rings is not usually determined specifically, as it depends heavily on the storage conditions, the material and the application. <\/p>\n

However, manufacturers may provide guidelines on storage life based on the material type, often between 5 and 15 years. <\/p>\n

It is important to maintain optimum bearing conditions in order to maximize service life. Regular inspections are crucial to assess the condition of the O-rings and replace them if there are signs of ageing or wear. <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Material<\/th>\nDurability<\/th>\n<\/tr>\n<\/thead>\n
NBR<\/td>\n6 years<\/td>\n<\/tr>\n
CR<\/td>\n6 years<\/td>\n<\/tr>\n
EPDM<\/td>\n8 years<\/td>\n<\/tr>\n
HNBR<\/td>\n8 years<\/td>\n<\/tr>\n
SILICON<\/td>\n10 years<\/td>\n<\/tr>\n
FEPM (AFLAS)<\/td>\n10 years<\/td>\n<\/tr>\n
FVMQ<\/td>\n10 years<\/td>\n<\/tr>\n
ACM<\/td>\n10 years<\/td>\n<\/tr>\n
FKM (FPM)<\/td>\n12 years<\/td>\n<\/tr>\n
FFKM<\/td>\n15 years<\/td>\n<\/tr>\n
FEP&PFA<\/td>\n20 years<\/td>\n<\/tr>\n
PTFE<\/td>\n20 years<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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“I am convinced that we should share our knowledge with the world. I hope I have been able to answer all your questions. If you have any further questions, please feel free to contact us at any time. We will be happy to help you.”<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\tLuke Williams\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t
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Lord of the O-rings
\nAuthor of the Sealing Academy<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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OUR O-RING BESTSELLERS<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\tFFKM\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t
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\n\t\t\t\t\t\tFEP\/PFA\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

In this short article, we answer the 10 most important questions about the correct storage of O-rings in a simple and understandable way.<\/p>\n","protected":false},"author":1,"featured_media":28141,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"footnotes":""},"categories":[66,75],"tags":[],"class_list":["post-29417","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-design","category-faq-en"],"yoast_head":"\n10 questions about O-ring bearings | Simply explained<\/title>\n<meta name=\"description\" content=\"We answer the 10 most important questions about O-ring bearings \u2705 Questions + answer \u2705 Simply explained \u2705 Click here!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nh-oring.de\/en\/flange-gasket-6\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"10 questions about O-ring bearings | Simply explained\" \/>\n<meta property=\"og:description\" content=\"We answer the 10 most important questions about O-ring bearings \u2705 Questions + answer \u2705 Simply explained \u2705 Click here!\" \/>\n<meta property=\"og:url\" content=\"https:\/\/nh-oring.de\/en\/flange-gasket-6\/\" \/>\n<meta property=\"og:site_name\" content=\"NH O-RING - 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