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Why do Engineers Choose Silicone for Applications?
8/22

2016

Why do Engineers Choose Silicone for Applications?

In today's elastomer market, the choice of rubbers available to engineers and designers is vast. The sheer number of choices can often cause confusion as to which rubber to select for certain applications. Properties such as temperature resistance, compression set, tear strength and elongation may not be fully understood, which therefore effects making the correct choice of rubber. Here we discuss why engineers choose silicone rubber as a material over other rubbers and the benefits the elastomer has when in applications. Firstly we must outline that all rubbers have both positives and negatives depending on application conditions and as of yet, there is not one rubber that 'ticks all the boxes'. So this leaves us with the realistic conclusion that we must delve into the application where the rubber will be used to understand what stresses the material will face and then give a decision. As we're a silicone rubber manufacturer we hold a vast amount of knowledge in the heat cured silicone arena so let's discuss the most common features and benefits of silicone to allow you to understand why engineers choose the material. TemperatureSilicone is most commonly associated with its excellent resistance to extreme temperatures and this is generally one of the primary reasons silicone gets selected for application. We discussed temperature resistance in another blog post as it is often a topic that causes some debate as to the maximum/minimum temperatures that silicone can withstand. Environmental ResistanceSilicone rubber has excellent resistance to environmental conditions, making it the ideal material to be used for outdoor sealing applications that may be exposed to the elements. Silicone can withstand Ozone and UV stresses which allows the material to maintain its original properties and prevent degradation. Silicone also has excellent resistance against general weathering from rain, sleet, snow and frost allowing protection to electrical enclosures situated outdoors. Low Compression Set Food SafeSilicone is an inert polymer, meaning that it is mainly non-reactive. This makes it the go to elastomer in the food and beverage industry as it little to no effect on the products themselves. From dairy tubing to brewery hoses, Silicone Engineering's silicone is widely used on a global scale. It is approved to FDA, BfR and WRAS standards which allow it to be in contact with food or beverages without causing contamination. These are just some of the benefits silicone rubber can bring to applications when other elastomers fail. Silicone can resolve and/or prevent a number of sealing issues, which can increase the lifespan of a seal and also reduce replacement costs.

How printing silicone rubber
7/8

2015

How printing silicone rubber

1. Firstly,clean the mold with detergent, and dry up the mold by a piece of cloth or an air gun and then coat the mold with a layer of release agent.  2. The normal proportion between the pad printing silicon and the silicone oil depends on the requirements of the customers. If pattern with big area to be printed, a soft silicon pad is needed and the amount of silicone oil is increased. Contrarily, if a silicon pad with high hardness is needed, the silicone oil should be added less or not . The hardness of general pad printing silicone rubber is approximate of 15A°~-25 A°; if too much silicone oil is added, the silicon pad is so soft that the printing times is limited, the molecular weight of the silicon will be damaged by the silicone oil no matter how superior quality the silicon is, thereby bringing about abrasion intolerance, solvent intolerance and ageing.   3. General mixing proportion is as follows: add 30g silicone oil into 100g silicon with the hardness of the silicon pad being 20A°, which is suitable for the pad printing for alloy car and products with small patterns and contact areas. If a big pressure contact surface or a soft silicon pad is needed, the mixing proportion between the silicon and the silicone oil can be 100:30-100:50. But please note that the more amount of silicone oil added, the softer the silicon pad, which will reduce times of pad printing, abrasion resistance and solvent resistance. In addition, the times of pad printing will be correspondingly reduced which will cause increased cost and material waste.   4. The amount of the curing agent and the chemical reaction with the silicon is as follows: mix 100g silicon and 50g silicone oil sufficiently and evenly, then add the curing agent which is 2%-3% of the total weight of the silicon and the silicone oil, mixing for 2-3 minutes, and then deair to remove the air bubbles . The time of deairring generally does not exceed 10 minutes. If the deairing time is too long,it may cause fast curing of the silicon and impact the quality of silicon.

Silicone sealing rings for crisper
2/2

2015

Silicone sealing rings for crisper

Crisper silicone sealing rings include the major part of the lamp, they fix on the lid, making waterproof and sealed effect. Nowadays, more and more people are used to bringing business lunch, so crisper end up popular, good quality silicone sealing ring will make things goes well, the food can be keeping fresh longer. Our company will design each of the rings as outlined by client's samples, we're going to text it over and over until be sure it sealing well. We are a professional manufacturer, supplier and exporter in china, Our products- flame retardant silicone tubing, foam silicone rubber pad, abnormal shape silicone strip and so on...-are accepted by all of our clients, Dongxian is awaiting your telephone and email... 1. With great seal performance, waterproof not leak 2. Preservation effect is nice, completely a virulent insipidity 3. Can be heated under high-temp, not deformation, tend not to produce harmful substance 4. Good pressure resistant, can through specialized inspection test 5. Health environmental protection level is high, passed ISO9000 series authentic As being a waterproof and sealed raw material, crisper seal ring mainly used for last box, lunch box, heat preservation box, the incubator, water cup and the like... With household electrical appliances popular, hot temperature sealing ring quantity demanded rising, for example pressure cooker silicone sealing ring, in addition we make a lot, welcome to business negotiations

High temperature resistance
12/17

2014

High temperature resistance

If you are manufacturing or designing a product that must retain its physical properties through heat, cold, or extreme shifts in temperature, rely on the proven performance of silicone from Hong Ye Technology. Silicone elastomers have a very wider operating temperature range than most organic elastomers. They: Will be more resistant against degradation %u2013 loosing physical property performance when exposed to high or low temperatures Do not become soft and irreversibly deform when afflicted by temperatures >100°C(>212°F) Retain their natural flexibility and attempt to perform at low temperatures that might cause most organic elastomers for being brittle Resist compression set at both low and high temperatures Maintain their properties longer at higher temperatures Meet a variety of global industry specifications and gratifaction tests Silicone elastomers could be tailored or custom compounded to meet a variety of temperature resistance requirements, including high heat, heat aging, fire resistance, and flame retardancy.

Food grade silicone tube
10/31

2014

Food grade silicone tube

Advantages for silicone tube:(1). No taste, no toxicity, no contamination (environmental friendly)(2). Resistant to high temperature, aging, radiation, cold, heat,Acid, Chemical(3). Stand wear and tear, anti-sepsis, Soft, arc resistance, corona resistance(4). Great pump accuracy and repeatability, nice Permeability(5). Extended flexible life and reduced maintenanceFeatures:(1) Temperature range: -60°C to +200°C, short periods up to +300°C(2) Shore Durometer: From 30A to 90 A(3) Size: Φ2mm-50mm (I.D.) x Φ5mm-60mm (0.D.).The whole length could be infinite or customized. For example, 1,10,50,100,300metersMore other sizes are available as per our clients' request. (4) Color: translucent/ whiteOther colors red, Black, blue, gray, green, clear etc are also available.(5) Packing: 100meters/roll or others by polybags and cartons(6) Material: 100% Silicone + Platinum/other curing agent(7) Test for the U.S. FDA, Germany LFGB or ROHS/REACH etc by SGS, ITS.(8)Food GradeApplications for silicone tube:(1) Transferring and pumping yoghurts and sauces with fruit or other solids(2) accessories for Small appliances (coffee pot, kettle, iron, rice cooker, frying pan, disinfection cabinet water dispenser, jam machine, toaster, gas appliance, water heaters) and electronic automotive, medical and other mechanical products.(3) use for Pharmaceutical , Biotechnology , Food and Beverage ,Aerospace ,Cosmetic ,General laboratory etc