Table of Contents
What is TPV resin?
Thermoplastic vulcanizates (TPVs) are fully cross-linked EPDM / PP compounds. These products are soft and rubbery with exceptionally good compression set, tensile strength, and heat resistance. TPVs can be used in applications requiring long term sealing performance at elevated temperatures.
Is Santoprene the same as EPDM?
EPDM is comparable to Santoprene in outdoor applications. EPDM has a temperature tolerance up to 160 Celcius, while Santoprene is favorable up to 100 Celcius. Santoprene has a low compression set and overtime in high heat, the material will not seal as well.
What is TPV used for?
In weatherseals, TPV is used as a lightweight alternative to thermoset rubber materials in semi-dynamic and static parts, while in underhood and under-car applications it is well-suited for air ducts, tubing, molded seals, grommets, suspension bellows, cable jacketing, plugs, bumpers and many other parts.
What is the difference between neoprene and Santoprene?
Both Neoprene and Santoprene TPV exhibit a high degree of chemical resistance. Conversely, Santoprene exhibits a poor performance against grease and oil while Neoprene fares better in the face of these substances. Both forms of synthetic rubber are resistant to oxidation and UV radiation.
Is TPV plastic or rubber?
TPV, also known by its full name of Thermoplastic Vulcanisate, is a form of rubber which has been vulcanised during the compounding process. This means that the polymers are converted into more durable materials through the introduction of crosslinks.
Is Santoprene rubber or plastic?
Santopreneā¢ is a high performance thermoplastic elastomer (TPE). Thermoplastic elastomers are a diverse family of rubber-like materials that, unlike conventional thermoset rubber, can be processed and recycled within the manufacturing process like thermoplastic materials.
Is EPDM a TPE?
Thermoplastic elastomers (TPE) and ethylene propylene diene monomer (EPDM) rubber both provide sealing and insulation in outdoor environments. TPE and EPDM have many similar characteristics, including resistance to freshwater, saltwater, weather, ozone, and sunlight (UV).
How is EPDM made?
EPDM can be manufactured using one of three processes – slurry, solution, and gas-phase. – The monomers and catalyst system are injected into a propylene filled reactor in this modification of bulk polymerization. – Stabilizers and oils are added directly after polymerization (if required).
What is TPV payment?
TPV is the value of payments, net of payment reversals, successfully completed through our Payments Platform, excluding transactions processed through our gateway and Paydiant products.
Is neoprene a TPE?
Neoprene is generally considered an excellent all-purpose elastomer with a solid balance of properties and few limitations. TPE (Thermoplastic Elastomers) are materials that have the properties and performance of rubber but are processed like thermoplastics.
What is the difference between TPV and EPDM?
Thermoplastic vulcanizate (TPV), a type of TPE, is especially notable because of its excellent low-temperature performance and resistance to oil and flex-fatigue. EPDM rubber can resist colder outdoor temperatures but won’t withstand petroleum products and doesn’t offer flex-fatigue resistance.
Is TPE a plastic?
Thermoplastic elastomers (TPE), sometimes referred to as thermoplastic rubbers, are a class of copolymers or a physical mix of polymers (usually a plastic and a rubber) that consist of materials with both thermoplastic and elastomeric properties.
What kind of material is Santoprene TPV made of?
Santoprene TPV is a dynamically vulcanized alloy consisting mostly of fully cured EPDM rubber particles encapsulated in a polypropylene (PP) matrix.
What does it mean when Santoprene is fully vulcanized?
These particles are fully vulcanized rubber (typically EPDM rubber for most Santoprene TPV grades) in a thermoplastic phase (most often PP in the case of Santoprene TPV grades). Fully cross-linked or vulcanized means 98% or above and because the morphology is “locked-in,” it provides stable physical properties.
When was the first commercial use of Santoprene?
The first sales of developmental products were in 1977, the year it was registered by Monsanto, and it was fully commercialized in 1981. Part of the TPE family of polymers, TPV is the closest in elastomeric properties to EPDM thermoset rubber.
Why are Santoprene pellets used in injection molded tires?
Santoprene pellets. TPV was created following several years of research and development to find a new material for injection molded tires. While this search for a new tire material was unsuccessful, it led to the development of TPV, which combines the characteristics of a vulcanized rubber with the processing properties of thermoplastics.
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