| About Iridium TT | |
| 1. | The new Revolutionary Spark Plug from DENSO |
| 2. | Most superior in the TT range |
| 3. | Composed of both iridium and platinum |
| 4. | Features a "twin tip" - a thin centre of 0.4mm and a protruding ground electrode 0.7mm in diameter |
| How Twin Tip Works |
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Iridium Plug
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Iridium TT Plug
①Double Needle ②Improves Combustion |
| Illustration based on standard spark plug | |
| Unique Selling Point |
| 1. Benefits to End-Users | |||||
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Twin-Tip Technology |
Fuel Savings |
Enhanced Speed |
Engine Efficiency |
Xtra Mileage |
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| 2. Benefits to Distributors/Dealers | |
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16 Plug Types fit 290 Models |
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| Reduced Stocks | |
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| Save Money | |
| Packaging Design |
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In order to offer better ignitability, DENSO has approached to finer electrode plugs development with not only center electrode but also ground electrode.
Iridium TT is a ultimate performance plug with DENSO unique Needle-Needle Technology
Iridium TT contributes to lower gasoline mileage
Iridium TT contributes to lower emissions
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Manufacturer |
DENSO |
Competitor N |
Competitor B |
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Appearance / Specification on Sparking Portion |
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C. E. Material |
IR – Rh Alloy |
IR – PT Alloy |
IR – Rh Alloy |
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G. E. Material |
PT – Rh Alloy |
NI Alloy |
PT – NI Alloy |
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Estimated Life Time (Ratio) |
100 |
33 |
90 |
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Better-wear-resistance electrode material of Iridium TT offers longer durability
(Melting Point : IR > Rh > PT > NI)
Due to excellent ignitability by Flame Kernel Growth, TT Plug can cover for many types of conventional plug. TT Plug do NOT need different types of sparking portion specification that Conventional Plug required.
Iridium TT makes the DENSO TT-Range ready for future market demand
Connection to OE Reference
IAM alternative
Technology upgrade
LPG/CNG compatible
 Box.jpg)