NANKANG PRODUCT INTRODUCTION. Nankang Tire Pattern Feature.

NANKANG PRODUCT INTRODUCTION

Nankang Tire Pattern Feature

CW-25

NS-2

NS-20

AS-1

RX-615

CONTENTS

XR-611

SP-7

CW-20

1.NS-2

NANKANG PERFORMANCE SPORT TIRE, NS-2, THE UNIQUE V-SHAPED PATTERN CAN DRAIN MORE EFFICIENTLY IN HIGH SPEED CONDITIONS.

SUMMER TIRE

SPORT SERIES

HANDLING COMFORT LOW NOISE DURABILITY DRAINAGE FURL SAVING

NS-2

Series:30/35/40/45/50/55Inch:16”~19”

Two-in-One PATTERN The Two-in-One pitches are designed to reduce pattern noise and promote comfort when driving.

SHOULDER SIPE The tire shoulder edge sipes design promote equal and long distance tread wear.

V-PATTERN “V” sub-groovespattern in the design, increase drainage on wet road conditions.

DRAINAGEThe two center groove design can efficiently enhance superior wet handling and drainage ability.

The directional tire drainage is superior than non-directional tires, especially the main grooves that can drain water much better on wet road conditions, The V-SHAPED pattern is designed to also assist the drainage from the tread to tire shoulder, improving how the tire displaces water.

2.NS-20

SUMMER TIRE

SPORT SERIES


NS-20

NS-20 is an elegant design without losing it's wild Performance. It is also a quiet, comfortable multi function tire. NS-20 also adopted new technology such as Dual-Layer Tread, Micro Vent, Comfort Profile designed, and 5 Pitche arrangement for low noise tire pattern designs.

The 5 pitch design can effectively reduce the noise generated by the tire tread.

SHOULDER SIPESSipes on the tireshoulders reduce blockrigidity, lower patternnoise and increasecomfort.

LATERAL SIPESTiny lateral sipes willreduce tire pattern noise.

SUB-STRAIGHT GROOVESThe two sub-straight grooves on the tire shoulders enhance The main grooves drainage efficiency.

STRAIGHT WIDE GROOVESFour straight grooves enhance drainage efficiency and handling on wet road conditions.

The Initial Dual Layer Tread is shown below. After using a tire for a period of time (wear conditions depending on driver influence), then the soft sub-Layer compound appears.Take 225/40R18 92 W NS-20 as an example, the size groove depth is 8.1mm, when the 1st layer tread finish wearing (About 5,000km), which is half of the depth(4.0mm), then the 2nd tread will appear.

Dual Layer Tread

Initial Dual Layer Tread

Tire wear after a period of time can still maintain the same performance of a new tire.

Micro Vent (non-trimmed)

Conventional Tire Vent Diameter 1.3mm Tire Vent Diameter 0.6mm

Green tire rubber melting evenly covered with mold, the air is dischargedfrom mold tiny hole.Rubber into the tiny hole when the air drained, then rubber becomes needle shape on tire surface after curing procedure.

Comfort Profile Design

NS-20 in JARI (Japan Automobile Research Institute)

Wet Road Braking Test Dry Road Braking Test

NS-20 in JARI (Japan Automobile Research Institute)

Slalom Test

3.AS-1

SUMMER TIRE

COMFORTSERIES


AS-1

AS-1 is an asymmetric tire, the outside pattern is focus on control and grip performance; the inside pattern is designed with comfortand low noise. The AS-1 is a multi-function tire with performanceand comfort abilities in equal measure.

Series:35/40/45/50/55/60/65Inch:13”~19”

SHOULDER GROOVE Unique straight groove design on the shoulder are to increase rigidity and prevent irregular wear.

TWO IN ONE PATTERNIn order reduce road noise,AS-1 uses a 2-in-1 patternand multi-pitch design.

STRAIGHT WIDE GROOVESFour straight grooves design enhance drainage efficiency to upgrade safety on wet road conditions.

AS-1 Contact Patch

The Contact patch is the portion of a vehicle's tire that is in actual contactwith the road surface. It is most commonly used in the discussion ofPneumatic tires where the term is strictly used to describe the portionof the tire’s tread that touches the road surface. The term Footprint isalso used to describe this.

4.RX-615

SUMMER TIRE

COMFORTSERIES


RX-615

RX-615 is designed as a comfort tire, the tire tread adopts computer simulation for the 5 pitch design pattern arrangement, the multi lateral sipes to reduce tread rigidity, increase comfortability.

Series:45/50/55/60/65/70/80Inch:12”~17”

SUB GROOVESThe Tire shoulder sub-straight grooves are designed to reduce tread rigidity

Lateral grooves & Multi-SipesThe lateral grooves aredesigned to reduce noise generation from the tire.The Multi-Sipes aredesigned to deducerigidity and keep driving comfortable.

STRAIGHT WIDE GROOVESThe Four straight grooves aredesigned to enhance drainage efficiency and to maximize safety on wet road conditions.

The NANKANG RX-615 is not designed as a competitive tires, but mainly to be acomfortable tire. A comfort tire of course must also address road noise. The RX-615design features a physical characteristic called "Frequency Transformation“, to reduce the noise caused by the tire blocks. This method is used in the 5 different sizes placedIn RX-615, and using computer simulation of different sizes combinations to make the tire rolling noise generated varies frequency. The optimized tread design can greatlyreduce the amount of road noise from a tire.

5 Pitches on RX-615

ABCD

E

NOISE TEST BETWEEN RX-615 AND CONVENTION TIRE(NE-826)

The New generation low noise tire, RX-615, uses computerizedmulti-pitch simulation technologywith multi-siped pattern design to reduce tire noise generation.

Noise Level (dB)

Velocity (Km/hr)

RX-615

RX-615NE-826

NE-826

40(Km/hr) 80(Km/hr)

52.8

59.360.4 61.3

5.XR-611

SUMMER TIRE

COMFORTSERIES


XR-611

XR-611 is designed using computer simulation for comfort and drainage, plus multi-pitches to reduce the noise generated by

the tire tread.

Series:45/50/55/60/65/80Inch:13”~18”

GRADUAL WIDEN GROOVESThe gradual widening ofgrooves are designed toenhance drainage efficiency.

STRAIGHT WIDE GROOVESFour straight grooves are designed to enhance drainage efficiency and to maximizesafety on wet road conditions.

6.SP-7

SUMMER TIRE

UTILITYSERIES


SP-7

Series:30/35/40/45/55/60/65Inch:17”, 18”, 20”, 22”, 24”

The SP-7 is a non-directional pattern designed for medium-sized SUV vehicles. The SP-7 arc tread block pattern will enhance the drainage Efficiency. The tire shoulder design will reduce the tire tread noisegenerated.

PREVENT NOISE BARThe noise prevention bar on tire shoulder grooves will reduce pattern noise

GROOVES DESIGNEDThe Two straight groovesand arc sub-grooves designed enhance waterdrainage efficiency.

dB

SP-7 Noise Test

Test ConditionsDate: Sep, 2009Ground Temperature: 44.3 ﾟ CWind Velocity: 3~6m/sTire Size: 265/70R16 112TTest Rim: 16x7.5JTire pressure: 350KpaTest Vehicle: Mitsubishi Pajaro 3.5

Conventional Tire:80.5dB

SP-7:73.5dB(7dB gap)

7.CW-20

SUMMER TIRE

VANSERIES


CW-20

CW-20 is commercial tire for general roads as asphalt. To enhance the VAN series of performance, CW-20 strengthens tire shoulder rigidity to reduce irregular tire wearing.Another characteristic is to add tiny sipes on the tire shoulder grooves to maintain comfort ability.

Series:60/65/70/75Inch:15”~17”

Rigidity EnhanceThe tire shoulder rigidity design could prevent irregular wear.

The sipes in the bottom of tire shoulder grooves keep ensure the

tread maintains flexibility.

STRAIGHT GROOVES Four straight grooves ensuredriving safety on wet road.

8.CW-25

Series:70/80Inch:12”~16”

SUMMER TIRE

VANSERIES


CW-25

This new commercial tire, CW-25, is designed for general road use, it’s main focus is on durability and wear resistance abilities, the consistent treadpattern block will not only increase rigidity, but can also can carry the heavy weight of loading.

NANKANG PRODUCT INTRODUCTION. Nankang Tire Pattern Feature.

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