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Home 》 Engine oil additive package 》 HRD9312、9312B Medium-speed Trunk Piston Engine Oil Package
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HRD9312、9312B Medium-speed Trunk Piston Engine Oil Package

HRD9312、9312B Medium-speed Trunk Piston Engine Oil Package

Product Introduction

This product medium speed trunk piston engine oil packages are formulated with high-quality detergent, dispersant, ZDDP and other additive components. HRD9312 serves as core agent, HRD9312B serves as high-performance BN booster, and the medium speed trunk piston engine oil combined formulation of both provides excellent acid neutralization, detergency, dispersancy, anti-oxidant, anti-wear and water separation performance. Blending with Group I and II base oils and with the combination of HRD9312 and HRD9312B is able to formulate Medium-speed trunk piston engine oil, meeting GB/T38049-2019 specification with BN ranges from 12-50mgKOH/g and viscosity covers SAE30 and SAE40.


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Product Introduction

This product medium speed trunk piston engine oil packages are formulated with high-quality detergent, dispersant, ZDDP and other additive components. HRD9312 serves as core agent, HRD9312B serves as high-performance BN booster, and the medium speed trunk piston engine oil combined formulation of both provides excellent acid neutralization, detergency, dispersancy, anti-oxidant, anti-wear and water separation performance. Blending with Group I and II base oils and with the combination of HRD9312 and HRD9312B is able to formulate Medium-speed trunk piston engine oil, meeting GB/T38049-2019 specification with BN ranges from 12-50mgKOH/g and viscosity covers SAE30 and SAE40.



Reference dosage

TBN Level

12

15

20

30

40

50

HRD9312,%

5.5

5.5

5.5

5.5

5.5

5.5

HRD9312B, %

2.2

3.2

4.9

8.2

11.5

14.8

Specification

Item

HRD9312 Typical Value

Test Method

Density  (20℃)，  kg/m³

983

SH/T 0604 ，ASTM D4052

Kinematic Viscosity(100℃)，  mm²/s

104

GB/T265 ，ASTM D445

Flash Point (COC)，  ℃

210

GB/T3536 ，ASTM D92

Total Base Number，  mg KOH/g

100

SH/T0251 ，ASTM D2896

Ca Content，m%

3.4

GB/T17476 ，ASTMD4951

Zn Content，m%

1.5

GB/T17476 ，ASTM D4951

P Content，m%

1.3

GB/T17476 ，ASTM D4951

N Content，m%

0.6

NB/SH/T0704 ，ASTM D5762

Sulfated Ash, m%

13.4

GB/T2433 ，ASTM D874

Item

HRD9312B Typical Value

Test Method

Density  (20℃)，  kg/m³

1095

SH/T 0604 ，ASTM D4052

Kinematic Viscosity(100℃)，  mm²/s

75

GB/T265 ，ASTM D445

Flash Point (COC)，  ℃

220

GB/T3536 ，ASTM D92

Total Base Number，  mg KOH/g

301

SH/T0251 ，ASTM D2896

Ca Content，m%

11.5

GB/T17476 ，ASTM D4951

S Content，m%

2.5

SH/T0303 ，ASTM D1552

Sulfated Ash, m%

39.6

GB/T2433 ，ASTM D874


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