Nurchem ACM RK0011

  • Description

RK series Acrylic rubber (ACM) are produced by the advanced technology of high-energy ionizing radiation method. The synthesis process is advanced and unique, which do not need other heat source to control the system temperature, further ensuring the stable and excellent performance of the product. As a kind of Carboxylic acid type of Acrylic Rubber, RK series ACM are cured using an amine-based vulcanization system. RK series ACM afford outstanding resistance to hear, oil (lubricants) and weather. Compounds of RK series ACM are typically rated at 175 °C for heat resistance, with oil swell values around 50% in IRM 903 oil. The properties of RK series ACM make it well suited for a wide range of automotive applications, including hoses, tubes, seals and gaskets.

Major Performance Properties and Applications

RK0011 has the advantages of carboxylic acid RK series products, including Eco-friendly, high strength, high tensile strength, low pressure transformer. It has stable raw rubber batch and excellent processing performance.

RK0011 can be comparable to AEM.

Comparing with RK001, RK0011 has lower Mooney Viscosity, better flowing performance and extrusion performance.
RK0011 is suitable for producing extrusion hose, high temperature durable oil pipe and engine intake pipe.
RK0011 is well suited for injection, transfer and compression molding, and is easily extruded.

Product Properties

AppearanceMilky white/pale yellow elastic flocculent or massive
Mooney Viscosity (ML(1+4) 100℃)38-43
Volatiles (wt%)≤1.0
Ash (%)≤0.5
Tg (℃)-25~-20

Compound and Vulcanization Properties
Compounds of RK0011 are formulated and processed by customers to meet their own specific performance requirements. A typical compound of RK0011 is reviewed in Table1, following by vulcanizate performance test data (Table 2) that can help end-users evaluate the potential fitness of similar compounds for their own applications. The compound is prepared by internal mixer and open mill.

Table1 – Sample Compound, RK0011

Carbon Black N55050
Plasticizer TP9510
Antioxidant 4452
Releasing Agent ACROM Tmv2
Releasing agent ACROM 18D1.5
Curative HMDC-70GA0.8
Accelerator DOTG-75GA2.5
Stock Properties
Discharge Temperature(℃)90.2
Mooney Viscosity (ML(1+4) 100℃)48.9
Mooney Scorch (120℃,t5/min)18.0
Scorch Index (120℃,△t30/min)16.0
Vulcanization behavior (175, 60min) 


Table2 Physical Properties of Vulcanizate

Original Values
Hardness (Shore A)44
Tensile Strength (Mpa)10.0
Elongation (%)547
300% Modulus (MPa)6.8
Tensile set (%)15
Tear Strength (kN·m-1)28.3
Resilience (%)12
Density (g·cm-3)1.232
Abrasion (Shore) △V(cm3)0.418
150℃×22h Compression Set (%)17
Aged 72 Hrs at 175°C in Air
Hardness (Shore A)66
Hardness Change (Shore A)+22
Tensile Strength (Mpa)9.3
Tensile Strength Change (%)-7
Elongation (%)333
Elongation Change (%)-39.1
Tensile set (%)15
Tensile set Change (%)0
Aged 72 Hrs at 175°C Immersed in IRM903 Oil
Hardness (Shore A)40
Hardness Change (Shore A)-4
Tensile Strength (Mpa)9.6
Tensile Strength Change (%)-4
Elongation (%)518
Elongation Change (%)-5.3
Mass Change (%)0.3
Tensile set Change (%)0.6
Aged 72 Hrs at 25°C Immersed in IRM903 Oil
Hardness (Shore A)36
Hardness Change (Shore A)-8
Tensile Strength (Mpa)9.6
Tensile Strength Change (%)-4
Elongation (%)460
Elongation Change (%)-21.4
Mass Change (%)2.3
Tensile set Change (%)4.1


Table3 – Tg and Tb of Crude rubber and Vulcanized rubber

Tg of Crude rubber (℃)-18.6
Tg of Vulcanized rubber (℃)-31.5
Tb of Vulcanized rubber (℃)-26.0