CAI Performance Additives ST-PA9

ST-PA9 is an innovative lubricant for polyamide applications. ST-PA9 additive is excellent at increasing melt flow index, improving dispersion, compatibility & elongation and increasing load content. Customers have observed a 170% increase in MFI.

Functions: Dispersant, Lubricant (Internal)

Compatible Polymers & Resins: Polyamide 1012 (PA1012), Polyamide 46 (PA46), Polyamide 6 (PA 6), Polyamide 66 (PA 66), Polyamides, Polybutylene Terephthalate (PBT), Polyphthalamide (PPA)

End Uses: Appliances, Automotive Applications, Cable Ties, Engine Mounts, Garden Equipment, Housewares, Lawn Equipment, Molds/Dies/Tools

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Knowde Enhanced TDS

Identification & Functionality

Plastics & Elastomers Functions
Technologies

Features & Benefits

Product Highlights
  • Lubricating effect
  • Dispersion
  • Surface gloss
  • Impact modification

Applications & Uses

Use Level
0.25-0.5%

Properties

Physical Form
Odor
Odorless
Appearance
Solid powder
Specifications
ValueUnitsTest Method / Conditions
Active Ingredient Contentmax. 98%
Melting Point100°C

Regulatory & Compliance

Certifications & Compliance
Chemical Inventories

Technical Details & Test Data

Prime PA6

 

Formula

 

MFI (275, .16kg)

 

MFI

Change

Notched impact strength (23)

Impact strength change %

 

Tensile Strength

 

Breaking Elongation

 

Flexural Strength

 

Flexural Modulus

Testing Standard

GB/T 3682

 

GB/T 1843

 

GB/T

1040.4

GB/T

1040.4

GB/T 9341

GB/T 9341

Unit

g/10min

%

KJ/m2

%

MPa

%

MPa

MPa

PA6

54.40

0%

7.2

0%

76.6

28.1

79.4

2389

PA6+0.3% ST-PA9

97.92

80.0%

8.3

15.3%

76.2

37.3

82.4

2362

PA6+0.5% ST-PA9

111.60

105.0%

9.1

26.4%

76.8

44.4

86.6

2322

PA6+0.5% EBS

69.70

28.1%

6.9

-4.2%

77.9

26.3

82.6

2639

PA6+1% EBS

74.60

37.1%

7.0

-2.8%

83.5

27.2

84.1

2553

PA6+0.5% Silicone Powder

62.16

14.3%

7.0

-2.8%

78.4

24.6

86.7

2586

PA6+1% Silicone Powder

68.46

25.8%

7.1

-1.4%

84.6

25.8

87.8

2490

 

 

 

PA6+30%GF

 

Formula

MFI (275, 2.16kg)

 

MFI

Change

Notched impact strength (23)

Impact strength change %

 

Tensile Strength

 

Elongation at Break

 

Flexural Strength

 

Flexural Modulus

Testing Standard

GB/T 3682

 

GB/T 1843

 

GB/T

1040.4

GB/T 1040.4

GB/T 9341

GB/T 9341

Unit

g/10min

%

kJ/m2

%

MPa

%

MPa

MPa

PA6+30%GF

25.5

0%

9.8

0%

143.0

7.0

204.0

6950

PA6+30%GF+0.3% ST-PA9

49.4

94.0%

11.0

12.2%

160.0

7.0

222.0

7850

PA6+30%GF+0.5% ST-PA9

69.6

173.0%

10.8

10.2%

163.0

7.2

226.0

8220

PA6+30%GF+0.5% EBS

28.0

9.8%

8.3

-15.3%

150.0

7.8

192.0

7292

PA6+30%GF+1% EBS

28.9

13.3%

8.9

-9.2%

153.2

7.9

195.8

7280

PA6+30%GF+0.5% Silicone

Powder

24.5

-3.9%

8.7

-11.2%

162.8

6.1

213.0

7617

PA6+30%GF+1% Silicone

Powder

27.2

-6.7%

9.3

-5.1%

163.3

6.7

218.3

7761

PA66/PA6+30%GF

 

 

Formula

MFI (275, 2.16kg)

MFI

Change

Notched impact strength (23)

Impact strength change %

Tensile Strength

Elongation at Break

Flexural Strength

Flexural Modulus

Testing Standard

GB/T 3682

 

GB/T 1843

 

GB/T

1040.4

GB/T

1040.4

GB/T 9341

GB/T 9341

Unit

g/10min

%

kJ/m2

%

MPa

%

MPa

MPa

35%PA66+35%PA6+30%GF

31.1

0%

9.9

0%

163.0

7.1

202.0

6984

35%PA66+35%PA6+30%GF

+0.3% ST-PA9

 

60.2

 

93.5%

 

10.8

9.1%

 

178.0

 

7.0

 

226.0

 

7139

35%PA66+35%PA6+30%GF

+0.5% ST-PA9

 

65.7

 

111.3%

 

11.1

12.1%

 

167.0

 

7.2

 

221.0

 

7151

35%PA66+35%PA6+30%GF

+0.5%EBS

 

33.4

 

7.4%

 

11.2

 

13.1%

 

185.0

 

8.1

 

236.0

 

8216

35%PA66+35%PA6+30%GF

+1%EBS

 

35.8

 

15.1%

 

11.5

 

16.2%

 

189.2

 

8.3

 

240.1

 

8280

35%PA66+35%PA6+30%GF

+0.5% Silicone Powder

 

26.5

 

-14.8%

 

11.3

 

14.1%

 

162.4

 

7.5

 

221.0

 

7958

35%PA66+35%PA6+30%GF

+1% Silicone Powder

 

30.6

 

-1.6%

 

11.6

 

17.2%

 

167.3

 

7.7

 

224.1

 

7995