Tiêu chuẩn chất lượng mủ cao su

CAO SU LY TÂM

PARAMETERS OF LATEX CONCENTRATE

(TCVN 6314:2007)

HA

Parameters

Value

Test methods

1. Total Solids Content %(m/m)(1)

61.5 Min

TCVN 6315:2007

2. Dry Rubber Content %(m/m)(1)

60.0 Min

TCVN 4858:2007

3. Non Rubber Solids %(m/m)(2)

2.0 Max

-

4. Alkalinity (as NH3) %(m/m) on latex

0.60 Max

TCVN 4857:2007

5. Mechanical Stability Time (seconds) (Date tested)

650 Min

TCVN 6316:2007

6. Potasssium Hydroxyde Number

1.0 Max

TCVN 4856:2007

7. Volatile Fatty Acid Number

0.2 Max

TCVN 6321:2007

8. pH value

-

TCVN 4860:2007

9. Viscosity(**) (cps)

- { Rpm:60, Spindle:N.2, 60%TSC}
- {Brookfield Viscosity DV-I(27°C) }

TCVN 4859:2007

10.Coagulum content (**) (sieve residue) %(m/m) on latex

0.05 Max

TCVN 6317:2007

LA

Parameters

Value

Test methods

1. Total Solids Content %(m/m)(1)

61.5 Min

TCVN 6315:2007

2. Dry Rubber Content %(m/m)(1)

60.0 Min

TCVN 4858:2007

3. Non Rubber Solids %(m/m)(2)

2.0 Max

-

4. Alkalinity (as NH3) %(m/m) on latex

0.29 Min

TCVN 4857:2007

5. Mechanical Stability Time (seconds) (Date tested)

650 Min

TCVN 6316:2007

6. Potasssium Hydroxyde Number

1.0 Max

TCVN 4856:2007

7. Volatile Fatty Acid Number

0.2 Max

TCVN 6321:2007

8. pH value

-

TCVN 4860:2007

9. Viscosity(**) (cps)

- { Rpm:60, Spindle:N.2, 60%TSC}
- {Brookfield Viscosity DV-I(27°C) }

TCVN 4859:2007

10. Coagulum content (**) (sieve residue) %(m/m) on latex

0.05 Max

TCVN 6317:2007

CAO SU KHỐI

PARAMETERS OF STANDARD VIETNAMESE RUBBER (SVR)

(TCVN 3769:2004)

SVR L

Parameters

Value

Test methods

Dirt (retained on 45 micron aperture) %wt

Max 0.02

TCVN 6089:2004

‘Ash %wt

Max 0.40

TCVN 6087:2004

‘Volatile matter %wt

Max 0.80

TCVN 6088:2004

‘Nitrogen %wt

Max 0.60

TCVN 6091:2004

Initial Wallace plasticity (Po) range

Min 35

TCVN 6092-2:2004

Mooney Viscosity ML(1’+4’) 100°C

-

TCVN 6090-1:2004

PRI (P30/Po)×100

Min 60

TCVN 6092-1:2004

Colour (Lovibond scale)

Max 4

TCVN 6093:2004

Brookfield Viscosity (cps) (**)

-

-

SVR 3L

Parameters

Value

Test methods

Dirt (retained on 45 micron aperture) %wt

Max 0.03

TCVN 6089:2004

‘Ash %wt

Max 0.50

TCVN 6087:2004

‘Volatile matter %wt

Max 0.80

TCVN 6088:2004

‘Nitrogen %wt

Max 0.60

TCVN 6091:2004

Initial Wallace plasticity (Po) range

Min 35

TCVN 6092-2:2004

Mooney Viscosity ML(1’+4’) 100°C

-

TCVN 6090-1:2004

PRI (P30/Po)×100

Min 60

TCVN 6092-1:2004

Colour (Lovibond scale)

Max 6

TCVN 6093:2004

Brookfield Viscosity (cps) (**)

-

-

SVR CV50

Parameters

Value

Test methods

Dirt (retained on 45 micron aperture) %wt

Max 0.02

TCVN 6089:2004

‘Ash %wt

Max 0.40

TCVN 6087:2004

‘Volatile matter %wt

Max 0.80

TCVN 6088:2004

‘Nitrogen %wt

Max 0.60

TCVN 6091:2004

Initial Wallace plasticity (Po) range Min

-

TCVN 6092-2:2004

Mooney Viscosity ML(1’+4’) 100°C

50±5

TCVN 6090-1:2004

PRI (P30/Po)×100

Min 60

TCVN 6092-1:2004

Colour (Lovibond scale) Max

-

TCVN 6093:2004

Brookfield Viscosity (cps) (**)

-

-

SVR CV50 (controlled Brook-field viscosity)

Parameters

Value

Test methods

Dirt (retained on 45 micron aperture) %wt

Max 0.02

TCVN 6089:2004

‘Ash %wt

Max 0.40

TCVN 6087:2004

‘Volatile matter %wt

Max 0.80

TCVN 6088:2004

‘Nitrogen %wt

Max 0.60

TCVN 6091:2004

Initial Wallace plasticity (Po) range Min

-

TCVN 6092-2:2004

Mooney Viscosity ML(1’+4’) 100°C

50±5

TCVN 6090-1:2004

PRI (P30/Po)×100

Min 60

TCVN 6092-1:2004

Colour (Lovibond scale) Max

-

TCVN 6093:2004

Brookfield Viscosity (cps) (**)

25-40

-

SVR CV60

Parameters

Value

Test Methods

Dirt (retained on 45 micron aperture) %wt

Max 0.02

TCVN 6089:2004

‘Ash %wt

Max 0.40

TCVN 6087:2004

‘Volatile matter %wt

Max 0.80

TCVN 6088:2004

‘Nitrogen %wt

Max 0.60

TCVN 6091:2004

Initial Wallace plasticity (Po) range Min

-

TCVN 6092-2:2004

Mooney Viscosity ML(1’+4’) 100°C

60±5

TCVN 6090-1:2004

PRI (P30/Po)×100

Min 60

TCVN 6092-1:2004

Colour (Lovibond scale) Max

-

TCVN 6093:2004

Brookfield Viscosity (cps) (**)

-

-

SVR CV60 (MV:59±3)

Parameters

Value

Test Methods

Dirt (retained on 45 micron aperture) %wt

Max 0.02

TCVN 6089:2004

‘Ash %wt

Max 0.40

TCVN 6087:2004

‘Volatile matter %wt

Max 0.80

TCVN 6088:2004

‘Nitrogen %wt

Max 0.60

TCVN 6091:2004

Initial Wallace plasticity (Po) range Min

-

TCVN 6092-2:2004

Mooney Viscosity ML(1’+4’) 100°C

59±3

TCVN 6090-1:2004

PRI (P30/Po)×100

Min 60

TCVN 6092-1:2004

Colour (Lovibond scale) Max

-

TCVN 6093:2004

Brookfield Viscosity (cps) (**)

-

-

SVR 10CV (from cup-lumps)

Parameters

Value

Test Methods

Dirt (retained on 45 micron aperture) %wt

Max 0.08

TCVN 6089:2004

‘Ash %wt

Max 0.60

TCVN 6087:2004

‘Volatile matter %wt

Max 0.80

TCVN 6088:2004

‘Nitrogen %wt

Max 0.60

TCVN 6091:2004

Initial Wallace plasticity (Po) range Min

-

TCVN 6092-2:2004

Mooney Viscosity ML(1’+4’) 100°C

60 (+7,-5)

TCVN 6090-1:2004

PRI (P30/Po)×100

Min 50

TCVN 6092-1:2004

Colour (Lovibond scale) Max

-

TCVN 6093:2004

Brookfield Viscosity (cps) (**)

-

-

SVR 10

Parameters

Value

Test Methods

Dirt (retained on 45 micron aperture) %wt

Max 0.08

TCVN 6089:2004

‘Ash %wt

Max 0.60

TCVN 6087:2004

‘Volatile matter %wt

Max 0.80

TCVN 6088:2004

‘Nitrogen %wt

Max 0.60

TCVN 6091:2004

Initial Wallace plasticity (Po) range

Min 30

TCVN 6092-2:2004

Mooney Viscosity ML(1’+4’) 100°C

-

TCVN 6090-1:2004

PRI (P30/Po)×100

Min 50

TCVN 6092-1:2004

Colour (Lovibond scale) Max

-

TCVN 6093:2004

Brookfield Viscosity (cps) (**)

-

-

SVR 20

Parameters

Value

Test Methods

Dirt (retained on 45 micron aperture) %wt

Max 0.16

TCVN 6089:2004

‘Ash %wt

Max 0.80

TCVN 6087:2004

‘Volatile matter %wt

Max 0.80

TCVN 6088:2004

‘Nitrogen %wt

Max 0.60

TCVN 6091:2004

Initial Wallace plasticity (Po) range

Min 30

TCVN 6092-2:2004

Mooney Viscosity ML(1’+4’) 100°C

-

TCVN 6090-1:2004

PRI (P30/Po)×100

Min 40

TCVN 6092-1:2004

Colour (Lovibond scale) Max

-

TCVN 6093:2004

Brookfield Viscosity (cps) (**)

-

-

SVR 5

Parameters

Value

Test Methods

Dirt (retained on 45 micron aperture) %wt

Max 0.05

TCVN 6089:2004

‘Ash %wt

Max 0.60

TCVN 6087:2004

‘Volatile matter %wt

Max 0.80

TCVN 6088:2004

‘Nitrogen %wt

Max 0.60

TCVN 6091:2004

Initial Wallace plasticity (Po) range

Min 30

TCVN 6092-2:2004

Mooney Viscosity ML(1’+4’) 100°C

-

TCVN 6090-1:2004

PRI (P30/Po)×100

Min 60

TCVN 6092-1:2004

Colour (Lovibond scale) Max

-

TCVN 6093:2004

Brookfield Viscosity (cps) (**)

-

-

SVR CV40

Parameters

Value

Test Methods  (TC 01:2003)

Dirt (retained on 45 micron aperture) %wt

Max 0.03

TCVN 6089:2004

‘Ash %wt

Max 0.50

TCVN 6087:2004

‘Volatile matter %wt

Max 0.80

TCVN 6088:2004

‘Nitrogen %wt

Max 0.60

TCVN 6091:2004

Initial Wallace plasticity (Po) range Min

-

TCVN 6092-2:2004

Mooney Viscosity ML(1’+4’) 100°C

40±5

TCVN 6090-1:2004

PRI (P30/Po)×100

Min 60

TCVN 6092-1:2004

Colour (Lovibond scale) Max

-

TCVN 6093:2004

Brookfield Viscosity (cps) (**)

-

-

SVR GP

Parameters

Value

Test Methods  (TC 01:2003)

Dirt (retained on 45 micron aperture) %wt

Max 0.08

TCVN 6089:2004

‘Ash %wt

Max 0.75

TCVN 6087:2004

‘Volatile matter %wt

Max 0.80

TCVN 6088:2004

‘Nitrogen %wt

Max 0.60

TCVN 6091:2004

Initial Wallace plasticity (Po) range Min

-

TCVN 6092-2:2004

Mooney Viscosity ML(1’+4’) 100°C

60-72

TCVN 6090-1:2004

PRI (P30/Po)×100

Min 50

TCVN 6092-1:2004

Colour (Lovibond scale) Max

-

TCVN 6093:2004

Brookfield Viscosity (cps) (**)

-

-

SVR 10CV50

Parameters

Value

Test Methods  (TC 01:2003)

Dirt (retained on 45 micron aperture) %wt

Max 0.08

TCVN 6089:2004

‘Ash %wt

Max 0.75

TCVN 6087:2004

‘Volatile matter %wt

Max 0.80

TCVN 6088:2004

‘Nitrogen %wt

Max 0.60

TCVN 6091:2004

Initial Wallace plasticity (Po) range Min

-

TCVN 6092-2:2004

Mooney Viscosity ML(1’+4’) 100°C

51±3

TCVN 6090-1:2004

PRI (P30/Po)×100 Min

-

TCVN 6092-1:2004

Colour (Lovibond scale) Max

-

TCVN 6093:2004

Brookfield Viscosity (cps) (**)

-

-

SVR 10CV (from field latex)

Parameters

Value

Test Methods (TC 01:2003)

Dirt (retained on 45 micron aperture) %wt

Max 0.05

TCVN 6089:2004

‘Ash %wt

Max 0.50

TCVN 6087:2004

‘Volatile matter %wt

Max 0.80

TCVN 6088:2004

‘Nitrogen %wt

Max 0.60

TCVN 6091:2004

Initial Wallace plasticity (Po) range Min

-

TCVN 6092-2:2004

Mooney Viscosity ML(1’+4’) 100°C

60 (+7,-5)

TCVN 6090-1:2004

PRI (P30/Po)×100

Min 60

TCVN 6092-1:2004

Colour (Lovibond scale) Max

-

TCVN 6093:2004

Brookfield Viscosity (cps) (**)

-

-

 

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