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Carboxymethyl Cellulose CMC

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Carboxymethyl Cellulose

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VEKEN ^®Carboxyl Methyl Cellulose Sodium (CMC-Na)

CAS NO: 9000-11-7 / 9004-32-4 EINECS NO.: 232-674-9 H.S. CODE: 39123.10.000
Molecular Formula: [C6H7O2 (OH) 2CH2COONa] n

Product Description:

VEKEN ® carboxyl methyl cellulose CMC is a non-toxic, tasteless, flocculent white powder, easy soluble in water, with stable performance. Its aqueous solution is neutral or alkaline, transparent and viscous liquid, which can be used as a binder, thickener, suspending agent, stabilizing agent, sizing agent, etc.

VEKEN® carboxyl methyl cellulose CMC with high stability, purity at or above the country level, is mainly used in oil drilling, ceramics, tobacco slice, metallurgical pellet, mineral powder and coal dust suppression, and other fields.

ITEM	INDEX
Viscosity (Mpa. S)	300-1800
Purity (%)	≥75
PH Value	7.0-9.0
Moisture (%)	≤10
Degree of Substitution	0.90

Oil grade VEKEN® CMC, comply with GB/T5005-2010(API-13A)

Item	CMC-LV	CMC-HVT	CMC-HV
Viscosity in the fresh water (600r/min)	≤90	≥50	≥30
Viscosity in the 4% of salt water (600r/min)	——	≥50	≥30
Viscosity in the saturated brine (600r/min)	——	≥50	≥30
API Filter Loss	≤10	≤8	≤10

Application:

With VEKEN® carboxyl methyl cellulose CMC, the oil drilling fluid can make the wall of well form a thin and solid filter cake, with low permeability, so as to reduce the rate of water loss.

After adding VEKEN® carboxyl methyl cellulose CMC into the oil drilling fluid, the oil drilling fluid can make sure the drilling machine have low initial gel strength, and help mud to easily release the gas covered and discharge the debris into the mud pit.

Just like other suspended dispersions, the oil drilling fluid has a certain life period, which can be prolonged when the VEKEN® carboxyl methyl cellulose CMC is added to stabilize it.

CMC-containing mud is insusceptible to influences of mould fungi, so it is unnecessary to maintenance of a high PH value or use anticorrosive agent in the mud.

CMC-containing mud has good stability and can still reduce water loss even at the temperature of more than 150 degree.

Paper making grade VEKEN® CMC,

In paper making industry, CMC is used to make the paint for coated paper, as additive in wet-end and sizing agent for surface. We have different paper making grades of CMC products to satisfy different customers’ requirements.

Item	Index
Item	CYX-5	CYX-10	CYX-30	CYX-150
Appearance	White or yellowish powder
Viscosity (4% Aqueous solution,25℃) Mpa·s	30-50	80-200	250-500	1000-2000
Degree of Substitute (D.S)	≥0.8	≥0.8	≥0.8	≥0.8
PH value	6.0-8.5	6.0-8.5	6.0-8.5	6.0-8.5
Loss on Drying (%)	≤10.0	≤10.0	≤10.0	≤10.0
Heavy Metal (%) pb	——	≤0.003	——	≤0.003
As (%)	——	≤0.0005	——	≤0.0005
Fe (%)	——	≤0.03	——	≤0.03
Fineness, 40mesh, Residue on sieve (%)	≤10.0	≤10.0	≤10.0	≤10.0

Construction grade VEKEN® CMC,

ITEM	Viscosity (2%,79 Model viscometer, Mpa·s)	PH Value	Loss on drying (%)	Purity (%)
CY7	600～800	7～9	≤10	≥65
CY8-2	≥800	7～9	≤10	≥70
CY8-4	≥800	7～9	≤10	≥80
218A	≥400	8～10	≤10
218A2	200～300	8～10	≤10
348	≥300	8～12	≤10
248	100～200	8～12	≤10
148	40～100	8～12	≤10
Note: we can adjust the specification base on customers ‘requirement.

Detergent grade VEKEN® CMC,

ITEM	Viscosity (25℃,Brookfield,60rpm)		Degree of substitution (D.S)	PH Value	Loss on drying (%)
ITEM	1%,Mpa·s	2%,Mpa·s	Degree of substitution (D.S)	PH Value	Loss on drying (%)
XD-1	5～40	——	0.4～0.7	8.0～11.0	≤10
XD-2	——	5～40	0.4～0.7	8.0～11.0	≤10
XD-3	——	50～100	0.5～0.7	7.0～9.0	≤10
XD-4	——	100～300	0.6～0.8	7.0～9.0	≤10
Note: we can adjust the specification base on customers ‘requirement.

Ceramic grade VEKEN® CMC,

ITEM	Viscosity (25℃,Mpa·s)			Degree of substitution (D.S)	PH Value	Loss on drying (%)
ITEM	2% aqueous solution, 79 model viscometer	2% aqueous solution, Brookfield viscometer	1% aqueous solution, Brookfield viscometer	Degree of substitution (D.S)	PH Value	Loss on drying (%)
IH8	≥600	≥2500		≥0.65	6.0-8.5	≤10.0
OM6	300-600	≥1200		≥0.5	6.0-8.5	≤10.0
C1592	1200-1500		≥350	≥0.92	6.5-8.0	≤10.0
C1002	900-1200		≥250	≥0.92	6.5-8.0	≤10.0
C0492	400-600	≥450		≥0.92	6.5-8.0	≤10.0
TCL9	20-50	≤50		≥0.92	6.5-8.0	≤10.0
Note: we can adjust the specification base on customer’s requirement.