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ADD: 9/F,Fortune Building, No.359 Hongwu Road, Nanjing 210002, China

Manager: Mr. Frank Wang

Tel: 86-25-84204331,84209951

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Fax: 86-25-84204061,52300546

E-mail: sales2@hugestone-china.com

Website: www.hugestoneingredients.com

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Guar Gum

Guar Gum

Guar gum,also called guaran,is a galactomannan.It is primarily the ground endosperm of guar beans.It can be used in various multiphase formulations:as an emulsifier because it helps to prevent oil droplets from coalescing

Detailed description

Guar Gum

Product Name:

Guar Gum

Packing:

25kgs/bag

CAS  NO:

9000-30-0

Molecular Formula:

(C35H49O29)n

Molecular Structure:

 

Physico-chemical properties:

Light yellow free flowing powder

Picture:

 

Guar gum,also called guaran,is a galactomannan.It is primarily the ground endosperm of guar beans.It can be used in various multiphase formulations:as an emulsifier because it helps to prevent oil droplets from coalescing,and/or as a stabilizer because it helps to prevent solid particles from settling.
Chemically, guar gum is a polysaccharide composed of the sugars galactose and mannose. The backbone is a linear chain of β1,4-linked mannose residues to which galactose residues are 1,6-linked at every second mannose, forming short side-branches.
Guar gum is more soluble than locust bean gum and is a better stabilizer,In water, it is nonionic and hydrocolloidal. It is not affected by ionic strength or pH, but will degrade at pH extremes at temperature (e.g. pH 3 at 50 °C).It remains stable in solution over pH range 5-7. Strong acids cause hydrolysis and loss of viscosity, and alkalies in strong concentration also tend to reduce viscosity. It is insoluble in most hydrocarbon solvents.
Guar gum shows high low-shear viscosity but is strongly shear-thinning. It is very thixotropic above 1% concentration, but below 0.3%, the thixotropy is slight. It has much greater low-shear viscosity than that of locust bean gum, and also generally greater than that of other hydrocolloids. Guar gum shows viscosity synergy with xanthan gum.  
Guar gum is used as a thickener and emulsifier in commercial food processing. It has almost 8 times the thickening power as corn starch, and is used in dressings, sauces, milk products, and baking mixes. It is also used in food , pet food, oil drilling, construction, mining, beverage, paper manufacturing, textiles, printing, cosmetics and pharmaceuticals.
Industrial grade guar gum powder is suitable for use in oil well fracturing, oil well stimulation, mud drilling and serves as a stabilizer, thickener and suspending agent.

PRODUCT NAME:

Guar Gum

PROPERTIES:

White powder

EINECS:

232-536-8

CAS NO.:

9000-30-0

HS CODE:

1302320000

SPECIFICATION:

Inspection standard

MESH SIZE:

Components:

Appearance

Particle size

Gum

Viscosity

pH

Moisture

Ash

Protein

Heavy Metals

Lead

Barm/Mildew

Total plate count

PACKAGING:

25kg/plastic woven bag or according to the customers' request

QUANTITY/CONTAINER:

15 MT in 20'FCL with pallets
18 MT in 20'FCL without pallets

HANDLING&STORAGE:

Keep in the cool and dry condition


Item

H igh  V iscosity

M edium  V iscosity

Viscosity (  1% aqueous solution  ) mpa.s

≥   6000

≥   5000

Partical size (GB2003)
     R20/3 series ¢200*50mm/0.125mm %

≥   99

≥   98

Drying loss %

≤   12.0

Ash %

≤   1.0

≤   1.5

PH Value

5.5-7.0

Acid insoluble  residue  %

≤   7

Borates

negative

Protein %

≤   10

Starch test

negative

FOOD GRADE MICROBBILOLOGY

Total plate count

≤  5000 cfu/g

Arsenic( As )  %

≤   0.0003

Pb %

≤   0.0001

Heavy metals(Pb)

≤   0.0002

E.coli

negative

Salmonella

negative

Mould & yeasts

≤  5000 cfu/g


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