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Quick Details

  • Classification: Chemical Auxiliary Agent
  • CAS No.: 96949-22-3
  • Other Names: welan gum
  • MF: Reference
  • EINECS No.: 234-394-2
  • Purity: 100%
  • Place of Origin: Inner Mongolia, China (Mainland)
  • Type: Viscosifier
  • Usage: Building materials
  • Brand Name: Oceanview
  • Model Number: WG-P, WG-PD, WG-R
  • Appearance:: white to cream color powder
  • pH:: 7.0-9.0
  • Bulk density:: 26.25 lbs./ ft3 (500-700kg/m3)
  • Specific Gravity:: 1.45
  • Particle Size:: 90% pass 80 mesh

Packaging & Delivery

Packaging Details Packed in 25Kg valve paper bag 20Kg, 25kg, 50Lbs, or 15Kg buckets
customized packagings are available on request
Delivery Time within two weeks after receiving order confirmation

Welan gum

 

Description:
Welan Gum is an anionic polysaccharide with excellent thermal stability and retention of viscosity at elevated temperatures. Welan Gum exhibits superior temperature stability over 200° F in fresh water and low pH fluids. Welan Gum is a tan colored dry powder with a density of 26.25 lbs/ft³. Welan Gum is used in various industries where high molecular weight biopolymers are useful.

Application:

WELAN GUM biopolyer is a high efficiency, pseudoplastic viscosifier and suspension agent used in water based drilling, workover and completion fluids. Welan gum is also used in hydraulic fracturing fluids and cementing grouts, foundary coating, pigment suspensions, cement or concrete viscosifier, tire sealant and paint thickeners.

 

Physical requirements:

 

Appearance:

white to cream color powder

Odor

mild

pH:

7.0-9.0

Bulk density:

26.25 lbs./ ft3 (500-700kg/m3)

Specific Gravity:

1.45

Particle Size:

90% pass 80 mesh

Viscosity

0.66% in Dl water

by Fann 35 at 70ºF

0.66% in Dl water

by Fann 35 with 1.0 spring at 185ºF

300rpm

39-49

37-47

200rpm

33-43

32-42

100rpm

29-37

28-35

6rpm

> 17

> 17

3rpm

> 16

> 16

 

Packing:
WELAN GUM is packed in 20 kg paper sack, 25 or 40 sacks per pallet.

Customized packaging is available

 

 

Product Overviews

 

 

 

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Supplier's Trade Assurance Limit: US $78,000
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