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Oxy 631

Polyvinyl Chloride

Supplied by Occidental Chemical Corp. (OxyChem)

The technical datasheet with complete property values for Oxy 631 is available to members of the Prospector Plastics Database.
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Product Description
OXY 631 is a medium molecular weight PVC dispersion resin. It has found acceptance in such diverse applications as roll coating, dip coating, slush molding, rotational casting, cellular vinyls, and sealants.
OXY 631 has low Brookfield and Severs properties as well as excellent viscosity stability. It also has exceptional natural air release.
OXY 631 has found extensive use in cast cellular vinyls using Azo type chemical blowing agents. The speed at which OXY 631 enters the fused state assures that gas evolution will occur in a satisfactory environment. This allows formulation latitude with respect to obtaining acceptable foam quality under varying processing conditions. In processes that cannot tolerate high temperatures, OXY 631 can be used in place of higher molecular weight resins to obtain adequate tensile strength.
General  
Material Status 
  • Commercial: Active
Availability 
  • North America
Features 
  • Medium Molecular Weight
Uses 
  • Adhesives
  • Automotive Applications
  • Coating Applications
  • Fabrics
  • Sealants
  • Sheet
Forms 
  • Pellets
Processing Method 
  • Coating
  • Foam Processing
  • Rotational Molding
Physical
Nominal Value
 
Test Method
Specific Gravity
 
 ASTM D792
Additional Information
Relative Viscosity, 1% Solution in Cyclohexanone @ 25°C: 2.35
Inherent Viscosity, ASTM D1243: 1.01
K value, DIN 53726: 69
Hot Melt Viscosity, Control Test No.300, M-kg: 0.85(171°C)
Brookfield Viscosity, Control Test No. 200, 20 rpm, poise: 35
Severs Viscosity, Control Test No. 210, 80 psig, poise: 70
Gelation Temperature: 160°F
Ultimate Tensile Strength, ASTM D412, 248°F: 350 psi
Ultimate Tensile Strength, ASTM D412, 302°F: 800 psi
Ultimate Tensile Strength, ASTM D412, 356°F: 2250 psi
Ultimate Tensile Strength, ASTM D412, 410°F: 2450 psi
Clarity: Fair
Classification, ASTM D1755-81: D2-22
CAS Number: 9002-86-2
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Oxy 631, Oxy , Oxy631, 631, Polyvinyl Chloride, Unspecified, Polyvinyl Chloride Unspecified, PVC, Unspecified, PVC Unspecified, Polyvinyl Chloride, PVC, Occidental, PolyvinylChlorideUnspecified, PVCUnspecified, PolyvinylChloride
Features
Features may also be described by the following terms: Medium Molecular Weight, Medium MW.
Uses
Uses may also be described by the following terms: Sanitary Products, Automotive Applications, Automotive Sector.
Notes
1Typical properties: these are not to be construed as specifications.
 
IDES
Copyright © 2012 IDES
The information presented on this datasheet was acquired by IDES from the producer of the material. IDES makes substantial efforts to assure the accuracy of this data. However, IDES assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.