<img height="1" width="1" style="display:none;" alt="" src="https://px.ads.linkedin.com/collect/?pid=5965418&amp;fmt=gif">
Logo

WESTON™ 399

WESTON™ 399 phosphite is a versatile phosphite stabilizer which is useful in a large number of polymers such as HDPE, LLDPE, SBR, ABS, PVC, and others.


Classifications

Product Technology

Phosphite Antioxidants, Secondary Stabilizers

Brand

WESTON™

Get in Touch with Our Experts

Our technical service team can help you find the right solutions for your needs.

Markets

Building & Construction, Consumer Goods

Property Name Value Unit 
Appearance Liquid --
Autoignition temperature 439 °C
Color Colorless to light yellow --
Density 0.98 g/cm3
Flash point 207 °C
Odor Slight, phenol-like --
Solubility in water Insoluble --

 

 

Specification Name Value  Unit  Test Method  Test Condition
Acid No. 0.25 max  mg KOH/g  --  -- 
Auto-ignition Temperature 439  °C  --  -- 
Chlorine Content < 25  ppm  --  -- 
Color (Pt - Co) 75 max.  --  --  -- 
Density at 25°C 8.2  lb/gal  --  -- 
Flash Point 196  °C  --  -- 
Formula Weight 688  g/mol  --  -- 
Free Nonylphenol 4.0 max  --  -- 
Free Phenol < 50  ppm  --  -- 
Phosphorus Content 4.1 - 4.5  --  -- 
Refractive Index at 25°C 1.5250 - 1.5280  --  --  -- 
Specific Gravity at 25°C - 15.5°C 0.980-0.992  --  --  -- 
Specific Heat 0.4  mcal/mg°C  --  -- 
Thermal Conductivity 0.0003  gcal/(sec)(cm2)(°C/cm)  --  -- 
Vapor Pressure at 6 mm/Hg 245  °C  --  -- 
Viscosity at 60°C 25  cps  --  -- 

 

 

 

  • Consumer Products
  • Furniture
WESTON™ 399 TDS | Technical Data Sheets | English

WESTON™ 399 phosphite is a versatile phosphite stabilizer which is useful in a large number of polymers such as HDPE, LLDPE, SBR, ABS, PVC and others.

Safety Data Sheets are available upon request | Safety Data Sheets

Please click Request SDS to submit an inquiry.