Polycin® 640 M-1

Polycin® 640 M-1 is a solventless, castor oil-based polyol for use in polyurethane formulations, Secondary hydroxyl functionality provides longer open time and work life. Polycin 640-Ml will produce a polyurethane with a mid- to high Shore D hardness when cured with MDI-based adducts.

Principal: Aurorium - Castor Oil

End Uses: Medical Adhesives, Polyurethane Adhesives, Polyurethane Sealant, Polyurethanes

Features: Excellent Cure, Good Compatibility, Good Moisture Resistance, Hydrophobic, Improved Hardness, Long Open Time, Longer Performance Life

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Enhanced TDS

Identification & Functionality

Features & Benefits

CASE Ingredients Features
Labeling Claims
Product Benefits
  • Tough but flexible MDI-cure with elongation >100% and tensile strength of 5000 psi at yield
  • Inherent moisture resistance from hydrophobic nature
  • Biocompatibility when cured with Vorite prepolymers
  • Biodegradable and renewable source
  • Soluble in alcohols (hot), esters, ethers, ketones and aromatic hydrocarbons, partially soluble in aliphatic hydrocarbons

Applications & Uses

Adhesive & Sealant End Applications
Compatible Substrates & Surfaces
Plastics & Elastomers End Uses
Product Applications
  • Formulation of 100% solids polyurethanes
  • Coatings, adhesives, sealants and elastomeric formulations
  • When mixed with Vorite™ prepolymers, it results in an excellent adhesive and sealant for various medical devices

Properties

Packaging & Availability

Packaging Type

Principal Information

Group Principal Number
S002899
Principal

Other

Appearance
Clear liquid
Appearance (SDS)
Amber liquid
Color (SDS)
Amber
Explosive Nature (SDS)
Not explosive
IATA/ICAO Proper Shipping Name
Not Applicable
IATA/ICAO UN Number
Not Applicable
IMO/IMDG Proper Shipping Name
Not Applicable
IMO/IMDG UN Number
Not Applicable
Insoluble in (SDS)
Water
Item Number
Odor (SDS)
Slight
USA/DOT Proper Shipping Name
Not Applicable
USA/DOT UN Number
Not Applicable
Chemical Properties
ValueUnitsTest Method / Conditions
Acid Value0.7 mg KOH/gmg KOH/g
Hydroxyl Value215.0 mg KOH/gmg KOH/g
Shelf Life & Stability
ValueUnitsTest Method / Conditions
Shelf Life0.0 dd
Physical Properties
ValueUnitsTest Method / Conditions
Moisture Contentmax. 0.05 %%
Specific Gravity0.97-at 25/25°C
Viscosity650.0 cPscPsAt 25°C
Material Composition
ValueUnitsTest Method / Conditions
Non-Volatile Content100.0 %%
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Density (SDS)0.959 g/m³g/m³at 25°C
Evaporation Rate (SDS)max. 1.0 %%
Flash Point (SDS)221.0 °C°C
Flash Point (SDS)221.0 °C°CClosed Cup
Freeze Point (SDS)-23.0 °C°C
Kinematic Viscosity (SDS)583.942 mm²/smm²/s
Melting Point (SDS)-23.0 °C°C
Relative Evaporation Rate (SDS)max. 1.0-Butyl Acetate=1
Viscosity (SDS)560.0 cPscPsat 25°C