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ZELEC® 2-EHP
ZELEC® 2-EHP is specialty blend of phosphate esters. It is commonly used as an internal mold release agent in epoxy, polyester, and vinyl ester resin molding.
Fulfilled By ChemPoint
- Manufacturer: Stepan Specialty
- Product Line: ZELEC® and MERPOL® Alcohol Phosphates & Alcohol Ethoxylates
- Product: ZELEC® Alcohol Phosphate Specialty Blend
- Industries: Elastomers | Plastics | Silicones
- Authorized Countries: Canada | Mexico | United States
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Overview
ZELEC ® 2-EHP is a blend of acidic and neutralized phosphate esters. The blend of short- and medium-chain esters make ZELEC® a more effective internal release agent in epoxies and vinyl than other phosphate esters. This grade acts as an effective release agent for resin molding operations that use external heat, such as compression, pultrusion, and matched metal die processes.
Specifications
Form: Liquid
Color: Clear to slightly yellow
pH: 4–6 (1.0% in 50/50 IPA/H2O solution)
Active %: 100
Pour point: <−15°C
Freeze point: <−20°C
Color (Gardner): 2 max
Density: 1.010 g/m
Viscosity (cP) @ 40°C: 74.40
Flash point, PMCC: >94°C
RVOC, U.S. EPA, %: <0.1
Primary Chemistry: Phosphate ester
Features & Benefits
Effective release agent for epoxies, polyester, and vinyl esters
Protects ferrous metal molds
Improves surface appearance
Produces exceptionally smooth surfaces, made of unsaturated, low-shrink polyester resins that are thermosetting
No adverse effects on the cure rate
Decreased labor expenses associated with using external release agents
Mold cleanliness
Prevents corrosion in ferrous metal molds while they are being stored
Decreased risk of costly molds or parts being lost or damaged as a result of incorrect use of external parting agents
Problems Solved
Damage to molds caused by difficult to release materials
Surface defects of molded plastic caused by release from the mold
Insufficient release of epoxy, polyester, or vinyl ester plastics from molds
Applications
Internal mold release for composite manufacturing
Related Chemistries
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