Hapco, Inc. Datasheets for Casting Resins

Casting resins are pourable plastic or elastomer compounds that are used to cast parts, make molds, or form structures in place. They are mixed with a hardener, catalyst or activator and then poured into the sprue of open molds.
Casting Resins: Learn more

Product Name Notes
Solid Reaction Injection Molding S-RIM™ is a series of advanced casting resins that exhibit high physical properties and are extremely fast curing. Easy to mix with a 1:1 ratio by...
Elastomeric Series Various hardness elastomers, shore 20A - 72D Clear in color Available in 2 speeds - fast and slow STERalloy FDG is the first Liquid Molding Polymer Alloy Series...
HIGH PERFORMANCE HYBRID ELASTOMERIC POLYMER ALLOYS Hapflex™ 700/800 products are colorless, high strength elastomers available in hardnesses ranging from 65A to 72D. Hapflex™ 700/800 products exhibit high tensile strength, high...
HIGH PERFORMANCE HYBRID ELASTOMERIC POLYMER ALLOYS The Hapflex™ 1000 Series products are soft, colorless, Shore A elastomers. These materials are available in both a fast and slow gel time and...
HIGH PERFORMANCE HYBRID ELASTOMERIC POLYMER ALLOYS The Hapflex™ 500 Series offers soft durometer elastomers ranging from 45 - 95 Shore A. All are relatively fast, room curing, flexible systems that...
HIGH PERFORMANCE HYBRID ELASTOMERIC POLYMER ALLOYS The Hapflex™ 600 series are relatively fast, semi-rigid, room temperature curing systems. This series yields harder durometers ranging from 50 - 70 Shore D.
Castalloy™ is a high performance casting resin that is water thin, economical, and easy to use. Easy to mix with a 1:1 ratio by volume. Extremely thin with a mixed...
Filter-bond™ is a series of casting and potting compounds ideally suited for potting, sealing, and bonding filtration and ultrafiltration products. The Filter-bond™ E-Series is manufactured to ultra-high quality standards and...
Filter-bond™ is a series of casting and potting compounds ideally suited for potting, sealing, and bonding filtration and ultrafiltration products. The Filter-bond R-Series is manufactured to ultra-high quality standards and...
Hapsil 360™ is a high tear strength, tin-catalyzed RTV-2 silicone rubber, which was designed for casting Hapco's wide variety of rigid and flexible polyurethane resins. Hapsil 360™ is not sensitive...
Rigid Series Rigid, tough polymer alloy plastics High heat distortion High physical properties STERalloy FDG is the first Liquid Molding Polymer Alloy Series that has been specifically designed for food...
Tuffalloy™ is an advanced chemistry developed by Hapco to meet today’s market demands for prototype and low production parts that mimic the physical attributes of many injection molding materials. Tuffalloy™
A new series of water clear casting resins that are mercury free, have high physical properties, and are available in multiple gel times. Exceptional clarity with refractive indices ranging...
A series of flame retardant Liquid Molding Compounds with high physical properties. The tensile strength is 12,600 psi and flexural strength is 16,500 psi after post cure. This series is...
A series of general purpose Liquid Molding Compounds that do not change color and remain clear / light yellow when cured. Ultralloy 200 Series are ideal for in mold coloring...
A series of general purpose Liquid Molding Compounds that do not change color and remain clear / slightly yellow when cured. Ultralloy 200 Series are ideal for in mold coloring...
A series of general purpose Liquid Molding Compounds with low moisture sensitivity. Ultralloy 40 and 50 Series can be open cast, pressure cast, or vacuum cast. The products are pigmented...
A series of general purpose Liquid Molding Compounds. This product turns a natural white but is available pigmented white for extra brightness. Both versions are available in an 8.5 minute...
DI-COAT R-4721 / DI-COAT R-4721 LV (lower viscosity) Shore 90 D, room temperature curing, medium to high thixotropic coating for dielectric insulating applications. DI-COAT R-4721 is ideal for use on...
Easily pourable, thermally conductive, shock resistant potting compounds that are ideally suited for low and high production applications. This series of DI-PAK products reduce rejects by exhibiting extremely low stress...
Flexible, 45, 65 and, 95 shore A hardness, potting and encapsulating systems. Flame retardant (FR), accelerated 3 minute (-3) gel time, and black or unpigmented versions are available.
Flexible, colorless, potting and encapsulating systems. Available in 5 minute (-5), 16 minute, and 20 minute gel times, and in shore hardness’s from 20 A to 80 A .
Flexible, high strength, 50 to 71 shore D hardness potting and encapsulating systems. Available in flame retardant (FR), 3 minute (-3) gel time, and in black or unpigmented.
High performance, flexible potting systems designed to be in constant water immersion while maintaining electrical and physical properties. DI-PAK E-4888 & E-4889 were designed to meet Naval underwater applications.
Low cost, easy to use, potting compounds with fast cycle times. Available in 3 speeds.
Shore 60-65 D, elastomeric coatings that have been specifically designed to reproduce exact surface details. DI-COAT E-4669 are formulated to withstand high wear continuous service.
Shore 90-95 A, elastomeric coatings that have been specifically designed to reproduce exact surface details. DI-COAT E-4599 is excellent for electrical insulation applications requiring non or low sag materials. DI-COAT...
The 900 Series products are amber, however a clear version is available for more effective coloring. Tensile strengths from 6,400 psi to 11,700 psi and heat distortion temperature up to...