Hapcoat™ 3726

Category: TP, Unspecified , Thermoplastic
Manufacturer: Hapco Inc.
Trademark: Hapcoat™
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: IV22g6_Hapcoat-3726.pdf
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HAPCOAT 3726 is a high heat resistant, thixotropic, gel coat that is specifically designed to reproduce surface details exactly and eliminate print through. When HAPCOAT 3726 is used with HAPCURE 7 curing agent, it is ideally suited for molds filled with aluminum conductites or sand, or backed with fiberglass cloth. This is due to its fast "tack-up" time which eliminates any print through.
  • Formulated to withstand 350°F continuous service, & intermittent service to 400°F
  • Being thixotropic, HAPCOAT 3726 applies easily with a brush, and will not sag when applied to a vertical surface
  • Easily machined and can be drilled, tapped, or milled with conventional tools
  • When used with HAPCURE 7, HAPCOAT 3726 reaches "tacked-up" (bubble gum) state in approximately 30-45 minutes.
  • Short-term exposure to 400°F and continuous service to 350°F is possible with this system.
  • Reproduces the finest surface detail and texture.
  • There is almost no shrinkage during cure with HAPCOAT 3726.
  • May be used with a variety of curing agents to accommodate a wide range of application requirements.

HAPCOAT 3726 Applicatiions:
These high heat transfer and high heat distortion properties make HAPCOAT 3726 especially suitable for:
  • Sample and production molds for foam molding
  • Slush molding
  • Injection molding
  • Blow molds
  • Autoclave molds
  • Molds for low melting alloys for wax
  • Molds for thermosets, such as epoxies, polyesters, silicones, and urethanes
  • High temperature vacuum and pressure forming molds
  • Hot press dies
  • Foam molds
General Information
Filler / Reinforcement
  • Aluminum
Features
  • Fast Cure
  • High Heat Resistance
  • Low Shrinkage
  • Machinable
  • Thixotropic
Uses
  • Coating Applications
  • Molds/Dies/Tools
Appearance
  • Aluminum
Forms
  • Liquid
Processing Method
  • Coating
PhysicalNominal ValueUnit
Specific Gravity 1.45g/cm³
HardnessNominal ValueUnit
Durometer Hardness (Shore D)90
MechanicalNominal ValueUnit
Tensile Strength 62.1MPa
Tensile Elongation (Break)1.0%
ThermalNominal ValueUnit
Continuous Use Temperature 177°C
Service Temperature - Intermittent 204°C
ThermosetNominal ValueUnit
Pot Life 45min
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