Hapcoat™ 3721

Category: TP, Unspecified , Thermoplastic
Manufacturer: Hapco Inc.
Trademark: Hapcoat™
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: A551gS_Hapcoat-3721.pdf
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A two-component, room temperature curing, medium to high thixotropic, readily machinable, surface coat developed especially for precise duplication of surface details.
  • Being thixotropic, HAPCOAT 3721 is ideally suited for use on vertical or sloping surfaces where flow or drain-off cannot be tolerated.
  • Easy to sand and work, and should be used on those pattern-making applications where additional machining is required.
  • HAPCOAT 3721 LV is a lower viscosity (medium thixotropic) version of HAPCOAT 3721. Both are creamy consistency and will hang on vertical surfaces.
  • HAPCOAT 3721 will build up faster than HAPCOAT 3721 LV.

Advantages:
  • This surface coat has no abrasive filler in it, and is easily worked by all wood cutting tools
  • The white color of this face coat is ideally suited for scribing with marking inks to outline pattern changes, etc.
  • Reproduces the finest surface detail and texture
General Information
Features
  • Low Viscosity
  • Machinable
  • Thixotropic
Uses
  • Coating Applications
Appearance
  • White
Forms
  • Liquid
Processing Method
  • Coating
PhysicalNominal ValueUnit
Specific Gravity 1.40g/cm³
Molding Shrinkage - Flow 0.050%
Water Absorption (24 hr)0.14%
HardnessNominal ValueUnit
Durometer Hardness (Shore D)90
MechanicalNominal ValueUnit
Compressive Strength 97.1MPa
ImpactNominal ValueUnit
Notched Izod Impact 20J/m
ElectricalNominal Value
Dielectric Constant 4.91
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