H.B. Fuller HMC-1

H.B. Fuller HMC-1 is a blend of select polymers formulated for use as an indoor and outdoor deck lid weatherstrip. The sealant is homogeneous and completely resistant to moisture. Has good adhesion to rubber weatherstrips and basecoat/clearcoat paint systems. It exhibits excellent heat resistance and long-term weathering.

Product TypeHot Melt Sealant

Application AreaDoors, Weatherstripping

Compatible Substrates & SurfacesElastomers & Rubbers, Painted Surfaces

FeaturesGood Moisture Resistance, Good Weather Fastness, Heat Aging Resistant

Technical Data Sheet

Enhanced TDS

Identification & Functionality

Product Type

Features & Benefits

Applications & Uses

Application Area
Compatible Substrates & Surfaces
Typical Applications

HMC-1 is typically used for weatherstrip seal applications.

General Instructions

H.B. Fuller HMC-1 can be applied by a manual or robotically controlled hot melt gun and airless pump system commonly used to apply hot melts.


No objectionable odor
Typical Properties
ValueUnitsTest Method / Conditions
Specific Gravity1.3
Solid Content99.5%
Thermosel Viscosity (at 120°C)35500.0cPASTM B3236
Sag ResistanceNo movementGM9899P
Insertion Force Not to Exceed Maximum Values of 6N (at 38°C)2.2NGM9899P
Insertion Force Not to Exceed Maximum Values of 8N (at 21°C)2.7N
Insertion Force Not to Exceed Maximum Values of 14N (at 4°C)3.2N
Insertion Force Not to Exceed Maximum Values of 28N (at -18°C)21.2N
Temperature Stability (72 h, at 54° C)No deleterious effects after
Heat Aging (at 70°C, 14 days)No loss cohesive/adhesive strength
Application Temperature65 - 121°C

Packaging & Availability

Packaging Type
Regional Availability
  • North America
Typical Packaging

HMC-1 Sealant is available in the following standard packages:

  • 5 gallon pail
  • 55 gallon drum

Storage & Handling

Shelf Life
24 Months
Storage Conditions

Store material in original unopened packaging at temperatures Between 4°C to 38°C.