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BC6004 Epoxy Surface Coat
BC6004 is a white thixotropic epoxy surface coat that has the ability to cure and bond to freshly poured wet plaster. This formulated resin compound can be applied with a brush or can be troweled to a thickness of 1/8″ or less on vertical surfaces or over sharp radii without sag or fear of run-off. BC6004 features moderate heat resistance and tracing hardness.

Product Features:

Mix ratio: 12:1 by wt.

Mix ratio: 7:1 by vol.

Pot life: 15–20 minutes

Viscosity (Mixed)@ 75°F: Thixotropic paste

Cure schedule: 8–12 hour

Color: White

surface coats

BC6128 Epoxy Surface Coat
BC6128 is a black, non-staining, silicon-carbide filled, “die surface,” surfacing resin. This thixotropic resin system provides excellent surface duplication, along with good vertical coverage. It provides extended mold life due to superior wear resistance and hardness. This heat-resistant resin system may generally be used at room temperature without post-curing; however, for use above 150°F, a post-cure is required. BC6128 can be consistently used to 300°F. Does not contain VCHD or MDA.


BC6128 is designed for use in:

•RTM and RIM molds

•Constructing vacuum form tools

•Injection and compression molds

•Matched dies

Product Features:

Mix ratio: 100:7 by wt.

Mix ratio: 100:13 by vol.

Pot life: 35–45 minutes

Viscosity (Mixed)@ 75°F: Thixotropic paste

Color: Black

BC6126 Epoxy Surface Coat
BC6126 is a gray, low-toxicity, aluminum-filled, epoxy surface coat that provides excellent surface duplication, along with vertical coverage to 1/16″ thickness. This thixotropic heat-resistant resin system may generally be used at room temperature without post-curing; however, for use above 150°F, a post-cure is required. BC6126 can be consistently used to 300°F. It was engineered to replace VCHD and MDA systems while retaining excellent heat resistance.


BC6126 was developed for:

•Constructing vacuum form tools

• RTM and RIM molds

•Compression and injection molds

•Matched dies

Product Features:

Mix ratio: 100:10 by wt.

Mix ratio: 100:15 by vol.

Pot life: 45 minutes

Viscosity (Mixed)@ 77°F: Thixotropic paste

Color: Gray

BC6060 Epoxy Surface Coat
BC6060 is a blue epoxy, abrasion-resistant, surfacing resin. Commonly referred to as “die surface” material, this system may be applied by brush or may be cast in thin sections to a maximum of 1/2″. Ideally suited for a variety of applications, BC6060 is recommended for dies; foundry pattern and core boxes; and router, trim, and inspection fixtures.

Product Features:

Mix ratio: 100:9 by wt.

Mix ratio: 100:15 by vol.

Pot life: 30–35 minutes

Viscosity (Mixed)@ 77°F: 25,000

Cure schedule: 12–16 hours

Color: Blue.

BC6005 Epoxy Surface Coat
BC6005 is a snow-white thixotropic epoxy resin designed specifically for quality reproduction of a variety of surfaces. A room-temperature cure system, BC6005 offers ample working time yet affords quick-tack for lamination. BC6005 may be applied easily with a brush or may be troweled to a thickness of 1/8″ or less on vertical surfaces or over sharp radii without sag or fear of run-off. When cured, this resin system provides a hard, tough, chip-resistant surface.

Product Features:

Mix ratio: 6:1 by wt.

Mix ratio: 4:1 by vol.

Pot life: 18–22 minutes

Viscosity (Mixed) at 77°F: Thixotropic

Cure schedule: 8–12 hours

Color: White

BC8890 Urethane Elastomer Surface Coat
BC8890 is a two-part urethane gel coat that has excellent handling characteristics, very low moisture sensitivity, a high modulus, and a high hardness. It is a brushable room-temperature curing urethane that has many general purpose applications such as foundry patterns, cure box liners, and abrasion-resistant pads and bumpers. It may also be used as a urethane adhesive.


Product Features:

Mix ratio: 100:60 by wt.

Pot life: 13 minutes

Viscosity (Mixed): Thixotropic

Demold time: 2–3 hours

Hardness (shore): 70D +2

Color: Available in Amber, Black, and Red

BC8880 Polyurethane Elastomer Surface Coat
BC8880 is a two-part urethane gel coat that has excellent handling characteristics, very low moisture sensitivity, a high modulus, and a high hardness. It is a brushable room-temperature curing urethane that has many general purpose applications such as foundry patterns, cure box liners, and abrasion-resistant pads and bumpers. It may also be used as a urethane adhesive.


Product Features:

Mix ratio: 100:60 by wt.

Pot life: 12–15 minutes

Viscosity (Mixed): Thixotropic

Demold time: 8–12 hours

Hardness (shore): 60D +3

Color: Available in Amber, Black and Red