Page 18 - Smooth-OnCatalog
P. 18
Polyurethane Rubber PMC Series
®
PMC®-121/30 (Wet or Dry)
& PMC®-121/50
PMC®-121/30 Dry and PMC®-121/30 Wet are
longtime favorites of artists, candlemakers and
Aura Ceramics of Easton, PA used those casting plasters. The wet version contains a
PMC®-121/50 to create detailed built-in release agent to aid in demolding hard
plaster reproductions of tiki dolls. plasters and concrete. The dry version does not
exude an oil and can be used for casting waxes,
liquid plastics, gypsum plasters, etc.
PMC®-121/50 is a “wet-only” version with similar
properties to PMC®-121/30 but has a slightly
higher Shore Hardness (50A durometer).
PMC®-121/50
Large architectural mold.
PMC®-744
PMC®-744 has been used for years by mold making professionals
to cast wax, plaster, concrete, resins, etc. It is excellent for making
molds that are strong, durable and dimensionally stable.
PMC®-744
ceramic
bunny case
mold.
Beeskep II uses PMC®- 744 for their candlemaking
business. The case molds above are strong,
durable and dimensionally stable, yielding
PMC®-746 predictable results with each use.
PMC®-746 was developed to make molds for casting gypsum plasters. Because
of its durability and moisture resistant properties it is also used by zoos and
museums for a variety of mold making, display and exhibit applications. Other
applications include making plaster block molds, reproducing ornamental plaster
(architectural restoration), and resin casting.
PMC®-746 molds are used for casting heavily filled polyester
furniture elements at Union City Mirror in New Jersey.
A:B Mix Ratio Mixed Viscosity Pot Life Demold Time Hardness (Shore A) Shrinkage (in./in.) Volumetric Yield (cu. in./lb.) Tear Strength Elongation at Break % Color
Product Name
PMC®-121/30 Dry 1A:1B pbv 1,800 cps 30 min. 16 hrs. 30A <0.001 26.7 75 pli 1,000% Clear Amber
PMC®-121/30 Wet 1A:1B pbv 1,800 cps 30 min. 16 hrs. 30A <0.001 26.7 75 pli 1,000% Clear Amber
PMC®-121/50 Wet 1A:1B pbv 1,400 cps 30 min. 16 hrs. 50A <0.001 26.7 85 pli 500% Clear Amber
PMC®-744 2A:1B pbv 3,400 cps 15 min. 16 hrs. 44A <0.001 27.5 90 pli 400% Beige
PMC®-746 2A:1B pbv 1,200 cps 15 min. 16 hrs. 60A <0.001 26.9 100 pli 650% Clear Amber
17 Learn more at: www.smooth-on.com
®
PMC®-121/30 (Wet or Dry)
& PMC®-121/50
PMC®-121/30 Dry and PMC®-121/30 Wet are
longtime favorites of artists, candlemakers and
Aura Ceramics of Easton, PA used those casting plasters. The wet version contains a
PMC®-121/50 to create detailed built-in release agent to aid in demolding hard
plaster reproductions of tiki dolls. plasters and concrete. The dry version does not
exude an oil and can be used for casting waxes,
liquid plastics, gypsum plasters, etc.
PMC®-121/50 is a “wet-only” version with similar
properties to PMC®-121/30 but has a slightly
higher Shore Hardness (50A durometer).
PMC®-121/50
Large architectural mold.
PMC®-744
PMC®-744 has been used for years by mold making professionals
to cast wax, plaster, concrete, resins, etc. It is excellent for making
molds that are strong, durable and dimensionally stable.
PMC®-744
ceramic
bunny case
mold.
Beeskep II uses PMC®- 744 for their candlemaking
business. The case molds above are strong,
durable and dimensionally stable, yielding
PMC®-746 predictable results with each use.
PMC®-746 was developed to make molds for casting gypsum plasters. Because
of its durability and moisture resistant properties it is also used by zoos and
museums for a variety of mold making, display and exhibit applications. Other
applications include making plaster block molds, reproducing ornamental plaster
(architectural restoration), and resin casting.
PMC®-746 molds are used for casting heavily filled polyester
furniture elements at Union City Mirror in New Jersey.
A:B Mix Ratio Mixed Viscosity Pot Life Demold Time Hardness (Shore A) Shrinkage (in./in.) Volumetric Yield (cu. in./lb.) Tear Strength Elongation at Break % Color
Product Name
PMC®-121/30 Dry 1A:1B pbv 1,800 cps 30 min. 16 hrs. 30A <0.001 26.7 75 pli 1,000% Clear Amber
PMC®-121/30 Wet 1A:1B pbv 1,800 cps 30 min. 16 hrs. 30A <0.001 26.7 75 pli 1,000% Clear Amber
PMC®-121/50 Wet 1A:1B pbv 1,400 cps 30 min. 16 hrs. 50A <0.001 26.7 85 pli 500% Clear Amber
PMC®-744 2A:1B pbv 3,400 cps 15 min. 16 hrs. 44A <0.001 27.5 90 pli 400% Beige
PMC®-746 2A:1B pbv 1,200 cps 15 min. 16 hrs. 60A <0.001 26.9 100 pli 650% Clear Amber
17 Learn more at: www.smooth-on.com
