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Polyurethane Plastic TASK Series
®
High-Performance Casting Resins
TASK® Series plastics are a line of urethane casting resins that offer superior physical
properties compared to our popular Smooth-Cast® line of general purpose casting
resins. TASK® plastics feature convenient mix ratios by volume (pbv) or weight (pbw),
low viscosities, high tensile and flexural strength, as well as high flexural modulus.
TASK® 2 & TASK® 3 - Low viscosity, fast cure resins made
especially for rapid prototyping environments.
TASK® 4 - With exceptional flexural strength, TASK® 4 plastic
was developed to be unbreakable when cast in ultra thin-wall
sections - as thin as a sheet of paper.
TASK® 5 & TASK® 6 - Time tested economy performance resins.
TASK® 7 Flame Out® - Low viscosity, fast set resin that
meets UL 94 V-O requirements for flame resistance.
TASK® 8 - Heat resistant urethane plastic that can withstand
temperatures up to 263°F/129°C.
TASK® 9 ColorMatch - Readily accepts color pigments
and yields parts with extraordinary tensile strength. TASK® 2
was used to create prototype
TASK® 4 TASK® 9 ColorMatch oversized remote controls used
has been a for consumer testing prior to
regular fixture of resin is pigmented to create final production.
prototype shops around color-coded paper spool caps
the world for over 35 years, helping for a Manhattan print house.
bring design concepts to market.
Flame-resistant TASK® 7
meets UL 94 V-O requirements.
It self extinguishes once the Assembly fixtures cast in TASK® 8
flame is removed. are heat-resistant up to 263°F/129°C.
A:B Mix Ratio Mixed Viscosity Pot Life Demold Time Hardness (Shore D) Shrinkage (in./in.) Specific Volume (cu. in./lb.) Ultimate Tensile Elongation at Break % Color
Product Name
TASK® 2 1:1 pbv 150 cps 7 min. 60 min. 80D 0.005 24.7 6,650 psi 6% White
TASK® 3 1:1 pbv 150 cps 20 min. 90 min. 80D 0.0025 24.7 6,650 psi 6% White
TASK® 4 100:100 pbw 250 cps 20 min. 16 hrs. 83D 0.0035 23.9 6,500 psi 4% Ivory
TASK® 5 1:1 pbv 600 cps 3 min. 15 min. 77D 0.007 25.2 4,530 psi 5% Tan
TASK® 6 1:1 pbv 800 cps 7 min. 75 min. 75D 0.0031 25.9 5,200 psi 4% Tan
TASK® 7 1:1 pbv 200 cps 2.5 min. 10 min. 73D 0.0111 23.1 3,390 psi 15.1% White
TASK® 8 1:1 pbv 100 cps 2.5 min. 10-15 min. 80D 0.01 25.4 5,840 psi 4% Off-White
TASK® 9 1:1 pbv 300 cps 7 min. 60 min. 85D 0.009 24.3 7,800 psi 6% Clear Amber
25 Learn more at: www.smooth-on.com
®
High-Performance Casting Resins
TASK® Series plastics are a line of urethane casting resins that offer superior physical
properties compared to our popular Smooth-Cast® line of general purpose casting
resins. TASK® plastics feature convenient mix ratios by volume (pbv) or weight (pbw),
low viscosities, high tensile and flexural strength, as well as high flexural modulus.
TASK® 2 & TASK® 3 - Low viscosity, fast cure resins made
especially for rapid prototyping environments.
TASK® 4 - With exceptional flexural strength, TASK® 4 plastic
was developed to be unbreakable when cast in ultra thin-wall
sections - as thin as a sheet of paper.
TASK® 5 & TASK® 6 - Time tested economy performance resins.
TASK® 7 Flame Out® - Low viscosity, fast set resin that
meets UL 94 V-O requirements for flame resistance.
TASK® 8 - Heat resistant urethane plastic that can withstand
temperatures up to 263°F/129°C.
TASK® 9 ColorMatch - Readily accepts color pigments
and yields parts with extraordinary tensile strength. TASK® 2
was used to create prototype
TASK® 4 TASK® 9 ColorMatch oversized remote controls used
has been a for consumer testing prior to
regular fixture of resin is pigmented to create final production.
prototype shops around color-coded paper spool caps
the world for over 35 years, helping for a Manhattan print house.
bring design concepts to market.
Flame-resistant TASK® 7
meets UL 94 V-O requirements.
It self extinguishes once the Assembly fixtures cast in TASK® 8
flame is removed. are heat-resistant up to 263°F/129°C.
A:B Mix Ratio Mixed Viscosity Pot Life Demold Time Hardness (Shore D) Shrinkage (in./in.) Specific Volume (cu. in./lb.) Ultimate Tensile Elongation at Break % Color
Product Name
TASK® 2 1:1 pbv 150 cps 7 min. 60 min. 80D 0.005 24.7 6,650 psi 6% White
TASK® 3 1:1 pbv 150 cps 20 min. 90 min. 80D 0.0025 24.7 6,650 psi 6% White
TASK® 4 100:100 pbw 250 cps 20 min. 16 hrs. 83D 0.0035 23.9 6,500 psi 4% Ivory
TASK® 5 1:1 pbv 600 cps 3 min. 15 min. 77D 0.007 25.2 4,530 psi 5% Tan
TASK® 6 1:1 pbv 800 cps 7 min. 75 min. 75D 0.0031 25.9 5,200 psi 4% Tan
TASK® 7 1:1 pbv 200 cps 2.5 min. 10 min. 73D 0.0111 23.1 3,390 psi 15.1% White
TASK® 8 1:1 pbv 100 cps 2.5 min. 10-15 min. 80D 0.01 25.4 5,840 psi 4% Off-White
TASK® 9 1:1 pbv 300 cps 7 min. 60 min. 85D 0.009 24.3 7,800 psi 6% Clear Amber
25 Learn more at: www.smooth-on.com
