QM 280

$214.42
SKU
QUA QM 280

QM 280 is a two-component, room temperature, addition cure silicone material.  The cured rubber has excellent mechanical properties, good shelf-life stability, excellent physical properties and resin resistance.  This material is a good choice for the molding of furniture, picture frames and architectural materials. QM 280 is exceptionally good where high durometer and dimensional stability are required.

Packing Mix Ratio Weight
Gallon Pail Kit 11 lbs 10:1
5 Gallon Pail Kit 44 lbs 10:1
55 Gallon Drum Kit 550 lbs 10:1

KEY FEATURES

  • High durometer
  • Casting resin resistance
  • Fast demold time
  • Excellent dimensional stability
MAIN APPLICATIONS
  • Molds for architectural replication
  • Molds for polyester, epoxy resin casting, and rigid or foam polyurethane
  • Molds for technical articles and prototypes
  • Molds for furniture and picture frame replication
  • High durometer silicone roll applications
Uncatalyzed
TEST QM 280 A QM 280 B
Appearance Beige Clear
Viscosity 140,000 cps 1,000 cps
Specific Gravity 1.50 1.02

Catalyzed
MIX RATIO 10:1 by weight
PROPERTY RESULT
Catalyzed Color Beige
Viscosity 90,000 cps
Work life at 25°C 60 minutes
Demold Time

8 ~ 12 hours

Cured Properties
3 Days at 25°C
Durometer, Shore A 80
Tensile Strength 1,100 psi
Elongation

75%

Tear

75 ppi

Linear Shrinkage

< 0.1 %

Useful temperature range

-55°C - 204°C

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