QM 254

$243.86
SKU
QUA QM 254

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 254 is exceptionally good where high durometer and dimensional stability are required.  This material also has excellent thermal stability.

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
  • Low viscosity
  • Casting resin resistance
  • Fast demold time
  • Excellent dimensional and thermal 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
Uncatalyzed
TEST QM 254 A QM 254 B
Appearance Beige Black
Viscosity 45,000 cps 6,000 cps
Specific Gravity 1.26 1.04

Catalyzed
MIX RATIO 10:1 by weight
PROPERTY RESULT
Catalyzed Color Black
Viscosity 35,000 cps
Work life at 25°C 60 minutes
Demold Time

8 to 12 hours

Cured Properties
3 Days at 25°C
Durometer, Shore A 60
Tensile Strength 1,000 psi
Elongation

140%

Tear

90 ppi

Linear Shrinkage

< 0.1 %

Useful temperature range

-55°C - 204°C

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