QM 2125

$172.28
SKU
QUA QM 2125

QM 2125 is a two-component, room temperature, condensation cure silicone material.  The cured rubber has excellent mechanical properties and good shelf-life stability.  This material is an excellent choice for the molding of intricate patterns, skin molding and applications where high durometer, dimensional stability and extremely tough rubber are required.  A variety of catalysts are offered with this material.

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
Low specific gravity
High tear strength
Low viscosity
Long work-life
Fast demold time
Excellent dimensional stability  

MAIN APPLICATIONS
Molds for polyester, polyurethane and epoxy resin castings
Molds for technical articles and prototypes
Molds for furniture and picture frame replication
Molds for GFRC pre-cast
Molds for large and small statues

Uncatalyzed
TEST QM 2125 MM Purple MM Green MM Blue

MM Red

Color Beige Purple Green Blue Red
Viscosity 35,000 cps 150 cps 100 cps 150 cps 150 cps
Specific Gravity

1.16

1.00 1.00 1.00 1.00

MIX RATION 10:1 by weight

Catalyzed
PROPERTY MM Purple MM Green MM Blue MM Red
Color Light Purple Light Green Light Blue Light Red
Viscosity 28,000 cps 28,000 cps 28,000 cps 28,000 cps
Specific Gravity

1.13

1.13

1.13

1.13

Work life at 25°C 60 minutes 60 minutes 30 minutes 30 minutes
Tack-Free Time

4 to 6 hours

4 to 6 hours

2 to 4 hours

2 to 4 hours

Demold Time

8 to 10 hours

8 to 10 hours

4 to 6 hours

4 to 6 hours

3 Days at 25°C

Cured Properties
Durometer, Shore A 23
Tensile Strength 500 psi
Elongation

500%

Tear B 130 ppi
Linear Shrinkage

< 0.25 %

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