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TREMCO SPECTREM 3 SILICONE SEALANT 20oz

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From: $12.26
 

Details

Tremco Spectrem 3 is a single-component, neutral-cure, low-modulus, construction grade sealant with patented advanced silicone technology. Non-staining and low polar attraction to dirt increases aesthetic appearance.

 

Tremco Spectrem 3 Product Data Sheet

Tremco Spectrem 3 Color Chart

 

Basic Uses
Spectrem 3 has a patented chemistry that has been specifically formulated to seal porous stone, EIFS, metal panels, masonry and pre-cast concrete joints.

Features and Benefits

  • A 20-yr non-stain warranty when pre-approved and tested by Tremco in accordance with ASTM C1248.
  • Low polar attraction to dirt makes buildings easier to clean and maintain.
  • Low-modulus and low Shore A hardness reduce chance of EIFS substratefailures when compared to applications with medium-modulus sealants.
  • Primerless adhesion to most porous substrates.
  • Extended tooling time and workability in high temperatures.
  • Ease of use reduces the risk of application failure.
  • Matte finish affords an aesthetically pleasing appearance with EIFS and stone substrates.
  • No cure inhibition with Spectrem 1, Spectrem 2, Dymonic FC when applied "wet-to-wet," minimizing the chance of leakage when sealants abut at glazing and other façade intersects.
  • Low-VOC and zero-solvent content satisfies the LEED Indoor Environmental Criteria.
  • Greenguard Gold certification ensures safety for use in the most sensitive indoor environments including hospitals and schools.

Limitations

  • Do not apply to damp or contaminated surfaces.
  • Use with adequate ventilation.
  • Not intended for continuous water immersion.

Substrate Preparation
Surfaces must be sound, clean, and dry. Contact surfaces should be free of loose dirt, dust, oils, and any other contaminants. Tremco recommends that
air temperatures be 40 °F (5 °C) or above before applying any sealant. If colder weather is imminent, please refer to the Tremco Guide for Cold Weather Applications.

Applicable Standards
Spectrem 3 meets or exceeds the requirements of the following specifications:

  • ASTM C920 Type S, Grade NS, Class 50*, Use NT, M, G, A and O
  • ASTM C1248
  • ASTM C1382
  • U.S. Federal Specification TT-S-001543A Class A
  • U.S. Federal Specification TT-S-00230, Type II Class A
  • CAN/CGSB 19.13-M87
  • EIMA Test Method 300.01

Application
Spectrem 3 is easy to apply with conventional caulking equipment. Fill joint completely and tool. At 75 ˚F (23.9 ˚C), 50% RH, tooling time is 1 hr. 

Priming
If priming is deemed necessary use Tremco® Silicone Porous Primer for porous substrates and Tremco Silicone Metal Primer for non-porous
substrates.

Joint Design
May be used in joints designed in accordance with accepted architectural/engineering practices. Joint width should be 4 times anticipated
movement, but not less than 1/4” (6 mm) wide.

Joint Backing
Closed-cell polyethylene backer rods are preferred as a joint backing material to control depth of sealant bead. Where depth of joint will prevent use of joint
backing, an adhesive-backed polyethylene tape should be installed to prevent three-sided adhesion. Joint backing must be dry at the time of sealant
application.

Sealant Dimensions
W = Sealant width, D = Sealant depth, C = Contact area.

Expansion joints: The minimum joint width (W) and sealant contact depth (C) of any silicone sealant application is 1/4” by 1/4” (6.35 mm by 6.35 mm). It is
recommended that the sealant joint depth (D), when measured from the face of the sealant bead to the crown of the backer rod, be equal to one-half the
sealant joint width (W), known as 2:1 width-to-depth joint ratio. For silicone sealants, the minimum sealant joint depth (D) at crown of backer rod is 1/8”
(3 mm) and the maximum sealant joint depth at crown of backer rod is ½” (13mm). For joints that are wider than 1" (25 mm), contact one of our Technical Sales Representatives. 

Window perimeter joints: For fillet beads, or angle beads around windows and doors, the sealant should exhibit a minimum sealant contact depth [C] of 1/4" (6.34 mm) onto each substrate. Proper joint backing or bond breaking must be implemented to allow the sealant to perform when exposed to joint movement.

Typical Physical Properties

PROPERTY TEST METHOD TYPICAL VALUES
Tack free time ASTM C679 2hr
Tooling Time Skin formation 40 min

As Cured: After 14 days at 77 °F (25 °C),
50%RH

Joint Movement Capability Extension Compression ASTM C719 ±50%*
Hardness (shore A) ASTM C661 15
Peel Strength Aluminum and Glass ASTM C794 25 to 35 pli minimum
Application Temperature Range -40 to 300 °F (-40 to 149 °C)
Stain & Color Change ASTM C510 TT-S-001543A No Stain

Staining of Porous Substrates White Marble
Primed & Unprimed

ASTM C1248 No Stain
Tear strength, die ("C") ASTM D624 25 to 30 pli minimum
Tensile Strength at Max Elongation ASTM D412 155 psi
Tensile Strength at Max Elongation 100% STM D412
Tensile Strength at Max Elongation 50% 40 psi
Tensile Strength at Max Elongation 50% 25 psi

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Rating
Joint Size D x W Inches1 Gallon10.3 Fluid Ounce Tube20 Fluid Ounce Sausage2 Gallon Pail4.5 Gallon Pail
3/16 x 1/4 411 33 64 821 1848
3/16 x 3/8 274 22 43 548 1232
3/16 x 1/2 205 16 32 411 924
3/16 x 5/8 164 13 26 329 739
3/16 x 3/4 137 11 21 274 616
           
1/4 x 1/4 308 25 48 616 1386
1/4 x 3/8 205 16 32 411 924
1/4 x 1/2 154 12 24 308 693
1/4 x 5/8 123 10 19 246 554
1/4 x 3/4 103 8.3 16 205 462
1/4 x 1 77 6.2 12 154 346
           
3/8 x 3/8 137 11 21 274 616
3/8 x 1/2 103 8.3 16 205 462
3/8 x 5/8 82 6.6 13 164 370
3/8 x 3/4 68 5.5 11 137 308
3/8 x 1 51 4.1 7.9 103 231
3/8 x 1.5 34 2.7 5.3 68 154
3/8 x 2 25 2 3.9 51 115
3/8 x 3 17 1.4 2.6 34 77
           
1/2 x 1/2 77 6.2 12 154 346
1/2 x 5/8 62 5 9.7 123 277
1/2 x 3/4 51 4.1 8 103 231
1/2 x 1 39 3.1 6.1 77 173
1/2 x 1.5 25 2 3.9 52 115
1/2 x 2 19 1.5 3 38 86
1/2 x 3 12 1 1.9 26 58

Volume Equivalents:

25 Tubes = one 2 Gallon Pail

56 Tubes = one 4.5 Gallon Pail

6 20-oz Sausages = 1 Gallon, Less 8-oz