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Sika Corporation -Epoxy Bonding Agents - Sikadur®-32 Hi-Mod

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High-modulus, high-strength, epoxy bonding/grouting adhesive

Sikadur®-32 Hi-Mod is a multi-purpose, 2-component, 100 % solids, moisture-tolerant structural epoxy adhesive.


Category: adhesives | concrete adhesives | concrete repair products...

MasterFormat: Common Work Results for Concrete | Maintenance of Metals | Common Work Results for Wood, Plastics, and Composites...


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Sika Corporation
100 Dan Road
Canton, MA 02021
Tel: (800) 451-2504

webmaster.sarnafil@us.sika.com

https://usa.sika.com/en/construction.html

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Overview


Epoxy Bonding Agents - Sikadur®-32 Hi-Mod

High-modulus, high-strength, epoxy bonding/grouting adhesive

Sikadur®-32 Hi-Mod is a multi-purpose, 2-component, 100 % solids, moisture-tolerant structural epoxy adhesive. It conforms to the current ASTM C-881 Types I, II, and V, Grade 2, Class C and AASHTO M-235 specifications.

  • High-strength bonding/grouting adhesive.
  • Tolerant to moisture before, during and after cure.
  • Excellent adhesion to most structural materials.
  • Convenient easy-to-mix ratio A:B = 1:1 by volume.
  • Easy-to-use for bonding/grouting applications.
  • Fast initial set; rapid gain to ultimate strengths.
  • USDA-certified for use in food plants.

Usage

  • Bond fresh, plastic concrete to hardened concrete and steel.
  • Grout horizontal cracks in structural concrete and wood by gravity feed.
  • Machinery and ‘robotic’ base-plate grout.
  • Structural adhesive for concrete, masonry, metal, wood, etc.

Advantages

  • High-strength bonding/grouting adhesive.
  • Tolerant to moisture before, during and after cure.
  • Excellent adhesion to most structural materials.
  • Convenient easy-to-mix ratio A:B = 1:1 by volume.
  • Easy-to-use for bonding/grouting applications.
  • Fast initial set; rapid gain to ultimate strengths.
  • USDA-certified for use in food plants.

Packaging

1, 2 and 4 gal. units

Color

Concrete gray

Product Details

Product Information

Chemical Base

100 % epoxy

Shelf Life

2 years in original, unopened containers

Storage Conditions

Store dry at 40-95 °F (4-35 °C).

Condition material to 65-75 °F (18-24 °C) before using.

Viscosity

Approximately 4-5,000 cps.

Application

Application Information

Mixing Ratio

Component ‘A’: Component ‘B’ = 1:1 by volume

Product Temperature

Condition material to 65°-75°F (18°-24°C) before using.

Ambient Air Temperature

Minimum ambient temperature 40°F (4°C).

Substrate Temperature

Minimum substrate temperature 40°F (4°C).

Pot Life

Approximately 30 minutes. (60 gram mass)
Approximately 22 minutes. (350 gram mass)

Contact Time

40 °F (4 °C)*: 15-16 h 73 °F (23 °C)*: 2-2.5 h 90 °F (32 °C)*: 1.5-2 h

*Material cured and tested at the temperatures indicated.

Consumption

Coverage

Bonding Adhesive: 1 gal. covers approximately 80 ft2 on smooth surface.
Base Plate Grout: 1 gal. mixed with 1.5 parts oven-dried aggregate by loose volume yields approximately 420 in3 of grout.
Anchoring Grout: 1 gal. yields 231 in3 of grout.

Application Steps

SUBSTRATE QUALITY

Surface must be clean and sound. It may be dry or damp, but free of standing water. Remove dust, laitance, grease, curing compounds, impregnations, waxes and any other contaminants.

MIXING

Pre-mix each component. Proportion equal parts by volume of Component ‘A’ and Component ‘B’ into clean pail. Mix thoroughly for 3 minutes with Sika paddle on low-speed (400-600 rpm) drill until blend is a uniform color. Mix only that quantity that can be applied within its pot life.


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Specifications

Compressive Strength

40 °F*

(4 °C)

73 °F*

(23 °C)

90 °F*

(32 °C)

8 hour

-

140 (1.0)

1,700 (11.7)

16 hour

-

4,800 (33.1)

7,300 (50.3)

1 day30.0 (0.2)5,700 (39.3)7,300 (50.3)
3 day5,300 (36.6)11,300 (77.9)10,400(71.7)
7 day9,600 (66.2)11,800 (81.4)10,400(71.7)
14 day11,900 (82.1)12,200 (84.1)10,400(71.7)
28 day12,600 (86.9)12,200 (84.1)10,500(72.4)

*Material cured and tested at the temperatures indicated.

Flexural Strength

7,000 psi (48.3 MPa) (14 day)

(ASTM D-790)

73 °F (23 °C)
50 % R.H.

Heat Deflection Temperature

[fiber stress loading 264 psi (1.8 MPa)] 122 °F (50 °C) (7 days)

(ASTM D-648)

Modulus of Elasticity in Compression

2.1 x 106 psi (1,449 MPa) (7 days)

(ASTM D-695)

73 °F (23 °C)
50 % R.H.

Modulus of Elasticity in Flexure

6.0 x 105 psi (4,800 MPa) (14 day)

(ASTM D-790)

73 °F (23 °C)
50 % R.H.

SUBSTRATE PREPARATION

Steel - Should be cleaned and prepared thoroughly by blast cleaning or other equivalent mechanical means.

Shear Strength

6,200 psi (43 MPa) (14 days)

(ASTM D-732)

73 °F (23 °C)
50 % R.H.

Tensile Adhesion Strength

2 day

(moist cure)

Plastic Concrete to Hardened Concrete

1,700 psi

(11.7 MPa)

Hardened Concrete to Hardened Concrete

2,000 psi

(13.8 MPa)

Hardened Concrete to Steel

1,900 psi

(13.1 MPa)

14 day

(moist cure)

Plastic Concrete to Hardened Concrete

2,200 psi

(15.1 MPa)

Hardened Concrete to Hardened Concrete

2,000 psi

(13.8 MPa)

Hardened Concrete to Steel

2,000 psi

(13.8 MPa)

Tensile Strength

6,900 psi (48 MPa) (7 days)

(ASTM D-638)

73 °F (23 °C)
50 % R.H.

Water Absorption

0.21 % (7 days, 24 h immersion)

(ASTM D-570)

73 °F (23 °C)
50 % R.H.