Sauereisen LockThred - Model No. 1S -Adhesive Cement

LockThred™ No. 1S is thermally conductive and electrically insulating. It is supplied in a paste form that avoids settling. With a silicate-based binder system, it bonds best to metal, ceramics and glass.

Working properties of No. 1S exhibit a virtually unlimited pot life prior to exposure to air. This feature makes LockThred™ Cement ideal for automated dispensing applications.

Sauereisen No. 1S sets upon contact with air. Its cure time may be accelerated by heat. Upon curing, the cement forms a durable ceramic and will resist temperatures through 1,800°F.

Due to the inorganic composition of Sauereisen cements, LockThred™ will not outgas.

• Coefficient of thermal expansion : 6.2 x 10-6/Fo (11.1 x 10-6/Co)
• Color : Off white
• Compressive strength @ 7 days : 3,900 psi (274 kg/cm2)
• Maximum service temperature ; 1,800oF (982oC)
• Modulus of rupture : 460 psi (32 kg/cm2)
• Shear strength : 710 psi (49 kg/cm2)
• Tensile strength : 410 psi (28 kg/cm2)

• Heat conductive and thermal shock resistant.
• Safely insulates electricity.
• Withstands temperatures to 1,800oF (982oC).
• Resists oil, solvents and most acids.
• Non-toxic and odorless.
• Adheres to metal, ceramics, glass and other surfaces.
• Good mechanical bond.
• Resists settling.

Mixing

Sauereisen recommends remixing No. 1S prior to use. If necessary, Thinning Liquid No. 14 can be used where the cement is required in a more fluid consistency. Minimal amounts of extra liquid should be used as excess liquid will reduce mechanical strength, increase shrinkage and delay set time.

Application

Surfaces to receive the cement should be clean and free of grease and dirt. Porous substrates should be dampened slightly with Sauereisen Thinning Liquid No. 14 prior to application.

LockThred™ No. 1S is air-setting and should be used in thin applications. Avoid applying in a thicknesses greater than V4 inch. If necessary, multiple coats may be applied to build thickness. Placement of the cement readily occurs with the use of hand-operated or mechanical dispensing equipment.

SETTING/CURING

No. 1S cures by air drying at room temperature. Drying time depends on the consistency and thickness of the application. Normally 18-24 hours drying at ambient temperature is sufficient.

When the cement has limited exposure to air, or if it is desired to accelerate the cure, low temperature oven drying at 180oF can be used. Avoid steaming while drying. If the cement will be exposed to elevated temperatures that may approach or briefly exceed the recommended service limits, contact Sauereisen for appropriate drying schedule recommendations.

A heat cure is also suggested where humidity resistance is required. In addition, a moisture-resistant lacquer or silicone coating may be applied to the exposed surfaces after the final cure has been attained.

PACKAGING

Sauereisen LockThred No. 1S is packaged in 1-quart cans, 1-gallon cans, and 5-gallon pails.

CLEAN-UP

All equipment should be cleaned with soap and water before Nos. 1S cures. If removal is required after cure, a low concentration of sodium hydroxide will dissolve the cement.

CAUTION

Consult Material Safety Data Sheets and container label Caution Statements for any hazards in handling this material.

COMPLIANCE STATEMENTS

LockThredTM Cement No.1S is fully compliant with the following regulations and directives as published by the European Union:

• †RoHS - Restriction of Hazardous Waste
• †WEE - Waste Electrical and Electronic Equipment
• †REACH - Registration, Evaluation and Authorization of Chemicals