Speaker Service Cement 8337 Technical Data Sheet 8337-Liquid Description The 8337 Speaker Service Cement is a flexible, durable, solvent-based, rubber resin adhesive that is designed for speaker repair. Applications & Usages The 8337 has excellent adhesion to metal, paper, cloth, foam, felt, rubber, and more. It is used to repair surrounds, speakers, and cones. Benefits and Features Heat or solvent reactivatable adhesive Tough but flexible Heat, shock, and vibration resistant Low VOC Usage Parameters Temperature Ranges Properties Value Properties Value a) Working Life 22 C 72 F 2 min Maximum Withstanding 115 C b) Full Strength 22 C 72 F 24 h Temperature 240 F c) Shelf Life 5 y Storage Temperature Limits 15 to 27 C 60 to 80 F a) Based on thin film application and porous materials. For non-porous materials, time can c) If stored above stated temperature, it may take several hours. have a permanent effect on viscosity. b) Full strength time varies depending on thickness, temperature, humidity, and porosity of materials being bonded. Chemical Components Name CAS Number Acetone 67-64-1 Carbon black 1333-86-4 Page 1 of 4 Date: 29 June 2020 / Ver. 1.01 Speaker Service Cement 8337 Technical Data Sheet 8337-Liquid Properties of Uncured 8337 Physical Properties Method Value Color Visual Black a) Viscosity 25 C 77 F 3 5005 500 cP % Solids Content 31 2% Density 0.90 g/mL Flash Point Tag Closed Cup -20 C -4 F Odor Acetone, nail polish remover a) Brookfield viscometer at 60 rpm with LVT spindle 4 Compatibility Adhesion The 8337 has excellent adhesion to metal, paper, cloth, foam, felt, rubber, and more. It is not compatible with contaminants like water, oil, and greasy flux residues that may affect adhesion. If contamination is present on the substrate, clean the surface first. This adhesive contains solvents that may not be compatible with some materials. It is recommended to test compatibly prior to use. Health, Safety, and Environmental Awareness Please see the 8337-Liquid Safety Data Sheet (SDS) for more details on transportation, storage, handling and other security guidelines. Environmental Impact: The 8337 formulation has a regulated volatile organic compound (VOC) content of 0% 0 g/L by VOC-exemption. Health and Safety: The liquid is flammable and should be kept away from flames and other ignition sources. As with most paint materials, avoid breathing in vapors or direct contact with the material and use in a well-ventilated area. It causes irritation and other symptoms like headaches, pain, as well as having long term exposure effects. Wear safety glasses or goggles and disposable gloves to avoid exposures. Wash hands thoroughly after use. The cured coating presents no known hazard. Page 2 of 4 Date: 29 June 2020 / Ver. 1.01