Tecniseal M 351 Data Sheet

Product Description TECNISEAL M 351 is a premium quality, ready-for-use, one-component silicone sealant, which reacts with atmospheric moisture at room temperature to form an elastic rubber like seal.
Typical Applications Durable sealing of connecting and expansion joints in stone (marble and granite etc.) floors, walls and ceilings.
Properties TECNISEAL M 351 does not cause bleeding/staining in contact with stone. It is neutral curing, resistant to weathering, ageing and UV-radiation, fungicidal, bactericidal, resistant to water, rub resistant and has an optimum skin formation time.
Application Adhesion surfaces must be clean, dry, sound and free of dust and release agents. Do not use primer on glass and glazed surfaces. Use Primer TECNICON FDF for porous surfaces. Please refer to Primer Chart for recommended surface preparation. Use B&N Smoothfix Marble Tooling Agent.
Cure System Neutral    
Density Approx. 1.02 g/cm DIN 52451  
Application Temperature +5C to +40C    
Service Temperature -60C to +150C  DIN 52455-4  
Hardness Shore A Approx. 24 DIN 53505  ASTM D 2240-68
Modulus at 100 % Extension  Approx. 0.34 N/mm 2  DIN 52455-2 EN 28340
Elastic Recovery Approx. 100 %  DIN 52458 EN 27389
Movement Accomodation 25 %    
Viscosity Non-sagging  DIN 52454 EN 27390
Skin Formation Time 15 to 30 minutes    
Cure Rate Approx. 2 mm/24 h    
Ignition Point Approx. 450C DIN 51794  
Safety Labelling Not required    
Specifications Meets requirements of DIN 18545-E 
DIN 18540
Standard Colours See B&N colour chart
Packaging 310 ml plastic cartridges, 20 cartridges/carton case, 400 ml sausages, 20-sausages/carton case.
Storage Store in cool and dry conditions in original packaging.
Shelf life  18 months..
Precautions see EC Security Data Sheet. Keep away from children. Avoid skin and eye contact. After contact with skin or eyes rinse immediately with plenty of water and seek medical advice. Ensure adequate ventilation. The above specifications are the result of careful research and development. All previous specifications are hereby null and void. Users are themselves responsible for ensuring the suitability of the product for the purpose intended, liability on the part of B&N  being limited to the purchase price of the material. B&N cannot accept liability for damage, in particular that caused by the use of the product or its unsuitability, nor can B&N  accept responsibility for unauthorized recommendations or guarantees which deviate from or exceed the specifications given in this procuct data sheet