What are some of the drawbacks of Glassflake Systems, and what are the benefits of utilizing Belzona Coatings over Glassflake systems?
Belzona vs Glassflake (Vinyl Ester) :- 1. General level of adhesion of Glassflake systems is low (Belzona 1321 40% higher). 2. Polymerisation process involved in curing process of Glassflake system leads to shrinkage causing bond line to be permanently stressed. 3. Glassflake systems have extremely poor erosion resistance (90° impact abrasion tests in-house showed BelzonaÒ 1321 20 times better). 4. Independent tests at Herriot Watt University for Conoco further confirmation of this. 5. An additional “glaze coat” is often recommended in Glassflake systems for operation in turbulent areas i.e. Suppliers are aware that Glassflake system has poor erosion resistance. 6. Glassflake systems have very poor resistance to Cavitation. (In-house tests showed Belzona 1321 15 times better) 7. Glassflake systems are notoriously brittle and easily damaged during routine maintenance of equipment. 8. Glassflake systems are based on styrene monomer which is Flammable and has a MEL of 100ppm. 9. Volatile
