Acrylic Sheets With Class B Flame Spread

In all cases smoke development must be less than 450.

Acrylic sheets with class b flame spread.

Precautions should be taken to protect the material from flames and high heat sources. Is an authorized stocking distributor of lexan polycarbonate sheet products including flame retardant lexan 9034v. Lexan thermoclear thermoclick and corrugated sheet products have a class a. Ul 94 the standard for safety of flammability of plastic materials for parts in devices and appliances testing there are two types of pre selection test programs conducted on plastic materials to measure flammability characteristics.

For example if the flame travels 19 1 2 feet in less than 5 1 2 minutes the time required for flame to spread on 19 1 2 feet of red oak the rating is 100 times 5 1 2 divided by the time minutes in which flame spreads 19 1 2 feet on the sample. Acrylic flammability data flammability. Plexiglas g acrylic sheet in thicknesses 0 118 0 236 and 0 472 pass the requirements for flammability per faa far 25 853 appendix f part 1 paragraphs a 1 iv procedure b 5 15 second horizontal test formaly 25 853 b 2. From these observations a flame spread rating can be calculated.

Flame retardant polycarbonate sheets. Acriglas sheet is a combustible thermoplastic and is classified as a slow burning plastic. Optix acrylic sheet is a lightweight impact resistant optix acrylic sheet is a lightweight impact resistant transparent material that is a great replacement for glass in many applications. Flammability of paint study national paint coatings association inc 1974 project 3 3774 141 southwest research institute.

The first determines the material s tendency either to extinguish or to spread the flame once the specimen has been ignited. This material can thus be classified category tp b according to bs 2782 method 508 a for thermoplastics material as defined by the building regulations u k. Although stronger than glass and plexiglass fire rated polycarbonate is easily die cut punched and sheared to meet your fabrication. Flame spread and smoke development astm e84 in order to obtain the flame spread classification results must fall into a range between 0 and 25 to be class a 26 75 for class b and 76 200 for class c.

The results of tests for fire propagation when tested to bs 476 part 7 confirm that acrylic glazing achieves a class 3 classification u k. Fire rated polycarbonate sheet is a flame inhibiting uv stable plastic sheeting and glazing product that is virtually unbreakable. Ac plastics is proud to offer makrolon low flammability lf plastic sheeting solutions. Overview of ul 94 flame classifications.