WorksheetsArmaFlex Class 0 - 1 Sept 2021
Total questions: 10
Worksheet time: 8mins
ArmaFlex is an elastomeric foam material based on synthetic rubber, as known as nitrile butadiene rubber (NBR)
TRUE
FALSE
Which is the CORRECT working temperature range for ArmaFlex Class 0?
Max: +150°C
Min: 0°C
Max: +110°C
Min: -50°C
Max: +105°C
Min: -50°C
Max: +100°C
Min: -100°C
Where is the PROPER places to store ArmaFlex Class 0?
Dry places
Clean rooms with normal relative humidity 60%
Clean rooms with ambient temperature between 0°C to 30°C
Clean rooms with normal relative humidity below 50%
What is the thermal conductivity of ArmaFlex Class 0?
0.025 W/(m·K)
0.560 W/(m·K)
0.034 W/(m·K)
0.401 W/(m·K)
In Fire Performance test (BS476) Part 7, which following measurements are recorded?
Time & distance at which the maximum flame spread reached
Minimum extent of flame spread
Time at which the flame front crosses each vertical reference line
Maximum extent of flame spread
In Fire Performance test BS476 Part 7, the specimen with final spread of flame 400mm is classify in which class?
Class 1
Class 2
Class 3
Class 4
In Fire Performance test GB8624, which Grade & Description is CORRECT?
Grade A: Incombustible materials
Grade B1: Combustible materials
Grade B2: Flame retardant materials
Grade B4: Inflammable materials
In Fire Performance test GB8624, which materials is consider as BUILDING PRODUCTS?
Flooring materials
Curtains & decorating fabrics
Insulation materials
Furniture
Which Fire Performance Test that evaluates the flammability of polymeric materials, in response to small, open flame or radiant heat source?
BS476 Part 6
BS476 Part 7
GB8624
UL94
In Fire Performance test UL94, which RATING is for samples that burning stops within 30 seconds with no drips.
V-0
V-1
V-2
V-3
