A) ASTM D2000 B) UL 94V-0 C) USP Class VI D) ISO 9001
A) 5 to 80 B) 0 to 40 C) 20 to 100 D) 10 to 50
A) It is highly flammable B) It produces toxic fumes C) It melts quickly D) It is fire retardant
A) Liquid nitrogen freezing B) Steam autoclaving C) Microwave heating D) UV bleaching
A) Metallic finish B) High gloss C) Opacity D) Transparency
A) Low cost B) Extreme temperature resistance C) Magnetic properties D) Conductivity
A) Oils only B) Acids and alkali C) Strong solvents D) None of the above
A) Tasteless and odorless B) Distinct chemical scent C) Slightly bitter D) Sweet smelling
A) Brittleness B) Low elongation C) Rigidity D) High tear strength
A) Conductivity B) High magnetism C) Static generation D) Excellent insulating properties
A) FDA 21 CFR 177.2600 B) EPA Section 5 C) OSHA Standard 1910 D) CE Marking 2024
A) It is resistant to bacteria growth B) It must be coated to prevent bacteria C) It has no effect on bacteria D) It promotes bacteria growth
A) Heat-activated sulfur cured. B) UV cured. C) Peroxide cured. D) Platinum cured.
A) To remove oxygen from the material. B) To lower the melting point of the silicone. C) Because of its thermosetting nature. D) Because it is a thermoplastic material.
A) 10% B) 50% C) 30% D) 75%
A) Conductive electrical properties. B) High solubility in water. C) Increased transparency. D) Hydrophobicity.
A) Polypropylene B) Polystyrene C) Polyethylene D) Nylon 6,6
A) Injectors. B) Mixers. C) Plungers. D) Nozzles.
A) Building insulation foam. B) Glass window panes. C) Automotive tires. D) Bottle nipples.
A) Carbonyl or hydroxyl. B) Methyl or vinyl. C) Phenyl or ethyl. D) Butyl or propyl.
A) Curing the elastomer. B) Pressurizing the liquid silicone. C) Trimming excess material. D) Storing the final product.
A) Loose powder B) Barrels C) Pre-vulcanized sheets D) Solid blocks
A) Mixing the two components B) Filtering impurities C) Adding the catalyst D) Cooling the material
A) Extrusion molding B) Injection molding C) Transfer molding D) Blow molding
A) High thermal conductivity B) Low vulcanization speed C) Low viscosity D) High density
A) 10000 - 20000 psi B) 500 - 5000 psi C) 50 - 200 psi D) 10 - 100 psi
A) A color injector B) A static mixer C) A vacuum pump D) A chiller
A) Once the material enters the mold B) Immediately once components are mixed C) After the heating cycle completes D) Before the static mixer stage
A) High material waste B) Short cycle time C) Low process repeatability D) Requires manual trimming |