ASA

ASA Plastic Thermoforming

Thermoformed Parts from ASA Plastic | Properties of ASA Plastic | Thermoforming with ASA Plastic

Description

ASA in ASA plastic stands for Acrylonitrile Styrene Acrylate and is a modified ABS plastic. ASA plastic has similar properties to ABS. Additionally, ASA is extremely weather- and UV-resistant, making it suitable for thermoformed parts used outdoors. Its high hardness, impact resistance, and scratch resistance also make ASA ideal for the production of thermoformed covers, containers, and similar thermoformed parts that are used outdoors.

Processing and Thermoformability

Similar to ABS, ASA plastic is also very easy to process in thermoforming. When storing thermoformable ASA semi-finished products, it is important to note that the thermoplastic is hygroscopic. This means that ASA plastic absorbs moisture from the environment during long-term storage, which can degrade the quality and processing on the thermoforming machine. Just like ABS, ASA material in rolls and sheets is usually not kept as stock, but is instead procured from the thermoforming manufacturer upon customer request. The material delivery times should be considered as lead time when procuring ASA thermoformed parts. An alternative method for producing thermoformed parts from stored ASA is pre-drying using convection heating in a hot air oven. The hot air causes the stored moisture to migrate to the surface and evaporate. However, this additional process step of blistering increases the cycle times.

Facts

  • Price

  • Colors

  • Features

    • Weather and UV Resistance (for outdoor use)
    • Good impact strength
    • Good scratch resistance
    • High temperature resistance
    • Antistatic (without the addition of additives)
    • Resistant to: Oils, fats
    • Additives: Fire protection, rigidity, cold resistance
    • Suitable for: Coating, painting, galvanizing
  • Weaknesses

    • Poor tensile strength
    • No solvents
    • No "clear" (beige appearance)
    • Poor storability (hygroscopic)

Common Industries and Applications:

Automotive

  • Seat shells for commercial and motor vehicles
  • Wrapping protection for automotive
  • Wheel covers
  • Fenders
  • Tank covers
  • Motorcycle tank covers
  • Motorsport prototypes

Electronics

  • Traffic light covers
  • Enclosures
  • Blind plugs for enclosures
  • Lids
  • Traffic light covers
  • Drone covers

Medical Technology

  • Collection containers for disposable syringes

Consumer Goods

  • Outdoor toy slides
  • Panels for transport carts
  • Frames
  • Frame covers
  • Shoe shells
  • Door threshold covers

Mechanical Engineering

  • Shells
  • Covers
  • Trays
  • Basins
  • Outdoor covers
  • Enclosures
  • Model prototypes
  • Collection containers
  • Transport boxes
  • Hoods
  • Oil pans
  • Roll carts
  • High-pressure hose reels
  • Side walls
  • Material dividers
  • Frame covers

Industrial Solutions

  • Transport packaging
  • Basins
  • Trays
  • Inlays
  • Display covers
  • Shells
  • Oil pans
  • Roll carts
  • Transport boxes
  • Hoppers
  • Trays for highly sensitive stamped parts

Facts and Figures:

GroupTechnical Thermoplastics
StructureAmorphous
Density1.07
Continuous Use Temperature Min. (in °C)-40
Continuous Use Temperature Max. (in °C)75
Thermal Expansion Transverse/Longitudinal to Flow Direction (10^-6 *K)80 - 110
Melting Temperature (°C)100
Max. Temp. Short-Term (°C)100
Max. Temp. Long-Term (°C)90
Impact Strength (KJ/m^2)60
Yield Stress (N/mm²)56
Tensile Strength (N/mm²)36
Tensile Modulus of Elasticity (N/mm²)2050
Elongation at Break (%)8
Flexural Strength (N/mm²)80
Ball Indentation Hardness (N/mm²)100
Dielectric Strength (kV/mm)35
Volume Resistivity (Ω · m)1E12
Surface Resistivity (Ω)1E13
Tracking Resistance CTI600

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