DUPONT ZYTEL 70G25HSL HOT Sale PA66 Resin

Physical Properties

• Density: The density of the material is 1.33 g/cc (0.0480 lb/in³). This value is measured under the DAM condition in accordance with the ISO 1183 standard.
• Water Absorption: At a thickness of 2.00 mm (0.0787 in), the water absorption rate is 6.4 %. The measurement is carried out in the DAM condition following a method similar to ISO 62.
• Moisture Absorption: When the thickness is 2.00 mm (0.0787 in), the moisture absorption is 2.00 %. This measurement is done in the DAM condition, using a method similar to ISO 62.
• Viscosity Number: The viscosity number of the material is 150 cm³/g (1.50 dl/g). It is measured in the DAM condition as per ISO 307, 1157, and 1628 standards.
• Linear Mold Shrinkage, Flow: In the flow direction, the linear mold shrinkage is 0.0030 cm/cm (0.0030 in/in). The measurement is made in the DAM condition, following the ISO 294 – 4 and 2577 standards.
• Linear Mold Shrinkage, Transverse: The linear mold shrinkage in the transverse direction is 0.011 cm/cm (0.011 in/in). This is measured in the DAM condition, in line with ISO 294 – 4 and 2577.

Polymer Properties:

1. Base Material: Polyamide 66 (PA66)
2. Reinforcement: 25%  Glass Fiber
3. Key Features and Properties:
   
   • High Mechanical Strength and Stiffness: 25% glass fiber reinforcement significantly increases the material’s strength and stiffness.
   • Excellent Thermal and Hydrolytic Stability: The “HSL” designation indicates that the material is designed for extended exposure to high temperatures.
   • Excellent Dimensional Stability: The higher glass fiber content significantly reduces molding shrinkage and warpage, resulting in parts with excellent dimensional accuracy.
   • Chemical Resistance: Zytel 70G25HSL offers excellent resistance to a wide range of chemicals, including oils, fuels, and greases.
   • Good Processability: Despite its high filler content, this grade is renowned for its excellent flow properties, enabling efficient molding of complex geometries while maintaining a smooth surface finish.

Applications:

• Automotive Industry: Zytel 70G25HSL is a workhorse in the automotive sector for critical, under-the-hood structural parts where high heat and strength are required.
  • Engine and Transmission Mounts: The material’s high rigidity and strength make it perfect for engine and transmission mounts, where it must withstand significant vibrations and heavy loads.
  • Radiator End Tanks and Thermostat Housings: The combination of excellent heat and hydrolytic stability makes it an ideal material for these components. 
  • Structural Brackets: Its high tensile strength of 140 MPa is utilized for load-bearing brackets and supports for various engine components, replacing heavier metal parts and contributing to vehicle weight reduction.
• Electrical and Electronics Industry: This material is valued for its combination of mechanical strength and thermal stability, making it suitable for demanding electrical components.
  • High-Power Connectors: Precision-molded connectors for high-power applications require a material that is both dimensionally stable and thermally resistant. 
  • Motor Housings and Actuators: The material’s robust mechanical and thermal properties make it an excellent choice for housings of motors and actuators, protecting internal components from physical damage and operational heat.
• Industrial Applications: The superior strength and durability of Zytel 70G25HSL are highly valued in industrial applications.
  • Precision Gears: Its strength and wear resistance make it a solid choice for gears and other moving parts that need to withstand high loads and friction.
  • Power Tool Casings: The rigidity and impact resistance ensure durability and user safety for professional-grade power tool casings.