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Superskinsystems Innovates Hollow Part Production with Custom Resins

Superskinsystems Innovates Hollow Part Production with Custom Resins

2025-12-31

Imagine a precisely designed, structurally complex plastic component that requires no assembly—a single, durable piece that stands strong. This vision is becoming reality through SuperSkinSystems' advanced Roto-Molding Resins, engineered specifically for producing dimensionally stable, structurally sound hollow molded parts across multiple industries.

The Promise of Rotational Molding

Rotational molding, or roto-molding, is a manufacturing process where powdered or liquid polymers are placed in a rotating mold, heated until melted, and distributed evenly along the mold's interior walls to form hollow components. Compared to traditional injection or blow molding, this method offers distinct advantages—particularly for large, complex-shaped parts and small-batch custom production—delivering superior cost efficiency and design flexibility.

Key Advantages of SuperSkinSystems' Roto-Molding Resins
  • Custom Formulations: Available in multiple formulations tailored to specific requirements including color, hardness (ranging from 60A to 75D), and operational temperature thresholds.
  • Exceptional Physical Properties: High tensile strength, impressive flexural modulus, and outstanding wear resistance ensure durability and reliability even in demanding environments.
  • Adjustable Cure Times: Cure duration can be optimized based on part complexity—rapid curing for high-volume production versus extended cycles for intricate geometries.
  • Minimal Shrinkage: With shrinkage rates controlled between 0.5% to 1%, dimensional accuracy and consistency are maintained throughout production.
  • Broad Temperature Range: Stable performance across extreme conditions (-20°F to 200°F) makes these resins suitable for arctic applications to desert deployments.
  • Processing Ease: Room-temperature mixing and pouring eliminate need for specialized equipment, while compatibility with low-pressure static mixing systems enhances production efficiency.
Industrial Applications

These advanced materials serve diverse sectors:

  • Automotive: Bumpers, dashboards, fuel tanks, and fenders requiring impact resistance and weather durability.
  • Agriculture: Machinery components, storage tanks, and sprayers demanding corrosion and UV resistance.
  • Construction: Formwork, piping, water tanks, and septic systems needing structural integrity and leak prevention.
  • Consumer Goods: Toys, recreational equipment, and sporting goods prioritizing safety and longevity.
  • Medical: Device housings, wheelchair parts, and rehabilitation apparatus requiring hygienic, easy-to-clean surfaces.
Technical Specifications

Representative physical properties of select formulations:

RotoMolding Resin 45D
Property Test Method Value
Color/Opacity Visual Amber/Opaque
Flexural Modulus ASTM D790 150k psi
Tensile Strength ASTM D412 3500 psi
Shore Hardness D ASTM D785 45D
Abrasion Resistance (Taber CS17) ASTM D4060 55 mg/1k cycles
RotoMolding Resin 60A
Property Test Method Value
Color/Opacity Visual Transparent
Flexural Modulus ASTM D790 200k psi
Tensile Strength ASTM D412 1200 psi
Shore Hardness A ASTM D785 60A
Processing Guidelines
  • Thorough Mixing: Complete homogenization prior to mold pouring prevents air entrapment that could cause surface defects.
  • Mold Preparation: High-temperature release waxes are recommended for fiberglass molds to facilitate demolding.
  • Equipment Selection: Low-pressure static mixing systems enhance material distribution efficiency.

The development of these specialized resins represents a significant advancement in rotational molding technology, enabling manufacturers to produce robust, precision components with reduced processing complexity.