Materials Development

Precision manufacturing starts with superior materials development. Cirtec provides comprehensive in-house capabilities and extensive experience guaranteeing this critical step is handled by experts charged with meeting all your required performance characteristics and specifications.

How we do it:

  • Comprehensive materials development in on-site laboratory
  • Extensive library of proprietary active formulas
  • Optimization of mixing/compounding methods by experienced engineers
  • Extensive new compound development and formulation control research and development
  • Meeting and exceeding expectations through collaboration with customers
  • In-house mixing capabilities for both organic and silicone compounds
  • Each batch approved before being sent to production
  • Customized color products
  • Silicone purchasing power
  • Custom formulations
  • Pharmaceutical Class VI compounds
  • Large numbers of DMF listed compounds from synthetic polyisoprene to butyl-halobutyl rubbers
  • Low extractable and leachable compounds
  • Highly resealable compounds
  • Compounds with low metal ions

Elastomeric Types

  • Silicone
  • Polyisoprene (IR)
  • Styrene Butadiene (SBR)
  • EPDM
  • Nitrile (NBR)
  • HNBR
  • Butyl (IIR)
  • Halobutyl (CIIR & BIIR)
  • Polyurethane (PU)
  • Polychloroprene (CR)
  • Various Polymer Blends

Lab Equipment

  • State-of-the-art analytical laboratory
  • Mooney viscometer
  • Rubber process analyzer (RPA 2000)
  • Oscillating disc rheometer (ODR)
  • Moving die rheometer (MDR)
  • Universal testing machines
  • Compression relaxation testing
  • Back pressure tests
  • Durometer/hardness tester
  • pH meter
  • Ultraviolet/visible spectrometer (UV-VIS)
  • Atomic absorption spectrometer (AA)
  • Tubiditimeter
  • Fourier transform infrared spectrometer (FT-IR)
  • Differential scanning calorimeter (DSC)
  • Thermogravimetric analyzer (TGA)
  • Dynamic mechanical analyzer (DMA)
  • Spectrophotometer
  • Dielectric tester
  • XRF analyzer
  • Pull tester
  • Wick tester

Specifications

  • Compression Set
  • Tear strength
  • Tensile strength
  • Hardness
  • Elongation
  • Modulus
  • Aging properties
  • Swelling
  • Rheology – variable temperature analysis
  • Rheology – frequency/strain/temperature sweeps

Capabilities

  • Tests as per USP standards
  • Chlorination
  • Surfactant treatment
  • Parylene coating
  • Siliconization and silicone level analysis
  • Precision slitting capabilities with dimensional check
  • Precision auto high-speed vision inspection systems
  • Elastomer-to-elastomer bonding and assembly
  • Leak testing
  • Comprehensive milling and mixing capabilities
    • Lab-scale internal mixing for quick prototyping
    • Mills 72” hydraulic blending (with stock blender)
    • Four mixing lines
    • Dedicated medical mixer
    • Material mixers 90 to 110 liters

Curing Processes