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Delrin® Product Sheet
Delrin® Renewable Attributed RASC655
for Medical Grade Applications
Product overview
Delrin® RASC655—a medium-viscosity acetal homopolymer
that is ideal for medical grade applications requiring the highest
mechanical properties—supports your sustainability goals with:
• Base polymer produced from 100% certified bio-feedstock from waste
and accredited through the International Sustainability and Carbon
Certification (ISCC) mass balance certification system
• 73% lower product cradle-to-gate carbon footprint
• Reduction of non-renewable fossil resource usage
SC designates Delrin resin grades that are produced under strict
manufacturing controls, undergo extensive testing and comply
with broad regulatory requirements to align with medical grade
product needs including:
Delrin® RASC655 base polymer is produced from certified
sustainable resources and under special control for medical grade
applications. It delivers top-class mechanical properties with
reduced lifecycle greenhouse-gas emissions and lower
fossil resource use.
• Manufactured according to Good Manufacturing Practices (GMP)
• Sterilization data on record
• Selected USP Class VI compliance
• Relevant ISO 10993 compliance
• Global availability
Thanks to the mass balance approach, Delrin® RASC655 offers
the same superior performance and quality as Delrin® SC655
with a lower global warming potential (GWP). (A three panel peer
reviewed Life Cycle Assessment (LCA) was conducted on the
Delrin® RA product in accordance with ISO 14040/14044.)
Delrin® RASC655/SC655 properties
Properties
Value
Unit
Test method
Melt mass-flow rate (MFR 190°C, 2.16kg)
g/10min
ISO 1133
Mold shrinkage (parallel/normal)
2.0/1.9
%
ISO 294-4
Tensile modulus
MPa
ISO 527-1/-2
Tensile strength at yield
MPa
ISO 527-1/-2
Yield strain
%
ISO 527-1/-2
Nominal strain at break
%
Charpy notched at -30°C
Charpy notched at 23°C
ISO 527-1/-2
kJ/m
ISO 179/1eA
kJ/m
ISO 179/1eA
Temp of deflection under load, 1.8MPa
°C
ISO 75-1/-2
Melting temperature, 10°C/min
°C
ISO 11357-1/-3
Density
1.42
g/cm3
ISO 1183
Source: Delrin
For complete data, visit Delrin® Material Data Center at https://delrin.materialdatacenter.com
Tensile modulus
Optimize your resource efficiency
100%
Melt
mass-flow
rate
80%
60%
40%
Yield
strain
20%
0%
Charpy
notched
impact
strength
(23°C)
The use of reground Delrin® has almost no influence on
mechanical properties and molding performance. Five passes
with 100% reground material are possible without any negative
effect on mechanical properties. Using Delrin increases your
internal recycling rate and achieves substantial environmental
and financial savings.
Reliable parts, made to last
Yield
stress
Charpy notched
impact strength (-30°C)
In addition to the ability to make durable parts at possibly higher
production rates, you can count on Delrin for consistent quality
and supply stability, as well as the design, technical and processing
support you need to ensure high-quality parts that deliver on their
promise. For the highest rigidity, best spring-like forces, low creep
and USP Class VI and ISO 109993 compliance, Delrin® RASC655
acetal is an ideal sustainable medical polymer material.
I)-6,*J.HK4;%LL
Delrin® RASC655
Typical MMW Copolymer
(=<,97-.//M.;0<0-=?)6
(=<,97-.N/M.;0<0-=?)6
Typical HMW Copolymer
m ipsum Source: Delrin
Certified sustainability
Delrin® RASC655 is produced using renewable methanol,
produced from waste. A mass balance chain of custody is used
to produce our renewable resin: feedstock from fossil and
renewable origin are mixed within the production units.
A fraction of the final product, equivalent to the amount of
sustainable feedstock used upstream, is labelled renewable.
The supply chain is certified by the International Sustainability
and Carbon Certification (ISCC) system.
Potentially
-12%
part weight
Potentially
-13%
hold pressure
time
CO2e per part
reduction
Cost
reduction
Enable sustainable design
Delrin® RASC655 delivers superior performance
compared to competitive medium molecular weight (MMW)
copolymers, as well as competitive high molecular weight (HMW)
copolymers. With higher tensile properties (+15%) and increased
impact resistance (+30%) achieved on a significantly better flow,
Delrin® RASC655 permits the design of parts with thinner walls
while maintaining full functionality.
Designing lighter parts with Delrin® RASC655 saves energy,
resources and money.
To learn more, contact your Delrin representative or visit Delrin.com.
The information and recommendations contained herein are offered as a service to our customers but are not intended to relieve the user from its responsibility to investigate
and understand other pertinent sources of information and to comply with all laws and procedures applicable to the safe handling and use of these materials. The information
and recommendations provided herein were believed by Delrin to be accurate at the time of preparation or obtained from sources believed to be generally reliable. However, Delrin
makes no warranty concerning their accuracy and Delrin will not be liable for claims resulting from any party’s use of or reliance on information or recommendations contained
herein regardless of whether it is claimed that the information or recommendations are inaccurate, incomplete or otherwise misleading. Caution: For medical applications, discuss
with a Delrin customer representative and consult the Delrin® Medical Caution Statement.
Delrin is an industry-leading premium industrial polymer business. Grounded in strong innovation, Delrin is a category creator with a longstanding reputation for quality,
reliability, supply and product performance. The iconic Delrin brand, coupled with proprietary technology and deep application expertise make us a leader in the high-end
engineering polymer market. Delrin has exciting growth prospects from exposure to automation, actuation, healthcare, mobility and consumer applications.
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