Rapid Prototype Company

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DSM Somos® WaterShed™ 11120

 Durable stereolithography material that simulates polypropylene.

  • Optically clear appearance.
  • Water-resistant parts.
  • Consumer electronic components.
  • Water flow analysis.
  • Great for viewing internal components.
  • Excellent for presentation models.

Mechanical Properties
ASTM Method Description WaterShed™ 11120 ABS (transparent) Polybutylene Terephthlate®
D638M Tensile Strength
Elongation at Break
Elongation at Yield
Modulus of Elasticity		 6831-7774 psi
11 - 20%
3.3 - 3.5%
384 - 418 kpsi		 6.628 psi
41.6%
n/a
290,000 psi		 7977 psi
20%
3.5 - 9%
391,302 psi
D790M Flexural Strength
Flexural Modulus		 9,152 - 10,756 psi
296 - 344 kpsi		 10,660 psi
344,000 psi		 11,603 psi
362,594 psi
D256A Izod Impact-Notched 0.4 - 0.6 ft lb/in 1.5 - 2.0 ft lb/in 0.56 ft lb/in
D542 Index of Refraction 1.513 - 1.515 1.52 n/a
D2240 Hardness (Shore D) n/a n/a 98 - 120 (Rockwell R)
D1004 Graves Tear 833 - 858 lbf/in n/a n/a
D570-98 Water Absorption 0.35% 0.2 - 0.45% 0.16%
D149-97a Dielectric Strength 390 - 413 V/mil 350 - 500 V/mil 373 - 762 V/mil
E1545-00 Tg 102 - 109° F   106° F
D648-98c HDT @ 0.46 MPa
HDT @ 1.81 MPa		 115 - 130° F
120° F		 201 - 405° F
187 - 381° F		 302° F
142.3° F
Seller makes no representation, express or implied, including the merchantability or fitness to a particular purpose.  No statements herein are to be construed as inducements to infringe any relative patent.  Under no circumstances shall seller be liable for incidental, consequential or indirect damage for alleged negligence, breach of warranty, strict liability, tort, or contract arising in connection with the product(s).  Buyer's sole remedy and seller's sole liability for any claims shall be buyer's purchase price.  Data and results are based on controlled or lab work and must be confirmed by buyer by testing for its intended conditions of use.  The product(s) has not been tested for, and is therefore not recommended for, uses for which prolonged contact with mucous membranes, abraded skin or blood is intended or for uses for which implantation within the human body is intended.

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4141 N. Atlantic Boulevard, Auburn Hills, MI 48326
Phone:  (248) 391-6600     Fax:  (248) 393-8430
E-mail:  rapid@rpparts.com