San Diego Plastics
2220 McKinley Avenue
National City  CA  91950
800/925-4855   619/477-4855   FAX 619/477-4874
 

COPOLYMER POLYPROPYLENE

PROTEC COPOLYMER POLYPRO FROM SAN DIEGO PLASTICS

 Protec® Copolymer Polypropylene is one of various types of "impact copolymers"- a rapidly growing segment of the thermoplastic sheet market. In contrast to homopolymer polypropylene (which involves the polymerization of a single monomer), impact copolymer synthesis consists of additional copolymerization of propylene and ethylene in a secondary reactor. By varying the secondary reactor conditions and the quantities of comonomer used, final properties can be tailored to meet a wide range of specific end-use application characteristics.

Key Benefits

  • Good impact resistance, even at zero temperature
  • Excellent corrosion resistance over a wide temperature range
  • Lightweight, with exceptionally high strength-to-weight ratio
  • Excellent formability - suitable for deep drawing
  • Highly machinable and weldable
  • Ideally suited to withstand cracking due to environmental stress
  • Excellent electrical properties
  • Good abrasion resistance

Typical Properties

Property Units Value(1) ASTM Method
Physical
Density(3) g/cm3 .901 D 792
Nominal Melt Flow g/10 min. 0.7 D1238
Rockwell Hardness R Scale 92 D 785
Melting Point(7) oC/oF 164/327 Aristech
Mechanical
Tensile Strength @ Yield(4)

 

psi

MPa

3600

25

D 638
Elongation @ Yield(4) % 13 D 638
Flexural Modulus psi

MPa

160,000

1,103

D 790A

Izod Impact(5)

     Notched @ 73 oF

     Notched @ 23 oC

     Notched @ 0 oF

     Notched @ -18 oC

 

ft-lb/in

J/m

ft-lb/in

J/m

 

10

534

0.8

43

 

D 256

 

D256

Dart Drop Impact(6)

     @ -22 oF

     @ -30 oC

 

ft-lb/in

J

 

35

47

Aristech
Product Availability
Color Finish Thickness Width Length
Black Smooth 1/8" - 3" 48" 96"
1/8" - 3" 48" 120"
1/4" - 2" 60" 120"
White Smooth 1/4" - 2" 48" 96"
1/4" - 2" 48" 120"
1/4" - 2" 60" 120"

 

(1)    Injection Molded Specimens where applicable.

(2)    230 oC/2.16 kg

(3)    at 73 oF (23 oC)

(4)    Type I specimen at 2 in/min (50 mm/min) speed

(5)    1/8 inch (3.2 mm) bar

(6)    100-mil (2.5 mm) plaque

(7)    by DSC

Protec® meets the standards established by FDA regulation 21 CFR 177.1250 for all food contact.

Warranty
    All sheeting guaranteed void-free, the limit of our warranty is your money refunded or defective material replaced; no other warranties are expressed or implied.
1    Physical properties of plastic sheeting are represented as "Typical." Information contained herein is considered accurate to the best of our knowledge. It is offered for your consideration and investigation, and is not to be construed as a representation or warranty expressed or implied. Our warranties are limited to those expressly stated in formal contracts or in conditions of sale on our invoices and order acceptances. Conditions and methods of use may vary and are beyond the control of San Diego Plastics, therefore, San Diego Plastics disclaims any liability incurred as a result of the use of this product in accordance with the data contained in our physical property charts. No information herein shall be construed as an offer of indemnity for infringement or as a recommendation to use the products in such a manner as to infringe any patent, domestic or foreign.
    The "Typical" properties of our plastic sheet cannot be automatically used when engineering finished components; and the fabricator or end user is responsible for insuring the suitability of our products for their specific application or end use!

 

Polypropylene Sheet


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