Select Your Region: 
TOLL FREE: 800-466-1467
 
Customer Login
quality plastic fasteners for over 50 years
MENU











Micro Plastics Material Data



*** NOTICE ***

Some of the information provided may be out of date.  We are working to correct this issue.  In the meantime, in order to ensure accurate material information, please contact our customer care department and request updated material data.

 

Material: POLYSTYRENE IMPACT MODIFIED:



POLYSTYRENE IMPACT MODIFIED (HIPS)
DOW STRYON HIGH IMPACT POLYSTYRENE PS DOW 478 W-27-NT (HIPS)
Dow Styron High Impact Polystyrene PS Dow 478 W-27-NT
Styron� 478 is a high impact polystyrene with high flow, good gloss, excellent stiffness, high heat and impact resistance. It is used in applications such as toys, appliances, house wares, medical and consumer electronics.
 
APPLICATIONS
Burn-out plugs
 
Agency Ratings
��������� USP XXIII, Class VI
��������� FDA 21 CFR 177.1640
��������� � UL 94
 
Properties
Physical Nominal Values (English) Test Method
Density - Specific Gavity 1.04sp gr 23�/23�C ASTM D792
Melt Flow Rate (200�C/5.0kg - G) 6.00 g/10 min ASTM D1238
Mold Shrink, Linear-Flow 0.0030 to 0.0070 in/in ASTM D955
 
Mechanical Nominal Values (English) Test Method
Tensile Modulus (2 in/min) 306,000psi ASTM D638
Tensile Strength @ Yield (2 in/min) 3,300psi ASTM D638
Tensile Strength @ Break (2 in/min) 3,300psi ASTM D638
Tensile Elongation @ Break (2 in/min) 45% ASTM D638
Flexural Modulus (0.05 in/min) 327,000psi ASTM D790
Flexural Strength (0.05 in/min) 7,000psi ASTM D790
 
Impact Nominal Values (English) Test Method
Notched Izod Impact ASTM D256
��������� (0�F, 0.125 in, 10 mil notch) 1.00 ft-lb/in
��������� (73�F, 0.125 in, 10 mil notch) 2.30 ft-lb/in
Gardner Impact @ (73�F) 100 in-lb ASTM D3029
 
Hardness Nominal Values (English) Test Method
Rockwell Hardness ASTM D785
��������� (R-Scale) 105
��������� (L-Scale) 70
 
Thermal Nominal Values (English) Test Method
DTUL @ 264psi - Unannealed (0.125 in) 172�F ASTM D648
DTUL @ 66psi - Unannealed (0.125 in) 188�F ASTM D648
Vicat Softening Point 217�F ASTM D1525
CLTE, Flow (-40�F to 180�F (-40�C to 82�C)) 5.0E-005 in/in/�F ASTM D696
 
Ignition Characteristics Nominal Values (English) Test Method
Flame Rating - UL (0.0580 in) HB UL 94

 
Skip Navigation LinksHOME : TECHNICAL DATA : MATERIAL LIST : MATERIAL DATA

Best Viewed in IE 6, Firefox 2, Opera 9, and Safari 1 (listed versions or later)
Recommended Screen Size of 1024 x 768 (or larger)
2007 - 2009 Micro Plastics, Inc. All Rights Reserved