PlatSil® 73-29 Silicone Rubber

SKU:
121-9L

PlatSil® 73-29 Silicone Rubber is a two-part, platinum-catalyzed, liquid silicone system that cures (RTV) to a white, Shore A30 rubber. This is a pourable rubber, but it can be easily thickened with PlatThix Liquid Thickener or Fumed Silica for brush-on application.

FOR INDUSTRIAL/PROFESSIONAL USE ONLY. 

$165.00
Current Stock:
Looking for larger sizes (e.g., drum kits)?
Please contact Customer Service at 800-858-5990 or sales@polytek.com

Technical Specifications

Mix Ratio by Weight:
1A:10B
Shore Hardness:
A30
Pour Time:
45 min.
Demold Time:
16 hr.
Cured Color:
White
Mixed Viscosity:
15,000 cP
Specific Volume:
25 in³/lb
Specific Gravity:
1.1
Elongation:
531 %
Tensile Strength:
542 psi
Die B Tear Strength:
90 pli
Die T Tear Strength:
39 pli
Cure Inhibition:
Contamination from sulfur (e.g., sulfur-based clay), amines, tin compounds, cured polyester resin, some paints and some silicone rubbers may inhibit surface cure of platinum-cured rubbers.

More Information

Material Calculator

Technical Bulletin

Safety Data Sheet - Part A

Safety Data Sheet - Part B

Kit Components
PlatSil® 73-29 Components
1-lb kit includes: 0.1 lb of PlatSil® 73-29 Part A (~2 oz)
0.9 lb of PlatSil® 73-29 Part B (~1 pint)
9-lb kit includes: 0.9 lb of PlatSil® 73-29 Part A (~1 pint)
8.1 lb of PlatSil® 73-29 Part B (~1 gallon)
44-lb kit includes: 4 lb of PlatSil® 73-29 Part A (~2 quarts)
40 lb of PlatSil® 73-29 Part B (~5 gallons)

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