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Exotic Metrology-Grade Rubber--Self Curing in Minutes
Virtually Perfect Replica Casting of Internal and External Forms
Non-Toxic--Easy To Use--100 Times Faster Than RTV Silicones
No Release Agent is Ever Needed.
Excellent For Checking Parts With Optical Comparators!


Thin Pour
reprorubber thin pour


Quick Setting Putty

reprorubber quick setting putty

Final Color- LIGHT GREEN
For Internal-shape applications where a thin pour will completely fill the cavity without voids. A complete replica casting is quickly formed. 

  • Manipulation time is 5 minutes and cure time is 15 minutes
  • Start to finish: 20 minutes.

New Trial Size Kit Now Available
Order Flex.16116-Thin Pour
130ml Trial Kit

Standard Size Kits:
Order FLEX.16135- Thin Pour
380ml Kit
Order Flex.16137-Case of 10
380ml Kits.


Final Color- LIGHT BLUE
Roll two equal-size balls of catalyst putty and base putty and simply knead them together like dough. Excellent for external shapes. Simply spread over master pushing down with fingers and wait for cure 8-10 minutes. You have 3 or 4 minutes of manipulation time. Therefore 14 minutes start to finish. You can also cast internal shapes and cavities but some pressure should be applied such as a weighted object on top. 

New Trial Size Kit Now Available
Order Flex.16129- Quick Putty
220ml Trial Kit

Other Kits:
Order Flex.16130- 1¾ lb. (520ml)
Introductory Kit
Order FLEX.16131- 7 lb. (2150ml)



Mix Time (Stirring in a cup) 30-45 seconds 30-45 seconds
Working time (manipulation Time) 4 minutes 2 minutes (from beginning of mix)
Setting time (at room temperature) 10-15 minutes 6 minutes
Permanent Deformation 0.2% 0.3%
dimensional Stability Less than 0.50% Less than -0.25%
Tear Strength 44 pounds per sq. inch 105 pounds per sq. inch
Elongation 60% at break 6.3% at break
Durometer (Shore A-2) 30 (at 15 minutes) 50 (at 7 minutes)
Temperature Stability 1 week @ 60°C 1 week @ 60°C
You can take impressions of:


Other Uses Include:

  • Fixturing where semi-rigid structure is desired.
  • Making joints where flexibility is required.
  • Prototypes of rubber type components such as gaskets, washers, etc.
  • As a mask for high temperature plasma spray of metallic coatings.
replica of part
replica of part


  • Replica is easy to remove- even if there are under cuts or grooves.
  • Cross-sectioning of replica is easily accomplished with a knife or razor.
  • It can then be checked on an optical comparator or microscope.
  • Surface finish replication is exact with excellent optical properties.
  • Reprorubber copies can be recopied (copy from "female mold" yields a male-shaped replica) See page 7 of catalog-EPOXY PARFILM ULTRA.
  • Replicas are permanent-will not leach or ooze out nor outgas.
  • REPRORUBBER PUTTY will withstand up to 600°F (or more)

For Reprorubber® Thin Pour Users


A "Ready-To-Fill” Mixing and Dispensing System that Enables You to Make Quick and Accurate Reprorubber Replicas...Without Manual Mixing and Fuss!

repro mix dispensing system


  • 50ml dual barrel syringe with reusable end cap; easily filled by pouring contents of Reprorubber into cartridge barrels.
  • Disposable low cost Helix Mixing Nozzle Tips easily attach to and detach from dual barrel syringe.
  • REPRO-MIX Dispensing Gun.

#FLEX.16132 -Complete REPRO-MIX™ Kit consisting of 1 each REPRO-MIX™ Dispensing Gun, 10 each 50ml, Dual Barrel Cartridges, 20 each Helix Mixing Nozzle Tips, Caps, Plugs and complete instructions for usage
#FLEX.16133 - Dual Cartridge Replacement Pac (10 each including caps and plugs)
#FLEX.16134 - Helix Mixing Nozzle Tip Pac (20 each)


Everything You Need in a Handy, Portable Fitted Case.

dispense kits dispense kit

Now Available In Easy-To-Use, Prefilled Quick Dispense Cartridges

Supplied in Two Viscosities:

I. The Original Reprorubber Thin Pour (Green) ideal for internal-shape applications.

II. The New Reprorubber Orange, Medium Body, Multi-Use Formula for internal & external applications.

dispense kit

Reprorubber Quick Dispense Cartridge System Kits contain everything you need to easily create Highly Accurate, Zero Shrinkage replicas. Each kit includes 1 each Repro-Mix II Reusable Dispensing Gun, 6 each 50ml Prefilled Reprorubber Disposable Cartridges, 15 Disposable Mixing Nozzles, and a Deluxe Fitted Carrying Case.

orange dispense cartridge filling gear with repro mix

Shown Above: Quick Dispense internal casting (left) and external casting (right) using the new Flexbar Repro-Mix II Dispensing Gun System.

FLEX.16300 Reprorubber Thin Pour (Green) Quick Dispense Cartridge System Kit Complete
FLEX.16305 Reprorubber Orange (Medium Body) Quick Dispense Cartridge System Kit Complete
FLEX.16309 Reprorubber Combo Kit Quick Dispense Cartridge System Kit, Includes 3 each Thin Pour & 3 each Orange
FLEX.16301 Reprorubber Thin Pour (Green) 50ml Cartridge, 1 each
FLEX.16302 Reprorubber Thin Pour (Green) 50ml Cartridges, 6 pack
FLEX.16306 Reprorubber Orange (Medium Body) 50ml Cartridge,1 each
FLEX.16307 Reprorubber Orange (Medium Body) 50ml Cartridges, 6 pack
FLEX.16311 Repro-Mix II Dispensing Gun (reusable)
FLEX.16313 Repro-Mix II Helix Mixing Nozzles, 15 Pack
FLEX.16315 Quick Dispense Cartridge System Fitted Case (without contents)
FLEX.16314 Micro Injector Nozzle, Pack of 15


Trademarks are the properties of their respective owner(s).

October 2022, March 2021, updated September 2013, December 2009 CSS,

The descriptions, illustrations, specifications, dimensions, and part numbers are subject to change without notice.

Servicing the Canadian provinces and territories of
Newfoundland, NF, NL, Nova Scotia, NS, New Brunswick, NB, Prince Edward Island, PEI, PE, Quebec, PQ, QC, Ontario, ON, Manitoba, MB, Saskatchewan, SK, Alberta, AB, British Columbia, BC, Northwest Territories, NT, Nunavut, NU, Yukon, YT

Servicing Canadian cities,
Toronto, Mississauga, Scarborough, Laval , Montreal, Montréal, Vancouver, Ottawa, Gatineau, Calgary, Edmonton, Québec City, Winnipeg, Hamilton, Kitchener, Cambridge, Waterloo, London, St. Catharines , Niagara, Halifax, Oshawa, Victoria, Windsor, Saskatoon, Regina, Sherbrooke, St. John's, Barrie, Kelowna, Abbotsford, Mission, Sudbury Kingston, Saguenay, Trois-Rivieres, Trois Rivieres, Trois-Rivières, Guelph, Moncton, Brantford, Saint John, Thunder Bay, Peterborough, Ajax, Aurora, Brampton, Brock, Burlington, Caledon, Clarington, Durham Region, Oshawa, Pickering, Whitby, Halton Hills, Milton, Oakville, Mississauga, New market, Richmond Hill, Vaughn, Orangeville

Servicing US cities,
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