[{"values":[{"value":"日本語-Japanese","languageCode":"ja-jp","link":"javascript:void(0);"},{"value":"中文-Chinese Simplified","languageCode":"zh-cn","link":"javascript:void(0);"},{"value":"English","languageCode":"en-us","link":"javascript:void(0);"}],"label":"JP","default":"ja-jp"},{"values":[{"value":"日本語-Japanese","languageCode":"ja-jp","link":"javascript:void(0);"},{"value":"中文-Chinese Simplified","languageCode":"zh-cn","link":"javascript:void(0);"},{"value":"English","languageCode":"en-us","link":"javascript:void(0);"}],"label":"CN","default":"zh-cn"},{"values":[{"value":"日本語-Japanese","languageCode":"ja-jp","link":"javascript:void(0);"},{"value":"中文-Chinese Simplified","languageCode":"zh-cn","link":"javascript:void(0);"},{"value":"English","languageCode":"en-us","link":"javascript:void(0);"}],"label":"US","default":"en-us"}]

SILASTIC™ RTV-4251-S2 Base and Curing Agent

High strength, lower durometer silicone rubber suited for many moldmaking applications. Recommended for use with plaster, cement and rigid polyurethane and can be used with polyesters.

Properties

These values are typical properties and are not intended for use in preparing specifications.

  • Approximate De-mold Time 6 to 8 hrs
  • Color Off-White
  • Cure Type Addition Cure
  • Durometer - Shore A 20 Shore A
  • Elongation 600 %
  • Mix Ratio 10:1 Base to Catalyst 87-RC
  • Mixing Viscosity 9000 Centipoise
  • Number of Parts Two
  • Polyesters true
  • Specific Gravity @ 25C 1.13
  • Tear Strength 130 ppi
  • Tensile Strength 910 psi
  • Working Time 60 Minutes
  • DOWSIL™ 3-6559 Cure Accelerator
    Cure Accelerator, to speed up room temperature cure of all addition-cure (platinum cure) mold making silicone rubbers. It can also be used as a surface treatment to prevent inhibition. Contains a silicone polymer and platinum catalyst.

  • DOWSIL™ 1-2287 Intermediate (MV-CYC-4)
    Cure retardant that can be used to slow down room temperature cure of all addition cure (platinum cure) mold making silicone rubbers.

  • DOWSIL™ HS II Thixotropic Additive

    Clear liquid that can be used with DOWSIL™ HS II, HS III, HS IV and with Silastic 3498, E, P-1, S, S-2, T-2, T-4, and V SIlicone Rubbers to produce skin molds on vertical surfaces or from immovable objects.


  • DOWSIL™ Cleaner & Surface Prep
    Non Ozone depleting, VOC exempt, Silicone cleaner to clean Plastic and Metals, excellent for removing oils, silicone-based car wax and protectants.

  • XIAMETER™ PMX-200 Silicone Fluid 50 cSt
    100% active, 50 cSt, polydimethylsiloxane polymer. INCI Name: Dimethicone

Similar Products

  • SILASTIC™ RTV-4250-S Base and Curing Agent
    High strength silicone rubber suited for prototyping, production tooling, artistic and renovation applications. Recommended for use with polyesters, cement and rigid polyurethanes also can be used with plaster.

No Safety Data Sheets are available online for this material
Please Contact Dow for additional information.

No sales specification could be found for this material in selected language

SILASTIC™ RTV-4251-S2 Base and Curing Agent
No Technical Data Sheets are available for this product
Please Contact Dow for additional information.

SILASTIC™ RTV-4251-S2 Base and Curing Agent


No Regulatory Data Sheets are available for this product


SILASTIC™ RTV-4251-S2 Base and Curing Agent
Please Contact Dow for distribution options available for this product.