Dow Silastic LS-2323 Fluorosilicone Rubber

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Description for Dow Silastic LS-2323 Fluorosilicone Rubber

A high-modulus 45 durometer rubber base that exhibits excellent fluid d resistance to most hydrocarbon and silicone fluids. Excellent swelling resistance to many commonly used fuels, oils, and solvents, for good<br/>performance in harsh environments.

*See Terms of Use Below

Brand	Silastic
Chemical Resistance	Exhibits excellent fluid d resistance to most hydrocarbon, Exhibits excellent fluid d resistance to silicone fluids, Excellent swelling resistance to many commonly used fuels, Excellent swelling resistance to oils
Application Type	Bond, Molded
1 Part or 2 Part	1-Part
Material Form	Liquid
Substrate	Metals, Rubber
Industry	Consumer Goods
Manufacturer	Dow
Chemistry	Silicone: Fluorosilicone Rubber
Cure Method	Heat
Cure Temperature (°C)	171, 200
Cure Time (min)	10, 480
Color	Off-white
High Temperature Resistance (°C)	175, >225
Low Temperature Resistance (°C)	-57

Best Practices for Dow Silastic LS-2323 Fluorosilicone Rubber

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Technical Data for Dow Silastic LS-2323 Fluorosilicone Rubber

*See Terms of Use Below

Overview

Chemical Resistance
- Chemical Resistance - Exhibits excellent fluid d resistance to most hydrocarbon, Exhibits excellent fluid d resistance to silicone fluids, Excellent swelling resistance to many commonly used fuels, Excellent swelling resistance to oils
Application Type
- Casting / Moldmaking - Molded
- Adhesive - Bond
1 Part or 2 Part
- 1-Part
Material Form
- Liquid
Substrate
- Metal - Metals
- Rubber
Industry
- Consumer Goods
- Industrial - O-rings
Chemistry
- Silicone : Fluorosilicone - Fluorosilicone Rubber
Cure Method
- Heat
Color
- Off-White
Brand
- Silastic

Specifications

Cure Specs

Cure Temperature (°C)	171, 200	Test Method
Cure Time (min)	10, 480	Test Method

Bond Strength

Compressive Strength (psi)	35 (percent)	Test Method
Tensile Strength (psi)	8.78 (MPa)	Test Method

Material Resistance

High Temperature Resistance (°C)	175, >225	Test Method
Low Temperature Resistance (°C)	-57	Test Method

Hardness

Shore A Hardness	48	Test Method
Elongation (%)	325	Test Method
Modulus (psi)	High, 4.65 (MPa)	Test Method

Other Properties

Specific Gravity	1.440	Test Method

Business Information

Shelf Life Details	When stored at 32°C (90°F) in the original unopened container, this product has a usable life of 24 months from the date of production.
Shelf Life Temperature (°F)	90
Shelf Life Type	From the date of production
Shelf Life (mon)	24

Not Good For

Don't Use For	ketones, Phosphate esters

Best Practices for Dow Silastic LS-2323 Fluorosilicone Rubber

*See Terms of Use Below
1. Surface Preparation
  
  Bonding: XIAMETER™ RBM-9400 Primer should be used when bonding unvulcanized SILASTIC LS-2323 Fluorosilicone Rubber and fluorosilicone rubber type compounds to metals.
2. Application
  
  HOW TO USE: Compounding: Pigmentable to most any color shade desired. Suitable for compounding with fillers to produce high-modulus, pressure-resistant compounds and molded goods, such as high performance O-rings.
  
  Fabricating: SILASTIC LS-2323 Fluorosilicone Rubber is primarily used for molding applications using compression, transfer, or injection molding methods.
  
  Blending: SILASTIC LS-2323 Fluorosilicone Rubber and high-modulus fluorosilicone rubber type compounds can be blended with conventional silicone rubber to provide intermediate fluid resistance at intermediate costs.
3. Testing
  
  SILASTIC LS-2323 Fluorosilicone Rubber is routinely tested for physica properties using 1.0 phr 2,5-Bis(tertbutylperoxy)-2,5-dimethylhexane, 45% masterbatch vulcanizing agent
Comparable Materials for Dow Silastic LS-2323 Fluorosilicone Rubber

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Spec Engine^® Results
- Silastic LS-40 Fluorosilicone Rubber(Dow)
  A general-purpose, 40 durometer grade that exhibits excellent fluid resistance to hydrocarbon and silicone fluids. Excellent swelling resistance to many fuels, oils and solvents, for good performance in harsh environments.
- Syl-Off 7786 Coating(Dow)
  An addition-curing, fluorosilicone coating suitable for use as a release coating for specially formulated dimethyl silicone pressure sensitive adhesives. Solventless or solvent based coating options.
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