Dow SR-7010

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Description for Dow SR-7010

Hard, clear LED resin for fabricated parts, high refractive index/excellent light transparency; hard-resin material for molding fabricated parts.

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Application Type	Seal
1 Part or 2 Part	2 Part
Material Form	Resin
Industry	Light Emitting Diodes (LEDs), Optical parts
Manufacturer	Dow
Chemistry	Silicone, Solvent-free
Cure Method	Heat, Addition cure
Cure Temperature (°C)	150
Cure Time (min)	1.00
High Temperature Resistance (°C)	200
Low Temperature Resistance (°C)	-45
Light Refractive Index (RI)	High, 1.5320, 1.5160, 1.5140

Best Practices for Dow SR-7010

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Technical Data for Dow SR-7010

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Overview

Application Type
- Sealant - Seal
1 Part or 2 Part
- 1 Part or 2 Part - 2 Part
Material Form
- Other - Resin
Industry
- Optical - Optical parts
- LED (Light-Emitting Diodes) - Light Emitting Diodes (LEDs)
- Other - Lenses
Chemistry
- Solvent-Free
- Silicone
Cure Method
- Heat
- 2-Part Cure - Addition cure

Specifications

Cure Specs

Cure Temperature (°C)	150
Cure Time (min)	1.00
Mix Ratio	1:1 (by volume)

Material Resistance

High Temperature Resistance (°C)	200
Low Temperature Resistance (°C)	-45

Conductivity

Dielectric Strength (V/mil)	Durable

Hardness

Shore D Hardness	67
Flexibility	Flexible

Other Properties

Light Refractive Index (RI)	High, 1.5320, 1.5160, 1.5140	Test Method
Coefficient of Thermal Expansion (CTE)	200 (ppm/°C)
Flash Point (°F)	212.0
% Solids (%)	100

Business Information

Shelf Life Details	Shelf life is indicated by the “Use Before” date found on the product label., Dow Corning two-part products should be stored at or below 25°C (77°F). Containers should be kept tightly closed at all times to extend shelf life., Check the product label for specific storage conditions.
Shelf Life Type	From date of manufacture
Shelf Life (mon)	9

Best Practices for Dow SR-7010

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1. Surface Preparation
  
  Surfaces should be clean and dry. Recommended cleaning methods include Dow Corning® brand OS Fluids, naphtha, mineral spirits, methyl ethyl ketone (MEK) or other suitable solvent. Rougher surfaces tend to promote adhesion of silicones to other surfaces.
2. Application
  
  These products are also compatible with commercially available equipment and industry standard processes. These materials can be dispensed or molded depending on the product and application.
3. Clean-Up
  
  Dow Corning OS Fluids are recommended to clean cured or uncured silicone residue from application equipment.
4. Testing
  
  If a substrate or material is questionable with respect to potentially causing inhibition of cure, it is recommended that a small scale compatibility test be run to ascertain suitability in a given application. The presence of liquid or uncured product at the interface between the questionable substrate and the cured silicone indicates incompatibility and inhibition of cure.
Comparable Materials for Dow SR-7010

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Spec Engine^® Results
- OE-6635(Dow)
  2-part, high viscosity, solvent-less, high RI, transparent, heat-cure silicone resin, clear LED resin for fabricated parts
- Q3-3526 Adhesive Sealant(Dow)
  Fast curing non-slump two-part silicone adhesive/sealant
- Dowsil 3-4170 Dielectric Gel(Dow)
  • Clear • Fast heat cure • Long working time and low viscosity aid process flexibility • Impregnation may be successful without vacuum
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