Momentive RTV 627 Grey Silicone Rubber Compound

RTV627 silicone rubber compound is a two-component room temperature vulcanizing Momentive Performance Materials rubber compound for potting and encapsulation, particularly where flammability is of concern. This product is supplied with curing agent in matched kits which are designed for use at a convenient 1:1 ratio by weight or volume.

FEATURES:

Convenient 1:1 mix ratio by weight or volume for use in automatic dispensing or hand operations
Chemical composition contains no solvents for ease of use on production lines
Low viscosity allows easy flow in and around complex parts
Cure rate can be accelerated by heat
Will cure in deep sections or enclosed assemblies without exotherm and with low shrinkage
Reversion resistant and hydrolytically stable
Recognized by Underwriters Laboratories with a flammability classification of UL94V-0 in a sample thickness of 3.2 mm (0.125 in.)
Retention of elastomeric properties at temperatures up to 204°C (400°F)

UNCURED PROPERTIES	RTV 627A	RTV 627B
Color	Black	Beige
Consistency	Easily Pourable	Easily Pourable
Viscosity, cps	1380	1120
Specific Gravity	1.37	1.38

UNCURED PROPERTIES WITH CURING AGENT ADDED

Color	Dark Gray
Consistency	Easily Pourable
Viscosity, cps	1270
Work Time @ 25°C (77°F), hrs	2
CURED PROPERTIES (Cured 1 hr. @ 100°C/212°F)
Hardness, Shore A Durometer	62
Tensile Strength, kg/cm2 (psi)	33 (475)
Elongation, %	60
Tear Strength, kg/cm (lb/in)	3.4 (19)
Shrinkage, %	1.3

TDS:Download

Get MSDS

Leave your information via Form, our Technical Support Team will contact you shortly!

Your Name:

Email:

Mobile Phone:

Department:

Industry:

Company Name:

Company Webiste URL:

Headquater Country:

Business Nature:

Country of Operation:

City:

Requirement:

Potting Materials for Advanced Smart Rings Quality

https://prostech.vn/potting-materials-for-advanced-smart-rings-quality/

1. The Challenge: Why Traditional Potting Materials Fail in Smart Rings1.1. Bubble Formation in Potting1.2. Yellowing in Potting1.3. The Curing

Potting Compounds – How to choose the right one?

https://prostech.vn/potting-compound-classification/

Three common types of potting compounds1. Epoxy Potting Compounds 2. Silicone Potting Compounds3. Polyurethane (PU) Potting CompoundsHow to Choose the