description

Dow Corning HM-2520 Assembly Sealant is a 100 percent silicone, neutral-cure sealant formulated to have immediate adhesion which offers assembly improvements and uses in many production applications. Products made with this can be immediately handled. As a viscoelastic material, when cured and then exposed to high temperatures, this product will soften but recovers to its typical properties when cooled down.

Applications –

FEATURES

Instant green strength
100% silicone
Low VOC (VOC exempt in CA)
Safe to handle – nonhazardous composition and by-products
Neutral cure
Adheres to most common substrates
Open time up to 15 minutes
Pot life up to 24 hours
Translucent Clear
Service temperatures from -50 to 300°F (-45 to 150°C)
Can be used with standard hot melt dispensing equipment
High tensile strength

APPLICATIONS

Dow Corning HM-2520 Assembly Sealant is designed for use as an assembly sealant. This product utilizes hot melt technology to dispense the material which utilizes silicone technology to achieve instant green strength when dispensed and cures to strong moisture cured silicone sealant.

FEATURES

Стандарт
Показатель
Ед. изм.
Значение
Цвет
Полупрозрачный
Диапазон рабочих температур
°С
от -45 до +150
CTM 0243
Время до образования первичной пленки
мин
15
ASTM D 412
Предел прочности на разрыв
МПа
4,83
ASTM D 412
Относительное удлинение при разрыве
%
1000
ASTM C 661
Твердость по Шору А
33
CTM 0044
Удельный вес
г/мл
1,12
Модуль упругости
МПа
0,48
Срок годности
дней
360