H.B. Fuller

Applications & Uses

Application Instructions

For best result, clean and dry all surface to be sealed.
Apply a continuous and even bead of silicone to one surface.
Assemble parts. Remove excess with knife.

Curing Profile

Recommended cure: Curing depth is 2mm at 21 - 25°C, 45 - 55% RH for 24h

Features

Ready-to-Use Product Features: Excellent Dielectric Properties,

Flame Retardant,

Good Thermal Stability,

Good Weather Fastness,

UL Listed,

UV Resistant

Packaging & Availability

Country Availability

China (Mainland)

Regional Availability

Asia Pacific
Europe
North America
India/MiddleEast/Africa (IMEA)

Packaging Information

310ml
400ml
600ml
25kg
270kg

Physical Properties

Color (Properties): White
Physical Form: Paste
Appearance: White paste

Properties

Density:

1370 kg/m³

Specific Gravity:

1.37

Note

* - Cure speed will vary with temperature, relative humidity, depth of material and presence of moisture.

** - Measured on cured sheets approx. 2mm. Cured at 21 - 25°C, 45 - 55% RH for 14 days, tested at 21 - 25°C.

Cured Properties


	Value	Units	Test Method / Conditions
Curing Depth (at 21 - 25°C, 45 - 55%RH, 24 hr)	2	mm	-
Curing Rate* (at 21 - 25°C, cured fixture/full, 45 - 55% RH, 24h)	6	g/m²/h	GB/T 5208, ISO 3679
Flash Point* (cured at 21 - 25°C, 45 - 55 % RH)	min. 93	°C	GB/T 5208, ISO 3679
Operational Temperature* (cured at 21 - 25°C, 45 - 55 % RH)	- 54 to 210	°C	GB/T 5208, ISO 3679

Electrical Properties


	Value	Units	Test Method / Conditions
Dielectric Strength	20	kV/mm	GB/T 1695, IEC 60243-1
Volume Resistivity	1.0 x 10¹⁵	Ω-cm	GB/T 1692, IEC 60093

Technical Data


	Value	Units	Test Method / Conditions
Density	1.37	g/cm³	-
Extrusion Rate	10 - 20	s/20g	-
Viscosity	White paste	-	-
Work Life	5 - 15	m	-

Damp Heat Aging Test Properties


	Value	Units	Test Method / Conditions
Elongation at Break (at 85°C, 85% RH, 1000h)	320	%	GB/T 528, ISO 37
Tensile Strength (at 85°C, 85% RH, 1000h)	1.6	MPa	GB/T 528, ISO 37

Cured Mechanical Properties


	Value	Units	Test Method / Conditions
Adhesion Strength (Measured on cured sheets ~2mm, Cured at 21 - 25°C, 45 - 55 % RH for 14 days, tested at 21 - 25°C)	1.8	MPa	GB/T 7124, ISO 4587
Elongation at Break (measured on cured sheets ~2mm, Cured at 21 - 25°C, 45 - 55 % RH for 14 days, tested at 21 - 25°C)	300	%	GB/T 528, ISO 37
Hardness (measured on cured sheets ~2mm, Cured at 21 - 25°C, 45 - 55 % RH for 14 days, tested at 21 - 25°C)	48	Shore A	GB/T 531, ISO 7619
Tensile Strength (Measured on cured sheets ~2mm, Cured at 21 - 25°C, 45 - 55 % RH for 14 days, tested at 21 - 25°C)	2.3	MPa	GB/T 528, ISO 37

Typical Properties


	Value	Units	Test Method / Conditions
Curing Temperature (at 45 - 55 %RH, 24 hr)	21 - 25	°C	-

Appearance

White paste

Storage & Handling

Disposal Advice

Allow adequate ventilation when using.
Avoid prolonged skin contact.
In case of eye contact, flush with water and seek medical attention.
This product is not recommended for use in pure oxygen and/or oxygen rich systems and should not be selected as a sealant for chlorine or other strong oxidizing materials.

Storage Condition

Product shall be ideally stored in a cool, dry area in unopened containers at room temperature.

Shelf Life

12 months

Tonsan® 1527 White

Enhanced TDS

Identification

Application Information

Applications