SikaHyflex®-305 AP

Application

:

Outdoor | Indoor

Chemical Base

:

Neutral cure silicone

Colour

:

Grey | Black

Colour option

:

Colour available on request

Shelf Life

:

12 months for cartridges from the date of production

Storage Conditions

:

In dry conditions where it is protected from direct sunlight

Usage

:

Weather sealant for curtain wall and metal cladding facades

Packaging

:

300 ml cartridge | 25 cartridges per box

Ambient Air Temperature

:

+5 °C to +40 °C | Minimum 3 °C above dew point temperature

Backing Material

:

Use closed cell, polyethylene foam backing rods

Curing Rate

:

~2 mm /24 hours (23 °C/ 50 % r.h.) (CQP 049-2)

Density

:

~1.50 kg/ l (ISO 1183-1)

Elastic Recovery

:

~80 % (ISO 7389)

Good Adhesion To A Wide Range Of Substrates

:

Yes

Joint Design

:

The joint width shall be ≥ 6 mm and ≤ 45 mm | The joint depth shall be ≥ 6 mm and ≤ 15 mm | A width to depth ratio of 2 : 1 must be maintained

Movement Capability

:

± 25 % (ISO 9047) | ± 50 % (ASTM C 719)

Movement Capability Of ±50 % (ASTM C 719)

:

Yes

Neutral Cure

:

Yes

Resistance to Weathering

:

10 (ISO / DIS 19862)

Sag Flow

:

~2 mm (20 mm profile | 50 °C) (ISO 7390)

Secant Tensile Modulus

:

~0.35 N/ mm² at 100 % elongation (23 °C) (ISO 8339) | ~0.40 N/ mm² at 100 % elongation (−20 °C)

Service Temperature

:

−40 °C to +150 °C

Shore A Hardness

:

~25 (After 28 days) (ISO 868)

Skin Time

:

~25 minutes (23 °C/ 50 % r.h.) (CQP 019-1)

Solvent-Free

:

Yes

Substrate Temperature

:

+5 °C to +40 °C

Tack Free Time

:

~160 minutes (23 °C/ 50 % r.h.) (CQP 019-1)

Tear Propagation Resistance

:

~4.5 N/ mm (ISO 34)

Very Good Resistance To Weathering

:

Yes

Very Good Workability

:

Yes

Certification

:

ISO 14001 SGS | ISO 9001 SGS | ASTM C 920 Class 50