ALSEAL AS205 CLASS 50 HIGH PERFORMANCE 100% NEUTRAL CURE SILICONE SEALANT

Class 50 High Performance Neutral Cure Silicone Sealant

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Description

ALSEAL AS205 is a one-component, Class 50, high-performance 100% neutral cure silicone sealant formulated to provide strong adhesion and durable sealing for glazing, weather sealing and general construction applications. It forms a permanently flexible, weatherproof seal with ±50% movement capability to accommodate joint movement. Its excellent resistance to weathering, UV radiation, moisture and temperature extremes makes it suitable for indoor and outdoor use. The low-VOC formulation adheres to a wide range of common building materials, including aluminium, glass, steel, brick and concrete.

APPLICATION / SUBSTRATES

Curtain wall weather sealing; metal lap joints in roofing, guttering and cladding; aluminium and glass; mirror bonding.

Substrates: aluminium, galvanised and zinc-coated steel, painted surfaces, glass, brick and concrete.

CHARACTERISTICS & BENEFITS

Strong adhesion and durability; permanently flexible; excellent resistance to weathering, UV radiation and moisture; suitable for indoor and outdoor use; low VOC.

MATERIAL / FINISH / COLOUR

Material: 100% neutral cure silicone.
Colours: Translucent, white, grey and black.

SIZE / PACKAGING

AS-205: 300 ml cartridge; 24 cartridges/carton.
AS-205S: 600 g sausage; 20 sausages/carton.

PERFORMANCE / TECHNICAL NOTES

Movement capability: ±50%.
Standards: ASTM C920 and ASTM C719; Type S, Grade NS, Class 50, Use NT, M, A and G.
Food contact: FDA 21 CFR 175.300 compliant.
Low VOC: USEPA Method 24 under SCAQMD Rule 1168.
Other: RoHS I & II; GECA certified. Full submittal package available upon request to support quality assurance, material traceability and project compliance.

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