Advanced Waterproof Sealant for Durable Aluminum and Glass Surfaces

Product Description

Product Parameters

Model NO:  ZZ32
Property	Standard Regulation			Result
Appearance	Exquisite, uniform, no bubbles, no clumps, no gel, no crust and no precipitate			Qualified
Slumpability(mm)	Vertical(mm)		≤3	0
	Horizontal		No deformation	No deformation
Extrusion(mL/min)	≥150			462
Tack free time(h)	≤3			0.8
Elastic recovery (%)	≥80			93
Tensile modulus (Mpa)	23ºC	>0.4  or >0.6		0.8
	-20ºC			/
Tensile properties at maintained extension	No destruction			No destruction
Tensile properties at maintained extension after immersion in water	No destruction			No destruction
Adhesion/cohesion properties at variable temperatures	No destruction			No destruction
Weight loss(%)	≤8			3.0
Alkane plasticizers	0			0
Chemical type	Ketoxime
Movement Capability	25HM

 

Product Description

SMT-998 is a high performance neutral silicone sealant with excellent weatherability, ideally suited for movement joints of the high rise curtain walls 

Features

1.One part , excellent weatherability, unaffected by sunlight, rain, snow and ozone
2.High Performance Silicone
3.Weatherproofing Sealant
4.Excellent resistance to temperature extremes, stable and flexible over -50 ºC to  +170  ºC
5.Good compatibility with other neutral silicone sealants

Typical Uses

1.Weather seal for the high-rise curtain walls and skyscrapers
2.Weather seal for the large-sized metal and glass panel curtain walls, spider systems

Regulatory Compliance

California Proposition 65   (Approved)
▪ Don't contain any chemicals listed on the California Proposition 65 substances list.

EU REACH SVHC Candidate List  (Approved)
▪ Don't contain Substances of Very High Concern (SVHCs) above the limits within EU REACH Regulation.

EU Waste Framework Directive (WFD) - SCIP  (Approved)

▪ISCIP data is not required because the product was declared as having no Substances of Very High Concern (SVHC) above 0.1% wt/wt.

EU REACH Authorisation and Restriction  (Approved)

▪ Don't contain substances found on the List of Substances Subject to Authorisation - Annex XIV to REACH.
▪ Don't contain substances found on the Substances restricted under REACH list - Annex XVII to REACH.

EU RoHS Compliance  (Approved)

▪ Don't contain any RoHS restricted substances.

Persistent Organic Pollutants (POPs)  (Approved)

▪ Don't contain any Persistent Organic Pollutants (POPs) as listed in EU Regulation 2019/1021.
▪ Don't contain any substances listed under the Stockholm Convention on Persistent Organic Pollutants (POPs Treaty).

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