Detailed Product Description

HD-668 neutral silicone weatherproof sealant is a single-component, dealcoholizational, neutral curing silicon sealant designed for all sorts of windoor fixing joints and gap-filling in inner fitment.

1) ready to use, neutral cure at room temperature

2) excellent extrudability and thixotropy at a range of temperatures 4-40 degree centigrade

3) excellent unprimed adhesion to most common building substrates

4) superb weatherproofing,aging-resistant,ultraviolet-resistant,ozone-resistant ability