Where ASA Is Used in North American Manufacturing

ASA and ASA/PC blends hold color and gloss in direct sun, so molded-in-color mirror caps skip paint; the weatherable styrenic chosen on cost over painted PC/ABS

Molded-in-color ASA for unpainted black grilles and inserts that must hold gloss and color outdoors for ten years without a paint line

Unpainted textured black rockers in ASA on trucks and off-road trims; weatherable without a paint line

Molded-in-color ASA and ASA/PC on unpainted black spoilers and on programs trying to remove paint cost from a small part

Capstock over PVC substrate carries the deep and dark colors that fade-resistant vinyl could not offer; every major line now has a dark-color tier

Capstock delivers wood-tone and dark colors on fence lines that plain white and tan PVC cannot hold

Co-extruded capstock holds dark colors that plain PVC cannot without heat buildup and distortion; the growth path as black and bronze windows move down-market

ASA holds color and gloss outdoors without paint, so it wins on field-mounted ag, telematics, and access-control housings.

ASA holds color and gloss in direct sun without paint, which is the whole argument for it on field-mounted telematics, agricultural controls, access control readers, and outdoor access points. It weathers where ABS chalks and where unstabilized PC yellows. It is not a flame-rated choice on its own, so it typically appears as a capstock, an unrated outer shell over a rated inner, or in a blend.

Molded-in-color ASA holds black and gray outdoors without paint on housings and arms

Unpainted weatherable color on parts that sit in the sun for years, notably golf car bodies

Weatherable ASA on outdoor grill control panels and on laundry consoles that sit in a sunlit room, where unpainted ABS yellows and chalks within a season

Weatherable ASA on premium and on unpainted colored shrouds and grilles, where the unit sits in full sun on a south wall and an unstabilized styrenic chalks and fades within two seasons. This is the same weatherability requirement that shows up on grills and nowhere else in appliances

Weatherable ASA and ASA-modified blades on lower-tonnage and ductless outdoor units, where the aerodynamic load is small enough that UV stability rather than fatigue strength is the governing requirement

Weatherable ASA as a capstock over ABS sheet or as a molded grade where an unpainted colored hood has to hold its gloss and color after five seasons in the sun. This is the material an OEM moves to when it gets chalking complaints on a dark-colored hood

Weatherable ASA and ASA capstock on the exposed top surface of a pack that lives on a tool left in the sun, which is the exposure PC/ABS is worst at: unstabilized PC/ABS yellows and loses impact strength under ultraviolet light, and a pack shell that has gone brittle is a safety problem rather than a cosmetic one