Monarch® Tight Closed-Cell Polymeric Bun Products

Monarch® is an established name representing quality and innovation in polymeric foam buns. Monarch® products serve many industries including automotive, industrial, electronics, military, sporting goods, marine and specialty markets.

Materials include primarily buns (blocks) made of 100% EPDM, ECH (Epichlorohydrin), EPDM/CR/SBR blend, NBR/PVC, and Neoprene (CR) based. Elastomeric Component Foam (ECF) products like Monarch^® are expanded, closed-cell foams comprised of various formulations.

Product Types

Product ID	Polymer	ASTM D 1056	Data Sheet
2001	CR (Neoprene) based	2A1 / 2C1
2002	CR (Neoprene) based	2A2 / 2C2
2003	CR (Neoprene) based	2A3 / 2C3
2043	CR (Neoprene) based	2A3 / 2C3
2045	CR (Neoprene) based	2A5 / 2C5
2055	CR (Neoprene) based	2A5
2062	CR (Neoprene) based	2A2 / 2C2
3071	100% EPDM	2A1
3091	100% EPDM	2A1
3092	100% EPDM	2A1 / 2A2
3942	100% EPDM	2A2
3943	100% EPDM	2A3 / 2A4
3991	100% EPDM	2A1
3992	100% EPDM	2A1 / 2A2
4051	ECH	2A1 / 2C1 / 2B1
4052	ECH	2A2 / 2C2 / 2B2
4053	ECH	2B3
4055	ECH	2B5
5011	EPDM / CR / SBR	2A1
5012	EPDM / CR / SBR	2A2
5013	EPDM / CR / SBR	2A3
5021	EPDM / CR / SBR	2A1
5022	EPDM / CR / SBR	2A2
5031	EPDM / CR / SBR	2A1
5032	EPDM / CR / SBR	2A2
5052	EPDM / CR / SBR	2A2
5055	EPDM / CR / SBR	2A5
5071	EPDM / CR / SBR	2A1
5091	EPDM / CR / SBR	2A1
5522	EPDM / CR / SBR	2A2
5913	EPDM / CR / SBR	2A3
5931	EPDM / CR / SBR	2A1
5932	EPDM / CR / SBR	2A2
6031	PVC / NBR	2B1
6032	PVC / NBR	2A2 / 2C2 / 2B2
6231	PVC / NBR	N/A
6232	PVC / NBR	N/A
6903	PVC / NBR	N/A
6931	PVC / NBR	N/A
8001	100% EPDM	2A1
8002	100% EPDM	2A2
8022	100% EPDM	2A2
8062	100% EPDM	2A2
8082	100% EPDM	2A2
8901	100% EPDM	2A1