one-sided overlay (two layer)	two-sided overlay (three layer)	single-strip inlay	multi-strip inlay	unilateral edgelay	bilateral edgelay

Dimension & Tolerance

thickness	tolerance of thickness		width	tolerance of width	thickness tolerance of cladding layer	inner diameter of strip roll
	normal	advanced
0.05~0.10	±0.005	±0.004	3~80	±0.05	±0.002	Φ100
0.10~0.15	±0.010	±0.007		±0.05	±0.002	Φ100
0.15~0.30	±0.015	±0.010		±0.05	±0.004	Φ100
0.30~0.60	±0.020	±0.015		±0.08	±0.008	Φ150~Φ200
0.60~0.90	±0.030	±0.025		±0.08	±0.010	Φ150~Φ200
0.90~1.20	±0.035	±0.030	5~60	±0.10	±0.010	Φ150~Φ200
1.20~1.50	±0.040	±0.030		±0.10	±0.020	Φ150~Φ200
1.50~2.00	±0.045	±0.035		±0.10	±0.020	Φ150~Φ200

Material

Bimetal: Ag (fine grain silver)/Cu, AgNi/Cu, AgCdO/Cu, AgSnO₂/Cu
Trimetal: Ag (fine grain silver)/Cu/Fe, AgNi/Cu/Fe, AgCdO/Fe, AgSnO₂/Cu/Fe, 430^#/AI/301^#
Note: Base material Cu includes red copper, brass, zinc-copper-nickel alloy, tin-phosphor bronze, etc.