Fr-4 Cem-1 Copper Clad Laminated Sheet

The series mainly include Epoxy wood fiber backup board, Phenolic wood fiber Back up board, White Melamine Backup Board, HDF, MDF Backup Board

Epoxy wood fiber backup board
Anwendungen:
For double sides, multilayer, FR-4, Teflon, PI, Tg, Rich copper.
Spezifikationen:
Dicke: 1.60mm, 2.0mm 2.5mm
Standard size: 37″ x 49″, 41″ x 49″, 43″ x 49″
Properties
1. Epoxy resin as adhesive, less abrasion for drills
2. Good flatness, stable shape in humidification
3. Good thickness tolerance
4. Proper surface hardness, good burr-resistance; Lower inner hardness, less abrasion for drills
5. Even texture, good chip removal, and less damage for drills
6. High temperature resistance in shortage time,
7. Environment friendly, according to SGS requests.
Note: Special requests upon negotiation

Thickness tolerance: ± 0.10mm
Width tolerance: ± 3.30mm
Length tolerance: ± 3.80mm
Diagonal tolerance: ± 5.00mm

Phenolic back up boards
Anwendungen:
Used for PCB of double layers, multilayer, FR-4, Teflon, Polyimide, Hi-copper, thicker and small hole drilling

White Melamine Backup Board
Verwenden: Used in PCB/FPC driling hole, small hole drilling and furniture and packing

Dicke: 2.5, 2.7mm
Dichte: 980 plus/minus 50 kg/m3
Surface hardness: 82 plus/minus 5N/mm2(Shores D)
Warpage: Less or equal 0.7%
Spezifikation: 37″ x 49″, 41″ x 49″, 43″ x 49″
Product Properties
Strong compressive strength, deformation resistance, dirt resistance, moisture proof, moth-proofing, resilient, heat preservation, heat insulation, flame retardant and other characteristics