smc composite material for Battery Box

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Battery Box

We are able to customize the battery covers made of SMC with high flame retardancy requirements, according our customers' special requests, and 2D%3D drawings, we also will offer them technical supports.

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Product Detail

Battery covers made of our SMC have the following advantages:

Low shrinkage

Good surface flatness

Good surface gloss

Good mechanical strength

High flame retardancy

Technical Data

Properties	Test Standards	Units	Typical Values
Properties	Test Standards	Units	RL-SMC-5006	RL-SMC-5006-3	RL-SMC-5007
Fiberglass Content	GB/T 15568-2008	wt％	32	32	32
Unit Weight		kg/m	4.0±0.2	4.0±0.2	4.0±0.2
Unit Weight		kg/m	4.0±0.2	4.0±0.2	4.0±0.2
Molding Temperature		℃	135-155	135-155	135-155
Shrinkage		％	0.01±0.03	0.02±0.03	0.01±0.03
Density	GB/T 1463-2005	g/cm³	1.76±0.03	1.76±0.03	1.79±0.03
Density	GB/T 1463-2005	g/cm³	1.76±0.03	1.76±0.03	1.79±0.03
Barcol Hardness	GB/T 3854-2005		≥45	≥45	≥45
Tensile Strength	GB/T 1447-2005	MPa	≥70	≥90	≥70
Tensile Modulus	GB/T 1447-2005	GPa	≥9	≥9	≥9
Tensile Modulus	GB/T 1447-2005	GPa	≥9	≥9	≥9
Poison's Ratio	GB/T 1447-2005		0.25-0.35	0.25-0.35	0.25-0.35
Flexural Strength	GB/T 1449-2005	MPa	≥160	≥210	≥160
Flexural Modulus	GB/T 1449-2005	GPa	≥9	≥9	≥9
Impact Strength	GB/T 1451-2005	kJ/㎡	≥70	≥70	≥70
Heat Distortion Temp.	GB/T 1634-1979	℃	≥220	≥220	≥220
Fire Retardancy	UL-94		3.0mm, V0	3.0mm, V0	5VA
Limited Oxygen Index	GB/T 8924-2005	％	≥36	≥36	≥36
Main Features			Flame retardant	Flame retardant,strong	Flame retardant