Physical properties of acrylic

Issuing time:2015-04-29 17:11

Nature	Company	numerical value
Mechanics	proportion	------	1.19-1.2
	Rockwell hardness	Kg/C㎡	M-100
	Shearing strength	Kg/C㎡	630
	Fracture strength	Kg/C㎡	1050
	tensile strength	Kg/C㎡	760
	Yield strength	Kg/C㎡	1260
	impact strength	Cal/Gr℃	0.35
heat	Heat ratio	Cal/xee/cm/℃/cm
	Thermal deformation temperature	℃	100
	Hot forming temperature	℃	140-180
	Coefficient of linear expansion	Cm/cm/℃	6×10-5
optics	Transmittance	%	93
optics	Refractive index	-------	1.49
ELECTRICAL	Dielectric strength	KV/mm	20
ELECTRICAL	Surface resistance	Ohm	≥1016
MISCELLANEOUS	Water absorption rate（24 hours）	%	0.3
MISCELLANEOUS	taste	TASTE	--------
For the thermal expansion and cold contraction of the acrylic plate, take the 1000 mm long acrylic plate as an example. In summer (40 ℃), the length of the expanded acrylic plate is 1002 mm. In winter (- 30 ℃), the length of the expanded acrylic plate is 997 mm

Material Science	Elastic strength(Kg/cm)	Thermal deformation temperature℃	Transmittance（%）	hardness（M）
Acrylic	900-1330	74-103	92-93	85-105
Ps	560-980	65-104	89	65-80
AS	980-1330	88-104	87	80-90
PC	950	130-141	87	75-85
PVC	700-1120	66-77	84

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