Glass fiber/mineral composite reinforced PPS, low shrinkage, low warpage, good mechanical properties, high dimensional accuracy

Type: KLD57D
Product Name: Glass fiber/mineral composite reinforced PPS, low shrinkage, low warpage, good mechanical properties, high dimensional accuracy

Characteristics of PPS (polyphenylene sulfide) material:

Excellent high temperature resistance: able to work stably for a long time in a high temperature environment of 200-240 ℃, with very stable heat resistance. It can withstand high temperatures of 265 ℃ in the short term, and the hot deformation temperature is usually more than 265 ℃. Its melting point is between 285 ℃ and 300 ℃.

Product Details:

Product features: Fiberglass /mineral composite reinforcement, low shrinkage, low warpage, good mechanical properties, high dimensional accuracy, excellent electrical performance and heat resistance

Typical physical properties
Performance		Standard	Unit	Fiberglass/mineral composite reinforcement
Performance		Standard	Unit	KLD57D-NC	KLD57D-BK
Physical Property	Colour	-	-	Natural Color	Black Color
	Density	ISO 1183	g/cm3	1.89	1.89
	Water absorption rate	ISO 62	%	0.02	0.02
	Shrinkage rate MD/TD*	-	%	0.2/0.4	0.2/0.4
Mechanical Performance	Tensile strength	ISO 527	MPa	145	145
	Elongation at break	ISO 527	%	1.2	1.2
	Bending strength	ISO 178	MPa	230	230
	Bending modulus	ISO 178	GPa	16	16
	IZOD Notch Impact Strength	ISO 180	kJ/m2	9.0	9.0
Other	CTI	ASTM D3638	V	200	200
	Thermal deformation temperature	ISO 75	⁰C	265	265
	Flame retardant performance	UL-94	-	V0	V0
*MD: Lateral shrinkage rate; TD: Longitudinal shrinkage rate
Injection molding conditions
1. Pre-drying: Dry for 4 to 6 hours at a temperature of 120℃ to 150℃.
2. Barrel temperature: The recommended barrel temperature is 290～330℃.
3. Mold temperature: The recommended mold temperature is 130～150℃.
4. Injection pressure: The general injection pressure is 30～100MPa. In order to prevent flying edges, a lower injection pressure can be used.
5. Injection speed: To obtain molded products with good appearance, high-speed injection can be used. However, this can easily cause warping, burning, and other phenomena in the finished product. Therefore, if the product has a good appearance, high-speed injection is not necessary.
6. Back pressure: It is recommended that the back pressure does not exceed 1.0MPa. When the measurement is unstable, the back pressure should be appropriately increased.
7. Screw speed: The screw speed is usually set at 40-100 revolutions per minute (rpm). If the screw speed is higher than 200 rpm, it is easy to cause fiberglass breakage and cause resin heating.