PP IRPC Thailand 1102K Resin

Material Introduction: PP IRPC Thailand 1102K is homopolymer polypropylene resin. It is characterized by good rigidity and balanced impact resistance, and complies with food‑contact regulations.

Main Applications

Extruded products: monofilament, flat yarn (for woven bags, ropes, carpet backings, etc.), straps, sheets.

Injection‑molded products: toys, household articles, general mechanical parts, insulating components and food containers (compliant with FDA 21 CFR).

Films & fibers: textile yarns, packaging bags.

Performance Parameters

Performance Category	Test Item	Test Condition	Value / Range	Unit	Reference Standard	Remarks & Interpretation
Basic Properties	Melt Flow Rate(MFR)	230℃/2.16kg	4.0	g/10 min	ASTM D1238	Homopolymer PP for extrusion & injection
Mechanical Properties	Tensile Yield Strength	‑	37.0	MPa	ASTM D638	‑
	Elongation at Break	‑	27	%	ASTM D638	‑
	Flexural Modulus	‑	1600	MPa	ASTM D790	‑
	Rockwell Hardness	R‑scale	107	‑	ASTM D785	‑
Thermal Properties	Heat‑Distortion Temperature(HDT)	0.45 MPa, non‑annealed	110	℃	ASTM D648	‑
Other Properties	Charpy Notched Impact Strength	23℃	4.5	kJ/m²	DIN 53453	‑

Injection‑Molding Process Parameters

Process Item	Suggested Range / Description	Remarks
Drying treatment	Generally unnecessary; dry at 80℃ for 1‑2 h under poor storage condition	‑
Barrel rear zone(feed section)	160‑180℃	Prevent thermal degradation.
Barrel middle zone(compression section)	180‑200℃	‑
Barrel front zone(metering section)	200‑220℃	‑
Nozzle temperature	200‑210℃	‑
Mold temperature	40‑60℃，recommended 50℃	Low temperature may cause poor surface, weld‑lines and flow‑marks; high temperature tends to induce warpage.
Injection pressure	70‑100 MPa	Higher pressure available for thin‑wall or complex‑structure parts.
Holding pressure	50%‑60% of injection pressure	Prevent shrinkage cavity and excessive shrinkage.
Injection speed	Medium speed	High‑speed injection improves appearance yet may bring internal stress; low‑speed injection is beneficial for venting.
Screw speed	50‑100 rpm	Avoid excessive shear heat which will cause material degradation.

Disclaimer: All above data is for reference only.