Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.

CAS：64742-16-1

Chemical Name：Petroleum Hydrocarbon Resin Alias：C5/C9 Hydrocarbon Resin; Petrolium Resin; Resins, petroleum Category：Thermoplastic tackifying resin, low molecular weight polymer (MW 300–3000)

hysical Properties

• Appearance：Light yellow to amber transparent flake/granule/block solid
• Density：0.908–1.07 g/cm3 (20℃)
• Softening Point：80–130℃ (ring & ball method)
• Refractive Index：1.512
• Flash Point：≥260℃
• Solubility：Insoluble in water; soluble in ketones, esters, halogenated hydrocarbons, petroleum solvents
• Stability：Low acid value (<0.1 mgKOH/g), good water/ethanol/chemical resistance; stable to acid/base; good thermal stability
• Storage：Sealed, cool & dry place; avoid direct sunlight

Specification (Typical)

Item	Standard	Unit	Test Method
Appearance	Light yellow transparent solid	–	Visual
CAS No	64742-16-1	–	Confirmation
Softening Point	90–120	℃	Ring & Ball
Color (Gardner)	≤12	#	50% in Toluene
Acid Value	≤0.1	mgKOH/g	Titration
Ash Content	≤0.5	%	Gravimetric
Molecular Weight	400–2000	g/mol	GPC

Main Applications

1. Adhesives & Hot Melt：Tackifier for hot-melt adhesives, pressure-sensitive adhesives (PSA); improves adhesion, cohesion & heat resistance。
2. Rubber Industry：Tire, hose, belt modifier; enhances tack, filler dispersion & processability with natural/synthetic rubber。
3. Coatings & Inks：Road marking paint, industrial coatings, printing inks; boosts gloss, hardness, weather resistance & pigment dispersion。
4. Packaging & Paper：Laminating adhesives, paper sizing agent; improves waterproofing & bonding strength。
5. Plastics Modification：Compatible with PE, PP, EVA, SIS/SEBS; improves processability & surface properties。

Key Advantages

• Cost-effective：Low cost vs. natural resins; high performance-price ratio。
• Good Compatibility：Blends well with most polymers & resins。
• Low Volatility：Minimal migration; stable in high-temperature processing。