Thermoplastic Resins HCPE Resin Solution Organic Solvents

Product Description

Product Overview

HCPE is a type of chlorinated polymer with a chlo rine content ranging from 65% to 69%. As a thermoplastic resin, it appears transparent, featuring a hard and brittle texture, while simultaneously exhibiting excellent chemical stability, saltwater resistance, and UV aging resistance. It is readily soluble in organic solvents such as tol uene, xylene, and esters, forming a colorless to pale - yellow transparent solution. When this solution is applied to the surfaces of substrates like metal, concrete, and paper, the solvent evaporates rapidly at room temperature, leaving behind a transparent, hard, and highly glossy glassy film. This film can effectively block the penetration of moisture and oxygen, demonstrating outstanding resistance to the erosion of various chemical media (including acids and alkalis). It not only provides corrosion protection for the substrate but can also serve as a decorative topcoat.

Product Parameters

 

HCPE (Highly Chlorinated Polyethylene) Product Parameters Table

 

Parameter	Test Standard	Typical Value/Range	Unit	Remarks
Chlo rine Content	ASTM D1303	30% - 45%	wt%	Determines weather/oil resistance, flame retardancy
Density	ASTM D792	1.10 - 1.35	g/cm³	Increases with higher chlo rine content
Melt Flow Rate (MFR)	ASTM D1238 (190°C)	0.1 - 10.0	g/10min	Indicates processability and flowability
Thermal Decomposition Temp.	TGA (Thermogravimetric Analysis)	≥180°C	°C	Critical for thermal stability
Tensile Strength	ASTM D638	10 - 25	MPa	Correlates with chlo rine content and molecular weight
Elongation at Break	ASTM D638	200% - 600%	%	Higher values indicate flexibility
Shore A Hardness	ASTM D2240	60 - 90	-	Hardness increases with chlo rine content
Volatile Content	ASTM D5667	≤0.5%	%	Affects processing bubbles and product quality
Appearance	Visual Inspection	White/light-yellow pellets or powder	-	Uniform dispersion, free of impurities
Solubility	Solvent Test	Soluble in aromatic/chlorinated hydrocarbons	-	Insoluble in water, alcohols
Flame Retardancy	UL 94	V-0 to HB Rating	-	Enhanced by high chlo rine content
Primary Applications	-	Wire & cable, oil-resistant hoses, waterproof membranes, PVC modification	-	Application varies with chlo rine content and MFR

Product Name	Viscosity (Ford Cup 4)	Application	Volume/Ton (m³)	40HQ Container	HQ Container
HCPE - A	70 - 100 seconds	PVC Drainage Adhesive	5 m³	13 tons	6 tons
HCPE - B	200 - 300 seconds	PVC Drainage Adhesive	3 m³	21 tons	11 tons
GX - 50	50 - 90 seconds	PVC High - end Drainage Adhesive	5.5 m³	12 tons	5 tons
GX - 30 (Modified PVC)	30 - 50 seconds	PVC Water - supply Adhesive and Coating	6.5 m³	11 tons	5 tons
HCPE - M (Medium Viscosity)	30 - 50 seconds	Anticorrosive Coating, Paint (Primer)	4 m³	18 tons	8 tons
HCPE - L (Low Viscosity)	12 - 20 seconds	Anticorrosive Coating, Paint (Topcoat)	3 m³	20 tons	10 tons

 
  

Application Guide

I. Coating Field: Core Substrate for Constructing Composite Protection Systems
(A) Industrial Anticorrosive Coating Systems
1.Petrochemical and Energy Industry
    Application Scenarios: Inner walls of refinery reactors, outer walls of oil storage tanks, natural g as pipelines, coal chemical equipment (such as desulfurization towers).
    Technical Advantages: Resistant to sulfuric acid (≤70% concentration), hydrochlo ric acid (≤30% concentration), and salt spray (5% NaCl solution spray test up to 1,000 hours without corrosion). When the film thickness is 50-80μm, it can resist the penetration of sulfur compounds in cru de oil.
    Typical Case: A coastal LNG receiving station adopted an HCPE anticorrosive system, extending the equipment maintenance cycle from 2 years to 5 years in an environment with an annual salt spray deposition of 1.2kg/m².
2.Marine Engineering and Shipbuilding Field
    Underwater Structures: HCPE primer (zinc content 80%) + topcoat system for port steel piles and cross-sea bridge caps, resistant to seawater chloride ion (20,000ppm) erosion;
    Ship Decks: Forming a "sandwich" anticorrosive layer with glass fiber cloth, capable of withstanding long-term immersion in dies el and hydraulic oil (ASTM D471 test shows volume change rate <5%).
 

(B) Functional Special Coatings
1.Fireproof and Flame-retardant Systems
    Flame-retardant Mechanism: When the chlo rine content reaches over 65%, it releases HCl gas during combustion to inhibit free radical reactions, with a limiting oxygen index (LOI) ≥30%, conforming to GB 12441-2018 Class B1 standard;
    Application Scenarios: Cable tunnel coatings (thickness 1-2mm), fireproofing for steel structures of oil platforms (fire resistance limit ≥2 hours).
2.Functional Topcoats
    Weather-resistant Decorative Paints: Outdoor curtain wall coatings made by adding nano-TiO2, with a gloss retention rate >85% after QUV accelerated aging (1,000 hours);
    Conductive Antistatic Coatings: Surface resistance ≤109Ω after adding carbon black filler, used for the inner walls of gaso line storage tanks to prevent static electricity accumulation.
 

II. Adhesive Field: High-performance Interface Connection Solutions
(A) Dedicated Bonding Systems for PVC Materials
    Municipal Engineering: Socket connection of PVC drainage pipes above DN1000. When the adhesive solid content ≥45%, the shear strength can reach 12MPa (GB/T 1040.3 test), resistant to hydrogen sulfide (≤50ppm) corrosion in sewage;
    Electronic Industry: Bonding of PVC wire grooves and metal bottom plates, certified by UL94 V0 flame retardancy, suitable for cable management systems in data centers.

(B) Special Rubber Composite Bonding
    Automotive Interiors: Bonding of nitrile rubber seals and ABS plastics, with a peel strength retention rate >90% after -40ºC~120ºC cycle testing (100 times);
    Aerospace: HCPE-modified silicone rubber adhesives for satellite antenna cover sealing, resistant to space ultraviolet (200-400nm) irradiation for a cumulative 10,000 hours without cracking.

III. Ink and Coating Field: Functional Printing Solutions
(A) Packaging Printing Inks
    Food Contact Applications: FDA-certified HCPE inks for potato chip packaging printing, resistant to n-he xane extraction (≤0.01mg/dm²), and with color stability ΔE <1.5 during 121ºC high-temperature sterilization;
    Metal Can Printing: HCPE varnish on aluminum beverage cans, with a hardness of 2H (pencil hardness test), and no color change after pasteurization (70ºC×30min).

(B) Functional Coatings
    Flexible Electronics: HCPE conductive coating (added with carbon nanotubes) coated on PET film, with sheet resistance ≤10Ω, used for flexible keyboard circuit printing;
    Cultural Relic Protection: Diluted HCPE solution (solid content 5%) as a protective coating for bronze surfaces, which can isolate SO2 (≤1ppm) and Cl- in the air, and is reversible (removable with ethanol).

IV. Polymer Material Modification: Key Additives for Performance Upgrading
(A) Plastic Modification Systems
    PVC Impact Modification: Adding 5-8 parts of HCPE (melt flow rate 1.2g/10min) can increase the notched impact strength of PVC-U pipes from 4kJ/m² to 8kJ/m² (GB/T 18252 test);
    ABS Flame-retardant Modification: When compounded with antimony trioxide (mass ratio 3:1), the flame-retardant grade of ABS can reach UL94 V0 (1.6mm thickness), and the bending strength retention rate >85%.

(B) Rubber Functional Modification
    Tire Sidewall Rubber: Adding 10 parts of HCPE can improve the ozone resistance of natural rubber (50pphm×40ºC×72h) from cracking grade 4 to grade 1;
    Oil-resistant Sealing Rubber: HCPE-modified nitrile rubber has a volume change rate ≤10% in ASTM No.3 oil (150ºC×70h), suitable for automotive engine oil seals.

V. Oil and Additive Field: Industrial Lubrication Optimization Solutions
(A) Fuel Oil Modification
    Die sel Wax Depression: Adding 0.1% HCPE (molecular weight 5,000-8,000) can reduce the cold filter plugging point of -10# dies el from -5ºC to -12ºC without affecting the cetane number (change ≤1);
    Heavy Oil Emulsification: O/W type emulsified heavy oil (water content 20%) prepared with HCPE emulsifier, improving combustion efficiency by 3% and reducing NOx emissions by 15%.
(B) Industrial Lubricant Enhancement
    Extreme Pressure and Anti-wear of Gear Oil: Gear oil containing 5% HCPE nanospheres reduces the wear spot diameter from 0.6mm to 0.4mm in the four-ball tester test (392N×60min);
    Metal Working Fluids: HCPE water-based dispersion as a cutting fluid additive can form an adsorption film during aluminum alloy cutting, reducing the friction coefficient by 20% and extending the tool life by 1.5 times.

 

VI. Expansion of Emerging Application Scenarios
    New Energy Field: HCPE barrier layer coated on the inner layer of aluminum-plastic film for lithium batteries, with a swelling rate <3% in electrolyte (carbonate-based), improving battery pack safety;
    Environmental Protection Equipment: HCPE-FEP composite coating for flue gas pipelines in waste incineration plants, resistant to HCl (200ºC×1,000ppm) corrosion, with a service life of over 8 years;
    3D Printing: Degradable filament made by blending HCPE powder with PLA (15% ratio), with a strength retention rate >90% after water immersion (7 days) for printed parts.
 

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