What are the minimum order quantity and delivery cycle?

Standard products min 1kg, bulk 20kg. In-stock ships 48h, custom 3-7 days. Nationwide logistics.

How to get product samples and technical support?

Contact 400-901-0757 or +86-13531350189 for free selection guidance and sample delivery.

What quality certifications do products have?

产品按标准化的来料检验、配方变更、批次留样与出货检验流程管理生产。体系证书、第三方检测报告（耐候、耐温、盐雾、附着力、VOC 等）及 MSDS/SDS 可应客户所在市场的合规要求提供，也可在验厂时现场调阅。

PC Hardening·Scratch-Resistant

PC scratch-resistantHard coating

Name: PC Scratch-Resistant Hardened Coating KF-PC300 | KeXin New Material
Brand: Kexin New Materials
Availability: InStock

KF-PC300 PC Hard Coating

KF-PC300 is a UV-curable hard coat specially designed for polycarbonate (PC) transparent parts. It can raise the pencil hardness of PC surfaces from B grade to above 2H and pass strict steel wool scratch resistance tests (>500 cycles). Light transmittance >90%, haze<1%。Widely Used ForAutomotive灯罩/光学镜片/Electronics显示屏视窗的Transparent硬化Protection。

Request a quote now View technical data

B→2H+

Hardness leap

>500 cycles

steel wool abrasion resistance

UVIn seconds

Ultraviolet curing

>90%

Light transmittance

<1%

Haze increase value

5-10μm

Dry film thickness

Grade 0Adhesion

Cross-cut test

5kg

Standard packaging

SourceFactory

Mass-production solution

Product Overview

ProductsOverview

PC Scratch-Resistant Hard Coat is a high-performance professional coating product developed and produced by KeXin New Material. It is scientifically formulated with high-quality resins and imported pigments and fillers, featuring excellent adhesion, durability, and application performance. It is widely used in industrial manufacturing, architectural decoration, automotive transportation, and other fields.

As a source coating factory, KeXin New Material strictly implements the ISO9001 quality management system for PC Scratch-Resistant Hard Coat from formula design, raw material procurement to production filling. The product has passed ROHS, REACH, and other environmental regulation certifications. Free sample testing and on-site guidance by technical engineers are provided.

Why choose PC scratch-resistant hard coating?

✓

ISO-certified factory · direct from the manufacturer——End-to-end quality control from raw material to finished product, no trader margin

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Free sample testing · quality you can see——Samples from 1 kg, supplied with TDS and MSDS documentation

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On-site engineer guidance——Free on-site service in the Pearl River Delta region, remote technical support elsewhere

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Fast dispatch within 48 hours——Standard products well stocked; custom orders in 3-7 working days

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Complete coating system solutions——Primer / midcoat / topcoat systems designed as a matched set, one-stop procurement

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RoHS / REACH environmental compliance——Tested by third-party laboratories SGS/CTI, exported to 50+ countries

Product highlights

CoreAdvantages

B→2H+ Hardness Leap Upgrade

The pencil hardness of PC substrates is only B grade and is highly prone to scratches. The UV-curable nano-hybrid hard coat raises the surface hardness to above 2H, reaching the hardness level of ordinary glass. The coating thickness is 5-10μm, uniform and transparent, with minimal impact on PC optical performance. Steel wool abrasion resistance >500 cycles with no visible scratches.

UV second-level curing for mass production

UV-curable hard coat cures within seconds under ultraviolet light irradiation (800-1200mJ/cm²). Combined with automated dip coating/spray coating + UV curing production lines, it enables mass and highly efficient hardening treatment of PC lenses and lamp covers. Production efficiency is far higher than thermal curing systems (requiring 30-60min baking).

Optical-grade transparency

Coating transmittance in the visible wavelength range >90% haze increase value<1%。无彩虹纹无干涉色。Suitable ForAutomotive前大灯PC灯罩/光学镜片/LED照明透镜等对光学品质有极高Requirements的TransparentPC件Surface硬化Protection。

Professional coating technology support services

Kexin has an experienced coatings R&D and applications team that supports the whole process - substrate analysis, coating selection, optimisation of process parameters and on-site application guidance. Our engineers commission the coating parameters on your own production line so that finish quality and output are both optimised.

Eco-compliant green manufacturing system

All products are RoHS/REACH compliant and their VOC content meets national environmental standards. Waterborne and high-solids low-VOC formulations are continuously refined to keep pace with ever stricter environmental requirements. Environmental performance test reports issued by third-party authorities such as SGS and CTI are available on request.

Complete quality control and batch traceability

A quality-control system covering the whole process, from incoming raw materials to finished-goods dispatch. Every batch undergoes rigorous physico-chemical testing and simulated application trials. Batch numbers are traceable end to end, so raw-material sources and production data can be retrieved. Each shipment is released with a batch test report and a product warranty, so customers can use it with confidence.

Technical Parameters

TechnicalSpecifications

Basic parameters

Product typeUV-curable nano-hybrid hard coat

Dry film thickness5-10μm

Application processDip coating/spray coating/spin coating + UV curing

UV curing conditions800-1200mJ/cm² (high-pressure mercury lamp)

Suitable substratesPC/PMMA/CR-39

Theoretical spreading rate50-80m²/kg

Packaging Specs5 kg drum

Shelf Life12 months(light-protected)

Performance

Pencil hardness (PC substrate)B→2H+

Steel wool abrasion resistance (0000#/1kg)>500 cycles no scratches

Light transmittance (550nm)>90%

Haze increase value<1%

Adhesion (cross-cut)Grade 0

Taber haze (CS-10F/500g/100r)<5%

Heat & Humidity Resistance(85°C/85%RH/500h)No blistering, hardness unchanged

Shelf Life12 months

The technical parameters above are taken from test data of the Kexin New Materials laboratory (ISO 17025 accredited); actual values may differ slightly depending on application conditions and substrate. Please contact technical support to obtain a current COA test report.

FAQ

Frequently AskedFAQ

Which substrates and scenarios does it suit?+

Suitable for many common substrates, including steel, concrete, wood and plastics. Widely used in industrial manufacturing, architectural decoration, automotive and transport, furniture and home furnishings. For professional selection advice, call 400-901-0757.

What is the application method?+

Apply by conventional spray, brush or roller. Substrate must be clean, dry and grease-free. Ambient temperature 5-35°C, relative humidity <85% 为BestApplicationConditions。SpecificParameters — see Products TDS Technical Data Sheet。

Which primer or topcoat completes the system?+

We recommend using a matching primer and topcoat from the same Kexin series to secure system compatibility and best performance. A Kexin engineer can design a complete primer-midcoat-topcoat system for your specific service conditions, free of charge.

How to get samples and a quote?+

Free samples of standard products are provided (freight at the customer's cost), supplied with TDS and MSDS documentation. For bulk purchases please contact 400-901-0757 or 13531350189. Sample quantity from 1 kg; bulk orders from 20 kg.

How do I pick the right grade for my operating conditions?+

Choosing a coating product requires considering the substrate type, the service environment (temperature / humidity / chemical media), the required corrosion protection class (ISO 12944 C1-C5M), the application conditions and the budget. We recommend contacting our technical engineer on 400-901-0757 for professional selection advice; free trial spraying and test verification are supported.

What is the MOQ and lead time?+

Samples from 1 kg; regular products from 20 kg per batch. Stock items ship within 48 hours, made-to-order products in 3-7 working days. Door delivery can be arranged within the Pearl River Delta region.

Application guide

ApplicationProcess

Substrate cleaning

Thoroughly remove mold release agents and oil stains from plastic substrates using isopropyl alcohol or a specialized cleaner. For PP and PE substrates, flame treatment or plasma pretreatment can be optionally used to enhance surface energy. For ABS and PC substrates, wipe off dust with an antistatic cloth. Ensure the surface is clean and free of residues.

Primer application

Spray one coat of adhesion primer specifically for plastics. Use CPP chlorinated polypropylene primer for PP substrates. Use PA-specific primer for nylon. For ABS and PC, which have good adhesion, primer can be used optionally. Bake the primer at 60°C for 10 minutes, with a pre-bake film thickness of 10-15 μm.

Topcoat application

Apply 2 precise coats of topcoat, with a 60°C flash-off for 5-10 minutes between each coat. For the elastic tactile paint, appropriately thicken the final coat to achieve a full rubber-like feel. Total dry film thickness: 30-50μm. After spraying UV paint, pass through a UV curing machine. Ensure uniform color consistency with no runs or sags.

Curing process

Bake at 60-80°C for 20-30 minutes or air-dry at room temperature for 24 hours for complete curing. UV coatings are instantly cured by exposure to a UV curing machine at 800-1200 mJ/cm². Oven temperature uniformity is ±5°C, with gradual heating to avoid coating defects. For plastic substrates, the baking temperature must be controlled to not exceed the substrate's heat deflection temperature.

Inspection & packaging

After complete curing, use a cross-cut tester to check the adhesion level. Test for gloss/color difference/sweat resistance/cosmetics resistance. Plastic parts require special inspection for solvent attack. QUV yellowing resistance test 500h ΔE.<3。Dust-free soft Packaging shipped with batch test reports。

Application Scenarios