Mold release & non-stick – AUTRA Precision

PROCESSING · PERFORMANCE

Processing customers, start here

Reduce sticking, improve cleaning and release

Evaluated based on the contact material, operating temperature and cleaning method.

Please describe the resin, adhesive or other contact substance, as well as the current sticking problem, operating temperature and target life. Food-contact or similar requirements need separate confirmation of the corresponding compliance documents.

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Detailed test data · expand test conditions, historical data and interpretation

Conclusions first

PTFE composite electroless plating is a candidate that balances mold release and coating strength.

Pure PTFE coatings and composite electroless plating each involve trade-offs; a single metric should not be used for an absolute ranking.

Food-contact uses must be checked against applicable Chinese regulations and specific compliance documents; overseas wording cannot simply be reused.

Test conditions

For a specific workpiece evaluation, state the material, operating environment and acceptance requirements; read the test conditions separately for each data group on this page.

Data & interpretation

PTFE composite electroless plating vs. pure PTFE coating | qualitative comparison

The table scrolls horizontally; the first column keeps the comparison items.

Evaluation item	PTFE composite electroless plating	Pure PTFE coating
Hardness	Supported by a metal matrix; actual hardness confirmed by model and heat treatment	Polymer coating; values depend on formulation and process
Wear resistance	Rated relatively well in historical data; must be tested against the counterpart	Wear mode and coating life must be checked
Thickness precision	Precision dimensional requirements can be evaluated; tolerances need confirmation	Coating thickness and dimensional build-up should be checked
Uniformity on complex parts	Chemical deposition suits complex shapes; holes and slots need process evaluation	Coverage and uniformity depend on the application method and shape
Mold release & non-stick	Rated good in historical comparison	Rated better in historical comparison; actual results depend on the molding material

How to read this table

This table is a qualitative comparison from historical data, not a numerical ranking under identical conditions. When purchasing, specify release force, surface quality, cleaning interval and dimensional acceptance separately, and confirm with samples.

**Historical qualitative comparison of PTFE composite coating and PTFE coating**
Original technical data chart with no quantitative axes. Translated names and qualitative symbols in the table follow this page's Chinese explanation; this is not a conclusion on food-contact compliance in China.
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**Food molding material categories in historical mold-release data**
Original technical data chart with no quantitative axes. Translated names and qualitative symbols in the table follow this page's Chinese explanation; this is not a conclusion on food-contact compliance in China.
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**Resin material categories in historical mold-release data**
Original technical data chart with no quantitative axes. Translated names and qualitative symbols in the table follow this page's Chinese explanation; this is not a conclusion on food-contact compliance in China.
View full-size image ↗

Application cases

Polyurethane molding tools

Customer type: Automotive-related molding equipment
Problem: TPU sticking to the mold at high temperature.
Solution: PTFE composite electroless plating was evaluated.
Result: Historical data describe improved release and cleaning; no quantitative results.

Candy and chocolate molds

Customer type: Food molding
Problem: Material sticking requiring frequent cleaning.
Solution: PTFE composite electroless plating was evaluated.
Result: Historical description of reduced sticking; specific food-contact compliance documents must be verified separately.

Stainless steel forming containers

Customer type: Food processing
Problem: Hard to remove after cooling and forming.
Solution: PTFE composite electroless plating was evaluated.
Result: Historical description of smoother removal; no uniform release-force data.

Polyethylene sheet molds

Customer type: Resin processing
Problem: Time-consuming removal of residue from hard chrome surfaces.
Solution: PTFE composite electroless plating was evaluated.
Result: A historical case records cleaning of about 15 min; complete baseline and test conditions are lacking, so no efficiency promise is made.

Blow molding core rods

Customer type: Resin blow molding
Problem: Poor sliding accompanied by corrosion problems.
Solution: PTFE composite electroless plating was evaluated.
Result: Historical description of improved sliding and service condition; no life statistics.

Pellet hoppers

Customer type: Food conveying
Problem: Material sticking affects discharge.
Solution: PTFE composite electroless plating was evaluated.
Result: Historical description of improved material flow; specific operating conditions and compliance must be verified.

Selection advice & data boundaries

Application cases are summaries of historical data and are not customer projects verified by this site or guarantees of results. Actual solutions require sample testing.

Food-contact uses: request specific compliance documents from sales and check the use, food in contact, temperature, time and applicable Chinese regulatory requirements; no food-contact compliance commitment is made before the corresponding documents are obtained.

Please add the molding material, mold temperature, cleaning agent, dimensional tolerances and release cycles.