Mold Tech Texture Specifications: An In-depth Guide

Mold-Tech textures are industry-standard surface finishes used in injection molding to enhance both appearance and functionality. Beyond aesthetics, these textures improve product grip, hide surface imperfections, and support consistent part quality across large production volumes.

Each texture is defined by a unique code (e.g., MT-11020) that specifies its depth and recommended draft angle—helping engineers and toolmakers achieve precise, repeatable results.

In this guide, we’ll explore how Mold-Tech textures are applied, how to interpret their specification tables, and what factors affect their selection, so you can make more informed decisions when designing textured molded parts.

How Mold Surface Textures Are Made

Ever wondered how a product’s distinct surface feel is created? It all begins with mold surface texturing. This process plays a vital role in defining not just how a part looks, but also how it feels and performs in real-world use.

There are several established methods for creating textures on mold surfaces, each with its own advantages depending on the desired effect and production constraints:

• Acid etching involves chemically corroding the mold surface to form controlled textures. It is highly precise and ideal for replicating detailed organic patterns like leather grains or wood textures. However, it requires tight process control and is typically more time-consuming.
• Sandblasting (or abrasive blasting) uses high-speed impact from fine media, such as aluminum oxide or glass beads, to create uniform roughness. It’s faster and more cost-effective, but less suitable for intricate or highly defined textures.
• Laser engraving offers unmatched precision, capable of reproducing sharp, repeatable textures or branding features. This method is commonly used for geometric patterns or directional textures, but may involve higher tooling costs and longer lead times.

When choosing a texturing method, engineers need to consider factors such as:

• Mold steel hardness and coating,
• Texture resolution and depth,
• Resin type and shrinkage behavior,
• Final product application and required durability.

For example, a handheld device casing may require a soft matte texture with fine detail and high repeatability, making acid etching or laser engraving a better fit. In contrast, an industrial housing that prioritizes grip over aesthetics may be better served by sandblasting.

By understanding how each method affects mold performance and surface outcome, you can make smarter choices early in the product development cycle, reducing trial iterations and ensuring the intended texture is both manufacturable and durable.

To bring greater consistency to this process, the industry turned to standardized texture systems—most notably, Mold-Tech. Let’s look at how these standards emerged and why they’ve become so widely adopted.

The Origin of Mold-Tech Texture Standards

Prior to the adoption of Mold-Tech textures, achieving consistent surface finishes in injection molding was a significant challenge. Manufacturers often relied on manual polishing or sandblasting techniques that were time-consuming and, more importantly, difficult to replicate from tool to tool. The result? Inconsistencies in texture, appearance, and sometimes even performance.

That changed when Mold-Tech (now under Standex Engraving) introduced a systematic approach. Each texture—MT-11010, MT-11030, and so on—came with defined depth measurements and corresponding draft angle guidelines. No more guesswork. Engineers and mold designers could now specify surface finishes with precision, and expect the same result whether the tooling was done in the US or China.

Adoption came quickly. 

• The automotive industry needed reliable grip textures for dashboards and door panels. 
• Appliance brands wanted consistent matte finishes. 
• Consumer electronics companies cared about every detail of a product’s surface feel. 

Mold-Tech delivered. Today, its numbering system is referenced on drawings, RFQs, and tooling specs across global supply chains. It didn’t just standardize surface finish—it became the language of texture in molded parts.

Key Factors to Consider in Mold Texture Specifications

Designing mold textures isn’t just about appearance—it involves critical engineering decisions that affect moldability, part durability, and surface quality.

In this section, we’ll walk through three key factors you should evaluate before finalizing any texture specification: depth, draft angle, and material compatibility. Each of these plays a direct role in how the texture performs in tooling and real-world use.

When diving into mold texturing, the devil’s in the details. Specific factors can make or break the final product. Let’s unpack these crucial elements.

Texture Depth:

Texture depth doesn’t just affect how a part looks—it shapes how it feels in the hand and how it performs in real-world use. Deeper textures create more aggressive surface features, which can improve grip, hide fingerprints, and even reduce glare. Shallow textures, on the other hand, offer a smoother, cleaner feel and are better suited for cosmetic or low-friction surfaces.

Selecting the right depth is all about application. For example, a power tool handle benefits from a deeper, tactile texture, while a consumer electronics enclosure might require a subtle matte finish. Make sure the depth you specify matches the product’s intended use—visually, functionally, and in terms of how it performs during molding.

Draft Angle:

When specifying a mold texture, don’t overlook the draft angle—the slight taper applied to vertical walls of the mold cavity. Draft is essential for clean ejection of the molded part, especially when textured surfaces are involved.

Without enough draft, the part may drag against the mold, damaging the texture or causing visible scuffing. On the other hand, too much draft can distort the appearance of detailed patterns.

Mold-Tech texture charts typically include a recommended draft angle for each texture depth. Always follow these guidelines, especially for deep or directional finishes. Getting it right ensures your texture comes out clean, consistent, and repeatable—cycle after cycle.

Learn More: Draft Angle Guidelines for Injection Molding

Material Compatibility:

Not every texture replicates well across all plastic materials. The surface finish you get depends on how the resin flows, shrinks, and cools inside the mold. For instance, ABS typically shows texture sharply, while polypropylene may lose fine detail or warp slightly at the edges.

That’s why it’s essential to consider the material when choosing a texture. A pattern that looks perfect on one resin may look inconsistent or uneven on another.

To avoid surprises, request texture samples in your actual production material, or ask your supplier to run a test shot. The right texture should enhance your material’s strengths, not fight against them.

Common Plastic Materials and Their Texture Behavior

Different thermoplastics respond differently to mold textures due to their flow characteristics, shrinkage rates, and surface hardness. The table below offers a quick comparison to help you anticipate how your material choice might affect texture outcomes.

All in all, too many designs focus on surface appearance alone, overlooking moldability and material behavior. Texture isn’t just about how it looks—it’s about whether it can actually be produced.

Specifying a texture without understanding draft angles, texture depth, and material interaction can lead to repeated sampling or even full mold rework.

It’s best to involve mold engineers early in the development process to assess texture feasibility. When in doubt, request texture plaques or trial runs to minimize risks from the start.

Common Types of Mold-Tech Textures

Mold-Tech® textures offer a standardized system of mold surface finishes—each defined by pattern style, texture depth, and draft angle. Unlike SPI polish grades, these textures focus on functional and visual performance in production parts.

Below are the main categories of Mold-Tech® textures and their typical applications.

1. Matte Finishes:

Matte finishes are commonly used when a part needs to look clean and consistent but without high gloss. This kind of surface helps reduce glare, especially under direct lighting, and is useful for hiding cosmetic flaws like flow lines or sink marks that are otherwise noticeable on smooth surfaces.

In many applications—automotive interior parts, medical housings, handheld electronics—matte textures strike a good balance between visual quality and practicality. They’re easy to maintain, don’t reflect fingerprints, and typically don’t require additional painting or coating.

2. Stone Textures:

Stone textures have a slightly rough, granular surface that improves grip and adds a functional feel to molded parts. This type of texture is often used on components that require frequent handling or need slip resistance—like tool casings, medical instruments, or outdoor equipment.

The finish also helps to break up surface reflections and can hide minor imperfections in high-use areas. It’s commonly applied to medium-to-large parts made from durable resins such as ABS or PC+ABS, where tactile feedback and wear resistance are priorities.

3. Geometric Patterns:

Geometric patterns include structured surface textures such as grids, parallel lines, and concentric shapes. These designs are primarily used for aesthetic branding or product differentiation, especially in consumer electronics and appliance covers.

Due to their fine detail and directional layout, geometric textures require higher precision in mold machining, often achieved through high-resolution laser etching. They may also demand tighter process control to maintain alignment and consistency across molded parts.

4. Wood Grains:

Wood grain textures replicate the natural look of timber surfaces through molded patterns that simulate organic lines and irregularities. These textures are commonly used in automotive interiors, home appliances, and consumer products that aim to convey warmth or a more natural aesthetic.

Because wood grains are directionally complex and visually detailed, mold alignment and gating must be carefully planned to preserve pattern continuity across parting lines. Laser etching is typically used to achieve sharp definition in wood-like textures on the mold surface.

5. Leather Textures:

Leather textures replicate the look and feel of genuine leather surfaces, offering a soft-touch appearance with grain-like detail. These textures are often used in applications where a premium tactile experience is desired—such as automotive dashboards, gear shift panels, wearable device casings, and high-end packaging.

Because leather patterns involve fine texture depth and directional grain, the mold surface typically requires precision laser etching. Draft angles must also be carefully designed to ensure easy ejection without distorting the pattern.

6. Technical Surfaces:

Technical surface textures are designed to provide functional performance rather than cosmetic effect. These patterns typically include aggressive grain, cross-hatching, or stippling structures that enhance grip, reduce slippage, or improve safety in use.

Commonly found in industrial tools, handheld equipment, outdoor gear, and certain medical devices, technical textures are applied when tactile control and reliability are more critical than appearance. Due to their coarse structure, molds must be carefully vented and designed with sufficient draft to prevent sticking or part damage during ejection.

Mold-Tech Texture Specification Tables

✅ A Series – Fine Texture Finishes

Mold-Tech A Series offers fine, shallow textures commonly used for cosmetic parts requiring a subtle matte appearance. Suitable for handheld electronics, medical housings, and visible surfaces where light diffusion and fingerprint resistance are important.

Table 1. Mold-Tech A Series Texture Specifications

Note (applies to all series below):

• Texture Depth refers to the etched depth on the mold surface.

• Draft Angle is the minimum recommended angle to ensure proper part ejection.

• All values are based on Mold-Tech® specifications from Standex Engraving.

✅ B Series – Medium-Depth General-Purpose Textures

B Series textures strike a balance between visual depth and manufacturability. Often used in automotive interiors, appliances, and consumer products where moderate grain is preferred for aesthetic and tactile enhancement.

Table 2. Mold-Tech B Series Texture Specifications

✅ C Series – Coarse and Functional Finishes

C Series includes coarser textures that emphasize grip, durability, or industrial styling. These are ideal for tool housings, equipment casings, or high-contact surfaces where tactile feedback or wear resistance is required.

Table 3. Mold-Tech C Series Texture Specifications

✅ D Series – Specialized or High-Relief Textures

D Series patterns feature high-relief or complex surface geometries designed for premium visual effects or strong tactile identity. These are often selected for brand differentiation, premium product lines, or textured packaging components.

Table 4. Mold-Tech D Series Texture Specifications

Each type of Mold-Tech® texture offers unique benefits—some enhance tactile grip, others reinforce brand identity, and some are designed to fulfill specific functional objectives.

Defining your product’s purpose and use environment early is key to selecting the right texture.

Read more: Types of Mold Textures for Injection Molding

How to Document Texture Specs Clearly in 2D Drawings

Poor documentation leads to expensive mistakes. Specifying Mold-Tech® textures is not just about listing a texture code—it’s about making sure the toolmaker interprets it correctly. Here’s how to ensure your drawings communicate exactly what you want.

1. Specify the Exact Texture Code and Series: Always include the full Mold-Tech® code (e.g., MT-11030) rather than just writing “matte” or “leather.” If possible, specify the series (A, B, C, or D) to avoid ambiguity.

Example: Surface Finish: MT-11030 (A Series) on all visible external faces.

2. Clearly Define Texture Zones: Use hatching, shading, or callouts to indicate where the texture should be applied. If only part of the surface requires texturing, outline the boundaries on the drawing view.

Example: Apply MT-11030 to front-facing area only (see hatched region in View A).

3. Indicate Texture Direction (If Directional): Textures like wood grain, brushed metal, or geometric patterns have orientation. Always define texture flow with an arrow and label.

Example: Texture flow: horizontal across front panel (see direction arrow in View B).

4. Link Texture Spec to Resin Type: Some textures show differently depending on the plastic material. If possible, note the target resin in the finish notes to ensure the texture will behave as expected.

Example: Texture MT-11030 tested on ABS. Match texture plaque results.

5. Reference Texture Plaque or Sample (If Applicable): If you’ve approved a texture sample or plaque, mention it by reference number or sample ID. This ensures that everyone is aligned on the physical expectation.

Example: Match Mold-Tech sample plaque ref #PLAQUE-0231.

Avoid Common Pitfalls:

• Don’t just list “MT-xxxx” in the title block—toolmakers may miss it.
• Don’t forget to mark draft angles, especially on textured vertical walls.
• Avoid texture overlap across split lines or moving inserts—unless designed for.

Consider including a texture specification sheet as part of your drawing package. Injection mold manufacturers​ such as Kemal will help you review and verify surface finish specifications before mold production begins, reducing risk and saving time during mold trials.

Conclusion

Whether your goal is better grip, premium appearance, or consistent surface quality, choosing the right texture is a technical decision—not just an aesthetic one.

If you’re unsure which texture fits your application, talk to your mold supplier early. A short discussion now can save weeks of iteration later.

Kemal specializes in custom mold manufacturing with full support for Mold-Tech® texture standards, ensuring your textures are not only beautiful but also manufacturable. Contact Kemal to discuss your mold manufacturing project.