Overmolding Service

Get custom plastic parts molded with two materials or metal inserts. Upload a part to get an online quote.

Start A New Overmolding Project

STEP | STP | SLDPRT | IPT | PRT | SAT files

Overmolding Design Guidelines

Our fundamental guidelines for overmolding and insert molding encompass key design considerations aimed at improving part manufacturability, enhancing aesthetic appeal, and reducing overall production time.

	US	Metric
Maximum Part Size	18.9 in. x 29.6 in. x 8 in.	480mm x 751.8,, x 203.2mm
Volume	59 cu. in.	966,837 cu. mm
Depth	4 in. form parting line	101mm from parting line
Depth	up to 8 in. if the parting line can pass through middle of part	Up to 203.2mm if the parting line can pass through middle of part
Projected Mold Area	175 sq in. (plastic)	112,903 sq. mm (plastic)
Projected Mold Area	48 sq. in. (silicone rubber)	30,958 sq. mm (silicone rubber)

Overmolding Finishing Options

SPI Finishes

Range of finishes from Grade 3 diamond / high polish to 320 stone low polish. Finishes include: SPI A-1 SPI A-2 SPI A-3 SPI B-1 SPI B-2 SPI B-3 SPI C-1 SPI C-2 SPI C-3 SPI D-1 SPI D-2 SPI D-3

As Molded

No secondary polishing or grinding. Part will show tooling marks.

Other Mold Texturing

HYmoldplastic can match other mold textures upon request.

Laser Engraving

Engraving text or a design with a laser.

Pad Printing

Applying an ink-based, 2D design to a 3D surface.

Painting

Applying primer, top coat, EMI (copper) paint, in both standard and Pantone colors.

Thermoplastic Materials

We have wide selection of more than 100 thermoplastic and thermoset materials.

Rigid Plastics

ABS
Polypropylene
Polycarbonate
Acrylic
Nylon
POM
PTFE
PBT/PBT-PC
PEEK
HDPE
PVC
PPS
PI
PAI
UPE/UHMW
PVDF
ULTEM (PEI)

Flexible Plastics

Rubber Plastics

Overmolding Applications

Overmolding is used to produce custom parts and assemblies for various industrial applications, used in different ways for home and business. including: