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High Impact PMMA

High impact modified PMMA is produced by blending or graft copolymerizing elastomers (such as butadiene-based rubber, acrylic elastomers, or TPU) into the MMA matrix. Its core objective is to substantially improve impact resistance while maintaining PMMA's excellent transparency. Impact strength can be 3~10 times higher than unmodified PMMA, making it suitable for transparent structural components with safety requirements.

Technical Parameters

Parameter	Unit	Typical Value	Test Standard
Density	g/cm³	1.15~1.20	ISO 1183
Light Transmittance	%	88~92	ASTM D1003
Tensile Strength	MPa	45~60	ISO 527
Elongation at Break	%	20~50	ISO 527
Flexural Strength	MPa	70~95	ISO 178
Flexural Modulus	MPa	2500~3000	ISO 178
Izod Impact	kJ/m²	8~25	ISO 180
Charpy Impact	kJ/m²	15~35	ISO 179
HDT (1.8MPa)	℃	85~95	ISO 75
MFR (230℃/3.8kg)	g/10min	2~12	ISO 1133
Molding Shrinkage	%	0.3~0.7	ISO 294

Performance Characteristics

Izod impact strength up to 15~30 kJ/m² (vs. ~2 kJ/m² for unmodified)
Light transmittance slightly reduced, typically ≥88%; high-clarity formulations ≥90%
Significantly improved toughness, resistant to shattering upon impact
Blended with PC to balance transparency and impact resistance
Suitable for automotive and rail transit components with safety regulations

Application:

Automotive side windows, sunroofs, instrument panel covers
Rail transit windows, transparent partitions
Safety goggles, sports protective face shields
Children's toys, appliance transparent housings (drop-resistant)
Outdoor lighting fixture impact guards

keywords: High Impact PMMA

classification: Product

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Technical Parameters

Parameter	Unit	Typical Value	Test Standard
Density	g/cm³	1.15~1.20	ISO 1183
Light Transmittance	%	88~92	ASTM D1003
Tensile Strength	MPa	45~60	ISO 527
Elongation at Break	%	20~50	ISO 527
Flexural Strength	MPa	70~95	ISO 178
Flexural Modulus	MPa	2500~3000	ISO 178
Izod Impact	kJ/m²	8~25	ISO 180
Charpy Impact	kJ/m²	15~35	ISO 179
HDT (1.8MPa)	℃	85~95	ISO 75
MFR (230℃/3.8kg)	g/10min	2~12	ISO 1133
Molding Shrinkage	%	0.3~0.7	ISO 294

Performance Characteristics

Izod impact strength up to 15~30 kJ/m² (vs. ~2 kJ/m² for unmodified)
Light transmittance slightly reduced, typically ≥88%; high-clarity formulations ≥90%
Significantly improved toughness, resistant to shattering upon impact
Blended with PC to balance transparency and impact resistance
Suitable for automotive and rail transit components with safety regulations

Application: